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Document And Entity Information - shares	6 Months Ended
Document And Entity Information - shares	Jul. 31, 2011	Aug. 12, 2011
Document And Entity Information
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jul. 31, 2011
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q2
Entity Registrant Name	SAIC, Inc.
Entity Central Index Key	0001336920
Current Fiscal Year End Date	--01-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		340,995,694
Trading Symbol	sai

Condensed Consolidated Statements Of Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010
Condensed Consolidated Statements Of Income
Revenues	$ 2,596	$ 2,749	$ 5,284	$ 5,376
Costs and expenses:
Cost of revenues	2,258	2,351	4,615	4,656
Selling, general and administrative expenses	129	126	230	242
Operating income	209	272	439	478
Non-operating income (expense):
Interest income		1	1	1
Interest expense	(28)	(19)	(56)	(37)
Other income (expense), net	1	(2)	5	(2)
Income from continuing operations before income taxes	182	252	389	440
Provision for income taxes	(70)	(95)	(147)	(159)
Income from continuing operations	112	157	242	281
Discontinued operations (Note 1):
Income from discontinued operations before income taxes	115	54	117	54
Provision for income taxes	(49)	(21)	(50)	(20)
Income from discontinued operations	66	33	67	34
Net income	$ 178	$ 190	$ 309	$ 315
Basic:
Income from continuing operations	$ 0.32	$ 0.42	$ 0.68	$ 0.73
Income from discontinued operations	0.19	0.08	0.19	0.09
Total basic earnings per share	0.51	0.50	0.87	0.82
Diluted:
Income from continuing operations	0.32	0.42	0.68	0.73
Income from discontinued operations	0.18	0.08	0.19	0.09
Total diluted earnings per share	$ 0.50	$ 0.50	$ 0.87	$ 0.82

Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Jul. 31, 2011	Jan. 31, 2011
ASSETS
Cash and cash equivalents	$ 1,336	$ 1,367
Receivables, net	2,124	2,069
Inventory, prepaid expenses and other current assets	307	382
Assets of discontinued operations		49
Total current assets	3,767	3,867
Property, plant and equipment (less accumulated depreciation and amortization of $421 million and $398 million at July 31, 2011 and January 31, 2011, respectively)	354	359
Intangible assets, net	196	211
Goodwill	1,674	1,664
Deferred income taxes	31	51
Other assets	91	71
Total assets	6,113	6,223
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable and accrued liabilities	1,222	1,205
Accrued payroll and employee benefits	453	511
Income taxes payable	20
Notes payable and long-term debt, current portion	553	3
Liabilities of discontinued operations		29
Total current liabilities	2,248	1,748
Notes payable and long-term debt, net of current portion	1,299	1,849
Other long-term liabilities	143	135
Commitments and contingencies (Notes 9 and 10)
Stockholders' equity:
Common stock, $.0001 par value, 2 billion shares authorized, 342 million and 362 million shares issued and outstanding at July 31, 2011 and January 31, 2011, respectively
Additional paid-in capital	1,989	2,090
Retained earnings	437	408
Accumulated other comprehensive loss	(3)	(7)
Total stockholders' equity	2,423	2,491
Total liabilities and stockholders' equity	$ 6,113	$ 6,223

Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Millions, $ in Millions	Jul. 31, 2011	Jan. 31, 2011
Condensed Consolidated Balance Sheets
Property, plant and equipment, accumulated depreciation and amortization	$ 421	$ 398
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	2,000	2,000
Common stock, shares issued	342	362
Common stock, shares outstanding	342	362

- Definition

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

+ References + Details

Condensed Consolidated Statements Of Stockholders' Equity And Comprehensive Income - 6 months ended Jul. 31, 2011 - USD ($) shares in Millions, $ in Millions	Shares Of Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings As Adjusted [Member]	Accumulated Other Comprehensive Loss As Adjusted [Member]	Comprehensive Income [Member]	Total
Balance, value at Jan. 31, 2011		$ 2,090	$ 408	$ (7)		$ 2,491
Balance, shares at Jan. 31, 2011	362
Net income			309		$ 309	309
Other comprehensive income, net of tax				4	4	4
Issuances of stock, value		31				31
Issuances of stock, shares	7
Repurchases of stock, value		(164)	(280)			(444)
Repurchases of stock, shares	(27)
Adjustments for income tax benefits from stock-based compensation		(12)				(12)
Stock-based compensation		44				44
Balance, value at Jul. 31, 2011		$ 1,989	$ 437	$ (3)	$ 313	$ 2,423
Balance, shares at Jul. 31, 2011	342

Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jul. 31, 2011	Jul. 31, 2010
Cash flows from continuing operations:
Net income	$ 309	$ 315
Income from discontinued operations	(67)	(34)
Adjustments to reconcile net income to net cash provided by continuing operations:
Depreciation and amortization	55	51
Stock-based compensation	43	50
Excess tax benefits from stock-based compensation		(13)
(Gain) loss on sale of assets	(28)	1
Other items	1	1
Increase (decrease) in cash and cash equivalents, excluding effects of acquisitions and divestitures, resulting from changes in:
Receivables	(48)	10
Inventory, prepaid expenses and other current assets	33	(16)
Deferred income taxes	1	(4)
Other assets	(18)	1
Accounts payable and accrued liabilities	2	(96)
Accrued payroll and employee benefits	(55)	(22)
Income taxes payable	(17)	2
Other long-term liabilities	(1)	(5)
Total cash flows provided by continuing operations	210	241
Cash flows from investing activities of continuing operations:
Expenditures for property, plant and equipment	(30)	(35)
Acquisitions of business, net of cash acquired of $1 million in fiscal 2011	(26)	(140)
Net payment for purchase price adjustments related to prior year acquisitions	(3)
Proceeds from sale of property, plant and equipment	78	1
Total cash flows provided by (used in) investing activities of continuing operations	19	(174)
Cash flows from financing activities of continuing operations:
Payments on notes payable and long-term debt	(2)	(1)
Sales of stock and exercises of stock options	14	22
Repurchases of stock	(417)	(445)
Excess tax benefits from stock-based compensation		13
Other items	(2)
Total cash flows used in financing activities of continuing operations	(407)	(411)
Decrease in cash and cash equivalents from continuing operations	(178)	(344)
Cash flows from discontinued operations:
Cash provided by (used in) operating activities of discontinued operations	(20)	8
Cash provided by investing activities of discontinued operations	166	81
Increase in cash and cash equivalents from discontinued operations	146	89
Effect of foreign currency exchange rate changes on cash and cash equivalents	1	(2)
Total decrease in cash and cash equivalents	(31)	(257)
Cash and cash equivalents at beginning of period	1,367	861
Cash and cash equivalents at end of period	$ 1,336	$ 604

Condensed Consolidated Statements Of Cash Flows (Parenthetical) $ in Millions	6 Months Ended
	Jul. 31, 2010 USD ($)
Condensed Consolidated Statements Of Cash Flows
Cash acquired from acquisition	$ 1

Summary Of Significant Accounting Policies

6 Months Ended

Jul. 31, 2011

Summary Of Significant Accounting Policies

Summary Of Significant Accounting Policies

Note 1—Summary of Significant Accounting Policies:

Nature of Operations and Basis of Presentation

SAIC, Inc. is a provider of scientific, engineering, systems integration and technical services and solutions in the areas of defense, health, energy, infrastructure, intelligence, surveillance, reconnaissance and cybersecurity to all agencies of the U.S. Department of Defense (DoD), the intelligence community, the U.S. Department of Homeland Security (DHS), and other U.S. Government civil agencies, state and local government agencies, foreign governments and customers in select commercial markets.

The condensed consolidated financial statements include the accounts of SAIC, Inc. and all majority-owned and 100%-owned subsidiaries (collectively referred to as the Company). All intercompany transactions and accounts have been eliminated in consolidation.

The accompanying financial information has been prepared by the Company pursuant to the rules and regulations of the U.S. Securities and Exchange Commission (SEC). Certain disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America (GAAP) have been condensed or omitted pursuant to such rules and regulations. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Company's Annual Report on Form 10-K for the fiscal year ended January 31, 2011. The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingencies at the date of the financial statements, as well as the reported amounts of revenues and expenses during the reporting periods. Estimates have been prepared by management on the basis of the most current and best available information at the time of estimation and actual results could differ from those estimates.

In the opinion of management, the financial information as of July 31, 2011, January 31, 2011 and for the three and six months ended July 31, 2011 and 2010 reflects all adjustments, which consist of normal recurring adjustments, necessary for a fair presentation thereof. Operating results for the three and six months ended July 31, 2011 are not necessarily indicative of the results that may be expected for the fiscal year ending January 31, 2012, or any future period.

Unless otherwise noted, references to years are for fiscal years ended January 31. For example, the fiscal year ending January 31, 2012 is referred to as "fiscal 2012" in these notes to condensed consolidated financial statements.

Pension Accounting Change

The Company sponsors a defined benefit pension plan in the United Kingdom for plan participants that primarily performed services on a specific customer contract, which expired. On June 10, 2011, the Company sold certain components of the business, including the component of the business that contained this pension and employed the pension plan participants. The Company has classified the operating results of this business component, including pension expense through the date of sale, as discontinued operations for all periods presented. Pursuant to the definitive sale agreement, the Company retained the assets and obligations of this defined benefit pension plan. As a result of retaining the pension obligation, the remaining components of ongoing pension expense, primarily interest costs and assumed return on plan assets are recorded in continuing operations for periods following the sale.

On February 1, 2011, the Company elected to change its method of recognizing pension expense. Immediately prior to the change, net actuarial gains or losses in excess of 10 percent of the greater of the market-related value of plan assets or the plans' projected benefit obligation (which is referred to as the corridor) were recognized over the average remaining life expectancy of the plan participants. Under the newly adopted accounting method, the Company recognizes all net actuarial gains or losses in excess of the corridor annually in the fourth quarter of each fiscal year and whenever the plan is remeasured. While the historical method of recognizing pension expense was acceptable, the Company believes that the new method is preferable as it eliminates the delay in recognizing actuarial gains and losses in excess of the corridor, resulting in a more timely reflection of the effects of economic and interest rate conditions on plan obligations, investments and assumptions.

This change in accounting was reported through retrospective application of the new method to all periods presented, which have been designated "as adjusted". The effect of the change from inception of the plan to January 31, 2010 resulted in a $26 million decrease in both retained earnings and net unrecognized actuarial loss on the defined benefit plan, net of tax (a component of accumulated other comprehensive loss). The effect of the change on the previously reported balances as of January 31, 2011 was a $25 million decrease in both retained earnings and net unrecognized actuarial loss on the defined benefit plan, net of tax (a component of accumulated other comprehensive loss). The accounting change did not have a material impact on the condensed consolidated statements of income for the three and six months ended July 31, 2011 and 2010.

Discontinued Operations

On June 10, 2011, in order to better align its business portfolio with its strategy, the Company sold certain components of the business, which were historically included in the Company's Commercial segment, primarily focused on providing information technology (IT) services to international oil and gas companies. As described above under "Pension Accounting Change", the Company has classified the operating results of these business components, including pension expense through the date of sale, as discontinued operations for all periods presented.

The pre-sale operating results of the business sold for the periods presented were as follows:


	Six Months Ended July 31
	2011		2010 as adjusted
	(in millions)
Revenues	$	69	$	103
Costs and expenses:
Cost of revenues		54		84
Selling, general and administrative expenses		8		17
Operating income	$	7	$	2

During the three and six months ended July 31, 2011, the Company received proceeds of $169 million resulting in a preliminary gain on sale before income taxes of $109 million related to this sale, subject to contractual adjustments. During the three and six months ended July 31, 2010, the Company recorded a pre-tax gain of $52 million related to the settlement of an arbitration proceeding brought against Telkom South Africa by the Company's former subsidiary, Telcordia Technologies, Inc. Income from discontinued operations also includes other activity that is immaterial and not reflected above

Supplementary Cash Flow Information

Supplementary cash flow information, including non-cash investing and financing activities, for the periods presented was as follows:


	Six Months Ended July 31
	2011			2010
	(in millions)
Stock exchanged upon exercise of stock options	$	14		$	30
Vested stock issued as settlement of annual bonus accruals	$	3		$	4
Increase (decrease) in accrued stock repurchases	$	13		$	(24	)
Fair value of assets acquired in acquisitions	$	29		$	167
Less: cash paid in acquisitions, net of cash acquired of $1 million in fiscal 2011		(26	)		(140	)
Liabilities assumed in acquisitions	$	3		$	27
Cash paid for interest	$	52		$	35
Cash paid for income taxes	$	121		$	157

Accounting Standards Updates Adopted

In the descriptions of accounting standards updates that follow, references to descriptive titles in "italics" relate to the Financial Accounting Standards Board (FASB) Accounting Standards Codification Topics and Subtopics, and their descriptive titles, as appropriate.

In October 2009, the FASB issued an update to "Revenue Recognition—Multiple-Deliverable Revenue Arrangements." This update removed the objective-and-reliable-evidence-of-fair-value criterion from the separation criteria used to determine whether an arrangement involving multiple deliverables contains more than one unit of accounting, replaced references to "fair value" with "selling price" to distinguish from the fair value measurements required under the "Fair Value Measurements and Disclosures" guidance, provided a hierarchy that entities must use to estimate the selling price, eliminated the use of the residual method for allocation, and expanded the ongoing disclosure requirements. This update was effective for the Company beginning February 1, 2011 and was applied prospectively. The adoption of this accounting standard update did not have a material impact on the Company's consolidated financial position and results of operations.

In October 2009, the FASB issued an update to "Software—Multiple-Deliverable Revenue Arrangements." This update amended the existing accounting model for revenue arrangements that include both tangible products and software elements. Tangible products containing software components and nonsoftware components that function together to deliver the tangible product's essential functionality are excluded from the scope of software revenue guidance. In addition, this update provided guidance on how a vendor should allocate consideration to deliverables in an arrangement that includes both tangible products and software and enhanced the disclosure requirements related to these arrangements. This update was effective for arrangements entered into or materially modified by the Company after January 31, 2011 and was applied prospectively. The adoption of this accounting standard update did not have a material impact on the Company's consolidated financial position and results of operations.

Accounting Standards Updates Issued But Not Yet Adopted

Other accounting standards and updates issued but not effective for the Company until after July 31, 2011, are not expected to have a material effect on the Company's consolidated financial position or results of operations.

Earnings Per Share (EPS)

6 Months Ended

Jul. 31, 2011

Earnings Per Share (EPS)

Earnings Per Share (EPS)

Note 2—Earnings Per Share (EPS):

In calculating EPS using the two-class method, the Company is required to allocate a portion of its earnings to its unvested stock awards containing nonforfeitable rights to dividends or dividend equivalents (participating securities). Basic EPS is computed by dividing income less earnings allocable to participating securities by the basic weighted average number of shares outstanding. Diluted EPS is computed similar to basic EPS, except the weighted average number of shares outstanding is increased to include the dilutive effect of outstanding stock options and other stock-based awards.

A reconciliation of the income used to compute basic and diluted EPS for the periods presented was as follows:


	Three Months Ended July 31						Six Months Ended July 31
	2011			2010 as adjusted			2011			2010 as adjusted
	(in millions)
Basic EPS:
Income from continuing operations, as reported	$	112		$	157		$	242		$	281
Less: allocation of undistributed earnings to participating securities		(4	)		(5	)		(9	)		(10	)
Income from continuing operations, for computing basic EPS	$	108		$	152		$	233		$	271
Net income, as reported	$	178		$	190		$	309		$	315
Less: allocation of undistributed earnings to participating securities		(7	)		(7	)		(11	)		(11	)
Net income, for computing basic EPS	$	171		$	183		$	298		$	304
Diluted EPS:
Income from continuing operations, as reported	$	112		$	157		$	242		$	281
Less: allocation of undistributed earnings to participating securities		(4	)		(5	)		(9	)		(10	)
Income from continuing operations, for computing diluted EPS	$	108		$	152		$	233		$	271
Net income, as reported	$	178		$	190		$	309		$	315
Less: allocation of undistributed earnings to participating securities		(7	)		(7	)		(11	)		(11	)
Net income, for computing diluted EPS	$	171		$	183		$	298		$	304

A reconciliation of the weighted average number of shares outstanding used to compute basic and diluted EPS for the periods presented was as follows:


	Three Months Ended July 31				Six Months Ended July 31
	2011		2010		2011		2010
	(in millions)
Basic weighted average number of shares outstanding		338		363		342		369
Dilutive common share equivalents—stock options and other stock awards		1		2		1		2
Diluted weighted average number of shares outstanding		339		365		343		371

Basic and diluted EPS for the periods presented was as follows:


	Three Months Ended July 31				Six Months Ended July 31
	2011		2010 as adjusted		2011		2010 as adjusted
Basic:
Income from continuing operations	$	.32	$	.42	$	.68	$	.73
Income from discontinued operations		.19		.08		.19		.09
	$	.51	$	.50	$	.87	$	.82
Diluted:
Income from continuing operations	$	.32	$	.42	$	.68	$	.73
Income from discontinued operations		.18		.08		.19		.09
	$	.50	$	.50	$	.87	$	.82

The following stock-based awards were excluded from the weighted average number of shares outstanding used to compute basic and diluted EPS for the periods presented:


	Three Months Ended July 31				Six Months Ended July 31
	2011		2010		2011		2010
	(in millions)
Antidilutive stock options excluded		22		20		22		20
Performance-based stock awards excluded		1		1		1		1

Stock-Based Compensation

6 Months Ended

Jul. 31, 2011

Stock-Based Compensation

Stock-Based Compensation

Note 3—Stock-Based Compensation:

Total Stock-Based Compensation. Total stock-based compensation expense for the periods presented was as follows:


	Three Months Ended July 31					Six Months Ended July 31
	2011			2010		2011			2010
	(in millions)
Stock options	$	5		$	5	$	10		$	11
Vesting stock awards		17			20		35			36
Performance-based stock awards		(3	)		2		(2	)		3
Total stock-based compensation expense	$	19		$	27	$	43		$	50

Stock Options. Stock options granted during the six months ended July 31, 2011 and 2010 have terms of seven years and five years, respectively, and a vesting period of four years, except for stock options granted to the Company's outside directors, which have a vesting period of one year.

The fair value of the Company's stock option awards is estimated on the date of grant using the Black-Scholes option-pricing model. The weighted average grant-date fair value and assumptions used to determine the fair value of stock options granted for the periods presented were as follows:


	Six Months Ended July 31
	2011			2010
Weighted average grant-date fair value	$	4.21		$	3.96
Expected term (in years)		4.9			3.8
Expected volatility		23.4	%		25.1	%
Risk-free interest rate		2.2	%		2.1	%
Dividend yield		0	%		0	%

Stock option activity for the six months ended July 31, 2011 was as follows:


	Shares of stock under stock options			Weighted average exercise price		Weighted average remaining contractual term		Aggregate intrinsic value
	(in millions)					(in years)		(in millions)
Outstanding at January 31, 2011		25.0		$	17.31		2.1	$	11
Options granted		3.9			16.92
Options forfeited or expired		(2.0	)		15.94
Options exercised		(4.4	)		14.69				8
Outstanding at July 31, 2011		22.5			17.88		2.6		—
Exercisable at July 31, 2011		10.3			18.09		1.6		—

Vesting Stock Awards. Vesting stock award activity for the six months ended July 31, 2011 was as follows:


	Shares of stock under stock awards			Weighted average grant- date fair value
	(in millions)
Unvested stock awards at January 31, 2011		11.7		$	18.03
Awards granted		5.6			16.91
Awards forfeited		(0.7	)		17.81
Awards vested		(3.6	)		17.93
Unvested stock awards at July 31, 2011		13.0			17.58

The fair value of vesting stock awards that vested during the six months ended July 31, 2011 and 2010 was $61 million and $53 million, respectively.

Performance-Based Stock Awards. Performance-based stock award activity for the six months ended July 31, 2011 was as follows:


	Expected number of shares of stock to be issued under performance- based stock awards			Weighted average grant- date fair value
	(in millions)
Outstanding at January 31, 2011		1.0		$	17.89
Awards granted		0.5			16.92
Adjustments to expected number of shares of stock to be issued		(0.3	)		18.33
Outstanding at July 31, 2011		1.2			17.32

Adjustments to the expected number of shares of stock to be issued are due to changes in the expected level of achievement of the performance goals over the life of the awards. As of July 31, 2011, there have been no vesting events for performance-based stock awards.

- Definition

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph 64, 65, A240
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 93-6
-Paragraph 53
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 14

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 50
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5444-113901

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 40
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929

+ Details

Acquisitions

6 Months Ended

Jul. 31, 2011

Acquisitions

Acquisitions

Note 4—Acquisitions:

Patrick Energy Services, Inc. On May 13, 2011, the Company acquired all of the outstanding equity interests of Patrick Energy Services, Inc., a provider of performance-based transmission and distribution power system solutions, for a preliminary purchase price of $25 million paid in cash, subject to contractual adjustments. This acquisition enhances the Company's energy and smart grid services portfolio by adding additional transmission and distribution engineering services to its existing capabilities. The preliminary purchase price allocation resulted in goodwill of $14 million (all of which is tax deductible) and identifiable finite-lived intangible assets of $7 million (amortizable over a weighted average life of seven years). The Company has not yet obtained all of the information required to complete the purchase price allocation related to this acquisition. The final purchase price allocation will be completed after the information identified by the Company has been received.

Vitalize Consulting Solutions, Inc. Subsequent to July 31, 2011, the Company acquired all of the outstanding equity interests of Vitalize Consulting Solutions, Inc., a provider of clinical, business and information technology services for healthcare enterprises for a preliminary purchase price of $190 million paid in cash, subject to contractual adjustments. This acquisition expands the Company's capabilities in both federal and commercial markets to help customers better address electronic health record implementation and optimization demand.

These acquisitions, which individually and in the aggregate were not material business combinations, were both in the Health, Energy and Civil Solutions segment.

- Definition

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 88-16
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 51, 52
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Appendix F
-Paragraph F4
-Subparagraph e

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 67-73
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6911361&loc=d3e6927-128479

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+ Details

Goodwill And Intangible Assets

6 Months Ended

Jul. 31, 2011

Goodwill And Intangible Assets

Goodwill And Intangible Assets

Note 5—Goodwill and Intangible Assets:

Effective February 1, 2011, the Company redefined its Government and Commercial reportable segments into the following: Defense Solutions (DS); Health, Energy and Civil Solutions (HECS); and Intelligence and Cybersecurity Solutions (ICS) (see Note 8). The carrying value of goodwill by segment at January 31, 2011 has been recast to give effect to the change in reportable segments and for discontinued operations ($14 million).

The changes in the carrying value of goodwill by segment for the six months ended July 31, 2011 were as follows:


	DS		HECS		ICS			Total
	(in millions)
Goodwill at January 31, 2011	$	405	$	634	$	625		$	1,664
Acquisitions		—		14		—			14
Adjustments		—		1		(5	)		(4	)
Goodwill at July 31, 2011	$	405	$	649	$	620		$	1,674

Goodwill adjustments for the six months ended July 31, 2011 resulted from the finalization of purchase price allocations related to prior year acquisitions.

Intangible assets, including those arising from preliminary estimates of assets acquired relating to acquisitions, for the periods presented consisted of the following:


	July 31, 2011						January 31, 2011
	Gross carrying value		Accumulated amortization		Net carrying value		Gross carrying value		Accumulated amortization		Net carrying value
	(in millions)
Finite-lived intangible assets:
Customer relationships	$	127	$	76	$	51	$	121	$	65	$	56
Software and technology		169		48		121		157		37		120
Other		2		1		1		2		1		1
Total finite-lived intangible assets		298		125		173		280		103		177
Indefinite-lived intangible assets:
In-process research and development		19		—		19		30		—		30
Trade names		4		—		4		4		—		4
Total indefinite-lived intangible assets		23		—		23		34		—		34
Total intangible assets	$	321	$	125	$	196	$	314	$	103	$	211

Amortization expense related to finite-lived intangible assets was $11 million and $22 million for the three and six months ended July 31, 2011, respectively, and $8 million and $17 million for the three and six months ended July 31, 2010, respectively.

There were no goodwill or intangible asset impairment losses during the three and six months ended July 31, 2011 and 2010.

The estimated annual amortization expense related to finite-lived intangible assets as of July 31, 2011 was as follows:


Fiscal Year Ending January 31
	(in millions)
2012 (remainder of the fiscal year)	$	20
2013		36
2014		32
2015		23
2016		19
2017		14
2018 and thereafter		29
	$	173

Actual amortization expense in future periods could differ from these estimates as a result of future acquisitions, divestitures, impairments, the outcome and timing of completion of in-process research and development projects (the assets of which will become amortizable upon completion and placement into service, or will be impaired if abandoned), adjustments to preliminary valuations of intangible assets and other factors.

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

+ References + Details

Financial Instruments

6 Months Ended

Jul. 31, 2011

Financial Instruments

Financial Instruments

Note 6—Financial Instruments:

The Company's cash equivalents were primarily comprised of investments in several large institutional money market funds that invest primarily in bills, notes and bonds issued by the U.S. Treasury, U.S. Government guaranteed repurchase agreements fully collateralized by U.S. Treasury obligations, U.S. Government guaranteed securities and investment-grade corporate securities that have original maturities of three months or less. There are no restrictions on the withdrawal of the Company's cash and cash equivalents. The Company's cash equivalents are recorded at historical cost which equals fair value based on quoted market prices (Level 1 input as defined by the accounting standard for fair value measurements).

The Company utilizes foreign currency forward contracts to manage foreign currency exchange rate risk related to receipts from customers, payments to suppliers and certain intercompany transactions denominated in currencies other than the Company's (or one of its subsidiaries') functional currency. As of July 31, 2011, outstanding foreign currency forward contracts had an immaterial aggregate notional amount and an immaterial fair value, which is estimated using an income approach based on the present value of the forward rate less the contract rate multiplied by the notional amount (Level 2 input). Since the foreign currency forward contracts do not qualify as cash flow hedges in accordance with the accounting standard for derivative and hedging instruments, gains and losses are recognized in earnings immediately. During the three and six months ended July 31, 2011 and 2010, the Company recognized net gains from foreign currency forward contracts (included in other income (expense), net) of less than $1 million. The Company does not use derivatives for trading or speculative purposes.

During the first quarter of fiscal 2012, the Company amended and restated its revolving credit facility. The amended and restated revolving credit facility provides for $750 million in unsecured borrowing capacity at interest rates determined, at the Company's option, based on either LIBOR plus a margin or a defined base rate through fiscal 2016. As of July 31, 2011 and January 31, 2011, there were no borrowings outstanding under the revolving credit facility.

The revolving credit facility contains certain customary representations and warranties, as well as certain affirmative and negative covenants. The financial covenants contained in the revolving credit facility require that, for a period of four trailing fiscal quarters, the Company maintains a ratio of consolidated funded debt to earnings before interest, taxes, depreciation and amortization (EBITDA) adjusted for other items as defined in the credit facility of not more than 3.0 to 1.0 and a ratio of EBITDA adjusted for other items as defined in the credit facility to interest expense of greater than 3.5 to 1.0. The Company was in compliance with these financial covenants as of July 31, 2011.

Other covenants restrict certain of the Company's activities, including among other things, its ability to create liens, dispose of certain assets and merge or consolidate with other entities. The revolving credit facility also contains certain customary events of default, including, among others, defaults based on certain bankruptcy and insolvency events, nonpayment, cross-defaults to other debt, breach of specified covenants, Employee Retirement Income Security Act (ERISA) events, material monetary judgments, change of control events and the material inaccuracy of the Company's representations and warranties.

The Company's notes payable and long-term debt consisted of the following:


	Stated interest rate			Effective interest rate			July 31, 2011		January 31, 2011
	($ in millions)
Senior unsecured notes:
$550 million notes issued in fiscal 2003, which mature in July 2012		6.25	%		6.50	%	$	550	$	550
$450 million notes issued in fiscal 2011, which mature in December 2020		4.45	%		4.59	%		448		448
$250 million notes issued in fiscal 2003, which mature in July 2032		7.13	%		7.43	%		248		248
$300 million notes issued in fiscal 2004, which mature in July 2033		5.50	%		5.78	%		296		296
$300 million notes issued in fiscal 2011, which mature in December 2040		5.95	%		6.03	%		300		300
Capital leases and other notes payable due on various dates through fiscal 2017		0-3.1	%		Various			10		10
Total								1,852		1,852
Less: current portion								553		3
Notes payable and long-term debt, net of current portion							$	1,299	$	1,849
Fair value of notes payable and long-term debt							$	2,010	$	1,930

The fair value of long-term debt is determined based on interest rates available for debt with terms and maturities similar to the Company's existing debt arrangements (Level 2 input as defined by the accounting standard for fair value measurements).

The senior unsecured notes contain customary restrictive covenants, including, among other things, restrictions on the Company's ability to create liens and enter into sale and leaseback transactions. The Company was in compliance with all covenants as of July 31, 2011.

- Definition

The entire disclosure for the entity's entire derivative instruments and hedging activities. Describes an entity's risk management strategies, derivatives in hedging activities and non-hedging derivative instruments, the assets, obligations, liabilities, revenues and expenses arising therefrom, and the amounts of and methodologies and assumptions used in determining the amounts of such items.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 133
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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+ Details

Comprehensive Income And Accumulated Other Comprehensive Loss

6 Months Ended

Jul. 31, 2011

Comprehensive Income And Accumulated Other Comprehensive Loss

Comprehensive Income And Accumulated Other Comprehensive Loss

Note 7—Comprehensive Income and Accumulated Other Comprehensive Loss:

The components of comprehensive income for the periods presented were as follows:


	Three Months Ended July 31						Six Months Ended July 31
	2011			2010 as adjusted			2011			2010 as adjusted
	(in millions)
Net income	$	178		$	190		$	309		$	315
Other comprehensive income (loss):
Foreign currency translation adjustments		6			1			7			(1	)
Deferred taxes		(2	)		(2	)		(3	)		(1	)
Foreign currency translation adjustments, net of tax		4			(1	)		4			(2	)
Reclassification of realized loss on settled derivative instruments to net income		—			1			—			1
Deferred taxes		—			—			—			—
Reclassification of realized loss on settled derivative instruments to net income, net of tax		—			1			—			1
Pension liability adjustment		—			(1	)		—			7
Deferred taxes		—			—			—			(2	)
Pension liability adjustment, net of tax		—			(1	)		—			5
Total other comprehensive income (loss), net of tax		4			(1	)		4			4
Comprehensive income	$	182		$	189		$	313		$	319

The components of accumulated other comprehensive loss were as follows:


	July 31, 2011			January 31, 2011 as adjusted
	(in millions)
Foreign currency translation adjustments, net of taxes of $(1) million and $2 million as of July 31, 2011 and January 31, 2011, respectively	$	2		$	(2	)
Unrecognized net loss on settled derivative instruments associated with outstanding debt, net of taxes of $4 million as of July 31, 2011 and January 31, 2011		(5	)		(5	)
Total accumulated other comprehensive loss, net of taxes of $3 million and $6 million as of July 31, 2011 and January 31, 2011, respectively	$	(3	)	$	(7	)

As of July 31, 2011, $1 million of the unrealized net loss on settled derivative instruments (pre-tax) will be amortized and recognized as interest expense during the next 12 months.

- Definition

The entire disclosure for shareholders' equity, comprised of portions attributable to the parent entity and noncontrolling interest, if any, including other comprehensive income (as applicable). Including, but not limited to: (1) balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings; (2) accumulated balance for each classification of other comprehensive income and total amount of comprehensive income; (3) amount and nature of changes in separate accounts, including the number of shares authorized and outstanding, number of shares issued upon exercise and conversion, and for other comprehensive income, the adjustments for reclassifications to net income; (4) rights and privileges of each class of stock authorized; (5) basis of treasury stock, if other than cost, and amounts paid and accounting treatment for treasury stock purchased significantly in excess of market; (6) dividends paid or payable per share and in the aggregate for each class of stock for each period presented; (7) dividend restrictions and accumulated preferred dividends in arrears (in aggregate and per share amount); (8) retained earnings appropriations or restrictions, such as dividend restrictions; (9) impact of change in accounting principle, initial adoption of new accounting principle and correction of an error in previously issued financial statements; (10) shares held in trust for Employee Stock Ownership Plan (ESOP); (11) deferred compensation related to issuance of capital stock; (12) note received for issuance of stock; (13) unamortized discount on shares; (14) description, terms, and number of warrants or rights outstanding; (15) shares under subscription and subscription receivables, effective date of new retained earnings after quasi-reorganization and deficit eliminated by quasi-reorganization and, for a period of at least ten years after the effective date, the point in time from which the new retained dates; and (16) retroactive effective of subsequent change in capital structure.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 10
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 4
-Section 08
-Paragraph d

Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Research Bulletin (ARB)
-Number 43
-Chapter 1
-Section B
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-Name Statement of Financial Accounting Standard (FAS)
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Article 4

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+ Details

Business Segment Information

6 Months Ended

Jul. 31, 2011

Business Segment Information

Business Segment Information

Note 8—Business Segment Information:

The Company defines its reportable segments based on the way the chief operating decision maker (CODM), currently its chief executive officer, manages the operations of the Company for purposes of allocating resources and assessing performance.

Prior to February 1, 2011, the CODM managed the Company's operations at the business unit level, each of which reported to one of several operating groups. The Company's business units were aggregated into reportable segments, Government and Commercial, based on the nature of the customers served, contractual requirements and the regulatory environment governing the business unit's operations. The Company also had a Corporate and Other segment.

Effective February 1, 2011, the Company further aligned its operations within the maturing group structure that is better organized around the markets served and the nature of products and services provided to customers in those markets. Coincident with the completion of this organizational alignment, the CODM commenced management of the Company's operations at the group level for purposes of allocating resources and assessing performance. As a result of this change, the Company redefined its reportable segments into the following: Defense Solutions; Health, Energy and Civil Solutions; Intelligence and Cybersecurity Solutions; and Corporate and Other. The Intelligence and Cybersecurity Solutions reportable segment represents the aggregation of the Intelligence, Surveillance, and Reconnaissance group and Cyber and Information Solutions business unit, which reports directly to the CODM, because they share similar economic characteristics, and similarities in the nature of products and services provided, methods of service delivery, customers served and the regulatory environment in which they operate.

Defense Solutions provides systems engineering and specialized technical services and solutions in support of command and control, communications, modeling and simulation, logistics, readiness and sustainment and network operations to a broad customer base. Defense Solutions helps design and implement advanced, networked command and control systems to enable U.S. and allied defense customers to plan, direct, coordinate and control forces and operations at strategic, operational and tactical levels. Defense Solutions also provides a wide range of logistics and product support solutions, including supply chain management, demand forecasting, distribution, maintenance and training services, to enhance the readiness and operational capability of U.S. military personnel and their weapons and support systems. Major customers of Defense Solutions include most branches of the U.S. military.

Health, Energy and Civil Solutions provides services and solutions in the areas of critical infrastructure, homeland security, safety and mission assurance, training, environmental assessments and restoration, engineering design, construction and sophisticated IT services across a broad customer base. These services and solutions range from design and construction services, energy renewables and energy distribution/smart-grid, to healthcare IT and engineering, health infrastructure, biomedical support and research. Health, Energy and Civil Solutions also provides integrated security solutions and training expertise in the detection of chemical, biological, radiological, nuclear and explosive threats and designs and develops products and applied technologies that aid anti-terrorism and homeland security efforts, including border, port and security inspection systems and checked baggage explosive detection systems. Major customers of Health, Energy and Civil Solutions primarily include U.S. federal government, foreign government, state and local governmental agencies and commercial enterprises in various industries.

Intelligence and Cybersecurity Solutions provides systems and services focused on intelligence, surveillance, reconnaissance and cybersecurity across a broad spectrum of national security programs. Intelligence and Cybersecurity Solutions provides quick reaction, manned and unmanned airborne, maritime, space and ground-based surveillance systems which leverage an understanding of the underlying physics and operating in space, weight and power-constrained environments. Intelligence and Cybersecurity Solutions also provides intelligence processing, exploitation, and dissemination solutions, including systems designed to optimize decision-making in high rate, large volume, and complex data environments. Intelligence and Cybersecurity Solutions provides cybersecurity technology solutions, analytics and forensics, and products that protect data, applications, and modern information technology infrastructures from advanced and persistent threats as well as mission support in the geospatial, intelligence analysis, technical operations, and linguistics domains. Major customers of Intelligence and Cybersecurity Solutions include the national and military intelligence agencies, and other federal, civilian and commercial customers in the national security complex.

Corporate and Other includes the operations of our internal real estate management subsidiary, various corporate activities, certain corporate expense items that are not reimbursed by the Company's U.S. Government customers and certain revenue and expense items excluded from the CODM's evaluation of a reportable segment's performance. The Corporate and Other segment does not contract with third-parties for the purpose of generating customer revenues.

The interim business segment information for the periods presented, with the prior year period recast to give effect to the change in reportable segments and for discontinued operations was as follows:


	Three Months Ended July 31						Six Months Ended July 31
	2011			2010			2011			2010
	(in millions)
Revenues:
Defense Solutions	$	1,085		$	1,159		$	2,222		$	2,269
Health, Energy and Civil Solutions		667			683			1,336			1,377
Intelligence and Cybersecurity Solutions		843			852			1,727			1,677
Corporate and Other		1			56			1			56
Intersegment elimination		—			(1	)		(2	)		(3	)
Total revenues	$	2,596		$	2,749		$	5,284		$	5,376
Operating income (loss):
Defense Solutions	$	88		$	93		$	178		$	177
Health, Energy and Civil Solutions		61			62			117			127
Intelligence and Cybersecurity Solutions		75			69			159			131
Corporate and Other		(15	)		48			(15	)		43
Total operating income	$	209		$	272		$	439		$	478

Asset information by segment is not a key measure of performance used by the CODM. Interest income, interest expense and provision for income taxes, as reported in the condensed consolidated financial statements, are not part of operating income and are primarily recorded at the corporate level.

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

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+ Details

Legal Proceedings	6 Months Ended
Legal Proceedings	Jul. 31, 2011
Legal Proceedings
Legal Proceedings	Note 9—Legal Proceedings: *Timekeeping Contract with City of New York* Since 2000, the Company has performed under a systems development and implementation contract relating to an automated time and attendance and workforce management system (CityTime) for certain agencies of the City of New York (City). The Company has billed approximately $635 million under the contract, which was completed on June 30, 2011. The Company has recorded receivables of approximately $40 million as of July 31, 2011, reflecting the amount owed by the City to the Company under the terms of the contract. The U.S. Attorney's Office for the Southern District of New York is conducting a criminal investigation relating to the CityTime program. In December 2010, the U.S. Attorney's Office filed a criminal complaint against six individuals who were employees of the quality assurance vendor that was under a direct contract with the New York City Office of Payroll Administration, or were principals of staffing firms that provided staff to the CityTime program as second-tier subcontractors to the Company, or were otherwise relatives of those individuals. On February 10, 2011, a federal grand jury indicted four of the individuals and added another individual defendant. On May 27, 2011, a criminal complaint was filed against a former Company employee who was the program manager on the CityTime contract. The complaint alleged that this former program manager conspired to defraud the City into extending the duration of and overpaying for the CityTime project in order to generate kickbacks for himself. It also alleged that he defrauded the Company by depriving it of his honest services, and charged him with money laundering to conceal proceeds of the fraudulent schemes. On June 15, 2011, a federal grand jury in the Southern District of New York filed an indictment that superseded the February 2011 indictment naming the original defendants and charging the former Company program manager with violating various federal statutes relating to the alleged kickback scheme, including charges of conspiracy, wire fraud against the City of New York, honest services fraud against the Company and obstruction of justice. The indictment alleged that the former Company program manager received kickbacks totaling at least $9 million from the primary subcontractor, Technodyne LLC, and other second-tier subcontractors. Technodyne and its principals were also charged in the June 2011 indictment. Another former Company employee, a chief systems engineer, pleaded guilty in June 2011 to multiple criminal charges related to the same fraudulent scheme and admitted to taking at least $5 million in kickbacks from the primary subcontractor, Technodyne. The fraudulent scheme described in the June 2011 indictment alleges that individuals from the Company (the former program manager and the former chief systems engineer), Technodyne, the second-tier subcontractors and others collaborated to defraud the City by overbilling and inflating the price paid by the City under the contract, all to illegally enrich themselves. In addition, although the Company is not charged in the June 2011 indictment, the indictment also alleges that the Company paid to Technodyne hundreds of millions of dollars under the contract after receiving a whistleblower complaint raising suspicions of kickbacks from Technodyne to the former program manager. The Company is continuing to cooperate with the U.S. Attorney's investigation but cannot predict its outcome. Statements have been issued from the City's Office of the Mayor and Office of the Comptroller indicating that the City's Department of Investigation would conduct a more extensive investigation regarding the CityTime contract, and that the City would withhold payment of amounts owing to the Company until the investigation was complete. In addition, these statements have also indicated that the City intends to pursue the recovery of costs associated with the CityTime program that the City's investigation reveals were improperly charged to the City. On June 29, 2011, the Company received a letter from New York City Mayor Michael Bloomberg, which requests that the Company reimburse the City for approximately $600 million paid by the City to the Company for CityTime and the cost of investigating and remediating the CityTime program. The Company has informed the Mayor that it intends to work with the City towards a mutually acceptable resolution of the matter at the appropriate time. The Company believes that a loss related to the outcome of the CityTime investigations is probable. However, the Company is not able to reasonably estimate the amount of potential loss or a range of potential loss. Accordingly, as of July 31, 2011, the Company has not recorded an impairment loss related to the $40 million receivable from the City or recorded a liability relating to this matter. However, an adverse outcome of any of these investigations may result in non-payment of the accounts receivable owed by the City to the Company, reimbursement of other amounts previously received by the Company under the contract, additional damages and penalties, and criminal fines, restitution and other remedies, including suspension or debarment from government contracting, any of which could have a material adverse effect on the Company's consolidated financial position, results of operations and cash flows. *National Center for Critical Information Processing and Storage Contract* In June 2009, the U.S. Department of Justice (DOJ) filed a complaint against the Company and several other defendants in the U.S. District Court for the Southern District of Mississippi relating to the solicitation and award of a task order to provide information technology support services to the National Center for Critical Information Processing and Storage run by the Naval Oceanographic Command Major Shared Resource Center (MSRC) located at the Stennis Space Center in Mississippi. This matter originated with a lawsuit filed under seal by a former government employee pursuant to the qui tam provisions of the civil False Claims Act. The Company was awarded the task order at issue in April 2004. The DOJ's complaint alleges that prior to the release of the task order solicitation, the Company's employees and other eventual teammates met with government employees and obtained non-public information not provided to other potential bidders for this work, or received such information in advance of other bidders, giving the Company and its team an unfair advantage in competing for the task order. The complaint further alleges that the former MSRC director and deputy director took actions calculated to favor the Company in the bidding process. In its complaint, the government seeks approximately $116 million in damages, which represents the aggregate amount of all payments received by the Company under this task order, plus the trebling of such damages and penalties under the False Claims Act. The Company and DOJ have negotiated a proposed settlement of this matter for approximately $25 million, subject to final approval within the DOJ. The Company has recorded a liability for approximately $25 million related to this matter as of July 31, 2011. The DOJ has informed the Company it expects to obtain final approval of the proposed settlement during September 2011. In light of the proposed settlement, the court has suspended further proceedings in this case. If DOJ were to withhold final approval of the proposed settlement, or the parties otherwise failed to conclude the proposed settlement, it is expected that the court would resume the proceedings and set a new date for trial, in which event the Company would vigorously defend itself on the merits. Although the Company expects this matter to be resolved in accordance with the proposed settlement, if the matter were to proceed to trial an adverse outcome could have a material adverse effect on the Company's consolidated financial position, results of operations and cash flows. *Greek Government Contract* Background and Arbitration. In May 2003, the Company entered into a firm-fixed-price contract with the Hellenic Republic of Greece (the Customer) to provide a Command, Control, Communications, Coordination and Integration System (the System) to support the 2004 Athens Summer Olympic Games (the Olympics) and to serve as the security system for the Customer's public order departments following completion of the Olympics. In November 2008, the Customer accepted the System in writing pursuant to the requirements of the modified contract. At the time, the Customer determined that the System substantially complied with the terms of the contract and accepted the System with certain alleged minor omissions and deviations. Upon System acceptance, the Company invoiced the Customer for approximately $20 million, representing the undisputed portion of the contract balance owed to the Company. The Customer has not paid this final invoice. In June 2009, the Company initiated arbitration before the International Chamber of Commerce against the Customer seeking damages for breaches of contract by the Customer. The Company seeks (i) aggregate damages in excess of $101 million for payment of amounts owed and other claims and damages, (ii) recovery of advance payment and performance bond amounts totaling $27 million and (iii) costs and expenses associated with the arbitration. The Customer filed an answer to the complaint denying liability on various grounds and a supplementary answer asserting set-off claims against amounts sought by the Company. The final arbitration hearing is scheduled to commence in May 2012. Due to the complex nature of the legal and factual issues involved, the outcome of the arbitration is uncertain. Financial Status and Contingencies. As a result of the significant uncertainties on this contract, the Company converted to the completed-contract method of accounting and ceased recognizing revenues for the System development portion of this contract in fiscal 2006. No profits or losses were recorded on the Greek contract during the three and six months ended July 31, 2011 and 2010. As of July 31, 2011, the Company has recorded $123 million of losses under the Greek contract, reflecting the Company's estimated total cost to complete the System, assuming the Greek contract value was limited to the cash received to date. Based on the complex nature of this contractual situation and the difficulties encountered to date, significant uncertainties exist and the Company is unable to reliably estimate the ultimate outcome. However, the Company believes that the loss recorded to date is sufficient to account for the ultimate outcome of this contractual situation. The Company may reverse a portion of the losses from the Greek contract if it receives future payments as required under the modified Greek contract. The Company has $16 million of receivables relating to value added taxes (VAT) as of July 31, 2011 that the Company has paid and believes it is entitled to recover either as a refund from the taxing authorities or as a payment under the Greek contract. The Company has invoiced the Customer for $36 million for VAT and the Customer has failed to make payment. If the Customer fails to pay the outstanding VAT amounts or the Company is unable to recover the amount as a refund from the taxing authorities, the Company's total losses on the Greek contract could increase. The Company has met certain advance payment and performance bonding requirements through the issuance of euro-denominated standby letters of credit. In fiscal 2011, the Customer drew, and the Company funded, $27 million on the Company's standby letters of credit relating to the delivery of the System. As of July 31, 2011, there were $6 million in standby letters of credit outstanding relating to the support and maintenance of the System. The Company is seeking recovery of the amounts drawn by the Customer on the standby letters of credit in the ongoing arbitration. The principal subcontractor has provided to the Company euro-denominated standby letters of credit in the amount of $26 million as of July 31, 2011, of which $21 million relates to the delivery of the System. The Company may draw on the subcontractor's standby letters of credit under certain circumstances by providing a statement to the responsible bank that the subcontractor has not fulfilled its obligations under the subcontract. Additionally, Siemens AG (Siemens), the parent corporation of the Company's principal subcontractor, has been subject to a number of investigations focusing on alleged improper payments to government officials and political parties in a number of countries, including Greece. The Company has taken a number of actions to determine that it had no involvement in any improper payments that may have been made by Siemens in connection with the Greek contract. If the Greek government's investigation ultimately finds evidence of Siemens wrongdoing, the legal compliance and political issues that this would raise could impact the Company's subcontractor's ability to perform the subcontract and the Company's ability to perform the Greek contract. This could have a material adverse effect on the Company's consolidated financial position, results of operations and cash flows. *Nuclear Regulatory Commission* The U.S. Department of Justice filed a lawsuit against the Company in September 2004 in the U.S. District Court for the District of Columbia alleging civil False Claims Act violations and breach of contract by the Company on two contracts that the Company had with the Nuclear Regulatory Commission (NRC). The complaint alleges that the Company's performance of several subcontracts on separate U.S. Department of Energy (DOE) programs, the participation of a Company employee in an industry trade association, and certain other alleged relationships created organizational conflicts of interest under the two NRC contracts. The Company disputes that the work performed on the DOE programs and the alleged relationships raised by the government created organizational conflicts of interest. In July 2008, the jury found in favor of the government on the breach of contract and two False Claims Act counts. The jury awarded a nominal amount of $78 in damages for breach of contract and $2 million in damages for the False Claims Act claims. The judge entered the judgment in October 2008, trebling the False Claims Act damages and awarding a total of $585,000 in civil penalties. The Company appealed to the U.S. Court of Appeals for the District of Columbia Circuit. In December 2010, the Court of Appeals affirmed the District Court's judgment as to both liability and damages of $78 on the breach of contract count and rescinded the judgment on the False Claims Act counts, including the aggregate damages and penalties. The Court of Appeals sent the False Claims Act counts back to the District Court for further proceedings. The Company has recorded a liability for an immaterial amount related to this matter as of July 31, 2011, based on its assessment of the likely outcome of this matter. *Other* The Company is also involved in various claims and lawsuits arising in the normal conduct of its business, none of which, in the opinion of the Company's management, based upon current information, will likely have a material adverse effect on the Company's consolidated financial position, results of operations or cash flows.

Other Commitments And Contingencies	6 Months Ended
Other Commitments And Contingencies	Jul. 31, 2010
Other Commitments And Contingencies
Other Commitments And Contingencies	Note 10—Other Commitments and Contingencies: *DS&S Joint Venture* In March 2006, the Company sold its interest in DS&S, a joint venture in which the Company owned a 50% interest. As part of the sale, the Company agreed to indemnify the purchaser for certain legal costs and expenses, including those related to a government investigation involving DS&S and any litigation resulting from that investigation up to the sum of the sales price of $9 million plus $1 million received by the Company in repayment of a loan owed by DS&S. As of July 31, 2011, the Company has deferred the potential $9 million gain on this sale pending resolution of the indemnification obligation. *Acquisition Indemnification Claims* Following the closing of an acquisition in December 2006, the Company identified several potential indemnification claims against the sellers. The claims against the sellers include the failure of the acquired company to comply with certain terms of contracts with the U.S. Government that required the acquired company in certain circumstances to provide price reductions for goods and services if it charged other customers a price lower than the prices it charged the U.S. Government at the time of contract award (the price reductions claims). The Company has disclosed this apparent non-compliance by the acquired company to the government and is fully cooperating with the government's ongoing review of the matter. In October 2010, the Company and the sellers signed an agreement to settle all outstanding indemnification claims, except for the price reductions claims. The Company continues to have its indemnification rights relating to the price reductions claims in accordance with the acquisition agreement and an escrow fund is being maintained as security for these claims. Based on its current expectations, the Company believes that it has adequate recourse against the sellers for any expected liability to the government that may result from the price reductions claims. *Government Investigations and Reviews* The Company is routinely subject to investigations and reviews relating to compliance with various laws and regulations, including those associated with organizational conflicts of interest, with respect to its role as a contractor to agencies and departments and in connection with performing services in countries outside of the United States. Adverse findings in these investigations or reviews can lead to criminal, civil or administrative proceedings and the Company could face penalties, fines, repayments or compensatory damages. Adverse findings could also have a material adverse effect on the Company's business, consolidated financial position, results of operations and cash flows due to its reliance on government contracts. U.S. Government agencies, including the Defense Contract Audit Agency (DCAA) and others, routinely audit and review a contractor's performance on government contracts, indirect rates and pricing practices, and compliance with applicable contracting and procurement laws, regulations and standards. They also review the adequacy of the contractor's compliance with government standards for its accounting and management internal control systems, including: control environment and overall accounting system, estimating system, purchasing system, property system, and earned value management system. Both contractors and the U.S. Government agencies conducting these audits and reviews have come under increased scrutiny. For example, it was determined that the audit procedures the DCAA previously used in reviewing some of the Company's systems and other government contractors systems were not in compliance with the requirements of Generally Accepted Government Auditing Standards. As a result, certain previous audit reports were rescinded and the current audits and reviews have become more rigorous and the standards to which the Company is held are being more strictly interpreted, increasing the likelihood of an audit or review resulting in an adverse outcome. During the course of its current audits, the DCAA is closely examining and questioning several of the Company's long established and disclosed practices that it had previously audited and accepted, increasing the uncertainty as to the ultimate conclusion that will be reached. DCAA has recently completed audits of the Company's accounting, billing, and indirect and other direct costs (IODC) systems (all of which are now included as part of the control environment and overall accounting system under the DoD's recently issued business system rule). The audit results and the Company's responses to those results are under evaluation by the Defense Contract Management Agency (DCMA), which is the responsible agency to determine whether any of the DCAA findings represent significant deficiencies or material weakness in the Company's internal control systems. Additionally, the DCAA has commenced a newly designed comprehensive audit of the Company's control environment and overall accounting system, which includes the systems that used to be known as the accounting, billing, IODC, compensation and labor systems. The Company also changed its indirect rate structure used in its indirect cost system and its direct labor bid structure used for its estimating system for fiscal 2011 and future years. The DCAA is performing reviews of these changes and the Company's compliance with certain other U.S. Government Cost Accounting Standards. A finding of significant control deficiencies in the Company's system audits or other reviews can result in decremented billing rates to its U.S. Government customers until the control deficiencies are corrected and their remediation is accepted by the DCMA. In addition, due to uncertainty created by the lack of timely completion of system and other audits, the Company has agreed to an immaterial downward adjustment to its provisional indirect billing rates for fiscal 2011 and 2012 pending resolution of such uncertainty. Government audits and reviews may conclude that the Company's practices are not consistent with applicable laws and regulations and result in adjustments to contract costs and mandatory customer refunds. Such adjustments can be applied retroactively, which could result in significant customer refunds. The Company's receipt of adverse audit findings, or the failure to obtain an "adequate" determination of its various accounting and management internal control systems, including changes to its indirect cost and direct labor estimating systems, from the responsible U.S. Government agency could significantly and adversely affect its business, including its ability to bid on new contracts and its competitive position in the bidding process. A determination of non-compliance with applicable contracting and procurement laws, regulations and standards could also result in the U.S. Government imposing penalties and sanctions against the Company, including withholding of payments, suspension of payments and increased government scrutiny that could delay or adversely affect the Company's ability to invoice and receive timely payment on contracts, perform contracts or compete for contracts with the U.S. Government. The Company's indirect cost audits by the DCAA have not been completed for fiscal 2005 and subsequent fiscal years. Although the Company has recorded contract revenues subsequent to fiscal 2004 based upon an estimate of costs that the Company believes will be approved upon final audit or review, the Company does not know the outcome of any ongoing or future audits or reviews and adjustments, and if future adjustments exceed the Company's estimates, its profitability would be adversely affected. As of July 31, 2011, the Company has recorded a liability of $30 million for its current best estimate of net amounts to be refunded to customers for potential adjustments from such audits or reviews of contract costs incurred subsequent to fiscal 2004. *Tax Audits and Reviews* The Company files income tax returns in the United States and various state and foreign jurisdictions and is subject to routine compliance reviews by the Internal Revenue Service (IRS) and other taxing authorities. The Company has effectively settled with the IRS for fiscal years prior to and including fiscal 2008. Effective fiscal 2011, the Company is participating in the IRS Compliance Assurance Process, in which the Company and the IRS endeavor to agree on the treatment of all tax positions prior to the return being filed, thereby greatly reducing the period of time between tax return submission and settlement with the IRS. Future and ongoing reviews could have a material adverse effect on the Company's consolidated financial position, results of operations or cash flows. During the next 12 months, it is reasonably possible that resolution of these reviews by taxing authorities, both domestic and international, could be reached with respect to $12 million of the Company's unrecognized tax benefits including $1 million of previously accrued interest, depending on the timing of ongoing examinations, litigation and expiration of statute of limitations, either because the Company's tax positions are sustained on audit or because the Company agrees to their disallowance and pays the related income tax. These unrecognized tax benefits are primarily related to certain recurring deductions customary for the Company's industry. As of July 31, 2011, the Company had liabilities for uncertain tax positions of $23 million, including $1 million related to discontinued operations. During the six months ended July 31, 2011, the Company's uncertain tax positions were reduced by $5 million resulting from the resolution of certain tax uncertainties. While the Company believes it has adequate accruals for uncertain tax positions, the tax authorities may determine that the Company owes taxes in excess of recorded accruals or the recorded accruals may be in excess of the final settlement amounts agreed to by the tax authorities. The Company is subject to periodic audits by government agencies for taxes other than income taxes. The Company does not believe that the outcome of any other such tax matters would have a material adverse effect on its consolidated financial position, results of operations, or cash flows. *Letters of Credit and Surety Bonds* The Company has outstanding letters of credit aggregating to $61 million at July 31, 2011, principally related to guarantees on contracts with foreign government customers. Of the total outstanding letters of credit, $6 million was related to certain advance payment and performance bonding requirements on a firm-fixed-price contract with the Greek government. The Company also has outstanding surety bonds in the amount of $309 million, principally related to performance and payment bonds. *Other* The DoD is in the process of restructuring the Company's Army Brigade Combat Team Modernization program. As a result of this restructuring, certain efforts associated with the program were terminated for convenience by the DoD in July 2009, January 2010 and May 2011. The Company received an undefinitized change order which required the Company to submit a restructure proposal. The Company submitted its restructure proposal to its prime contractor in April 2010 and the prime contractor submitted its restructure proposal to the customer in May 2010. The Company and prime contractor are currently working on a revised restructure proposal to give effect for additional changes in anticipated program scope that have occurred subsequent to the May 2010 submission. The Company continues to perform on this program in accordance with the revised scope of work under a reduced provisional billing rate that allows the Company to receive a lesser amount of the projected fee until the contract negotiations are completed. The Company has recognized revenues of approximately $450 million, including estimated fee, from October 2009 through July 31, 2011 under the undefinitized change order. The actual fee payable to the Company on this program is dependent on the outcome of the change order negotiations and may differ from amounts previously recognized.

- Definition

The entire disclosure for commitments and contingencies.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 14
-Paragraph 3
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
-Paragraph 9, 10, 11, 12
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.25)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14435-108349

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249

Reference 6: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6394976&loc=d3e25287-109308

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6449706&loc=d3e16207-108621

+ Details

Summary Of Significant Accounting Policies (Policy)

6 Months Ended

Jul. 31, 2011

Summary Of Significant Accounting Policies

Nature Of Operations And Basis Of Presentation

Nature of Operations and Basis of Presentation

Pension Accounting Change

Pension Accounting Change

Discontinued Operations

Discontinued Operations

The pre-sale operating results of the business sold for the periods presented were as follows:


	Six Months Ended July 31
	2011		2010 as adjusted
	(in millions)
Revenues	$	69	$	103
Costs and expenses:
Cost of revenues		54		84
Selling, general and administrative expenses		8		17
Operating income	$	7	$	2

Supplementary Cash Flow Information

Supplementary Cash Flow Information

Supplementary cash flow information, including non-cash investing and financing activities, for the periods presented was as follows:


	Six Months Ended July 31
	2011			2010
	(in millions)
Stock exchanged upon exercise of stock options	$	14		$	30
Vested stock issued as settlement of annual bonus accruals	$	3		$	4
Increase (decrease) in accrued stock repurchases	$	13		$	(24	)
Fair value of assets acquired in acquisitions	$	29		$	167
Less: cash paid in acquisitions, net of cash acquired of $1 million in fiscal 2011		(26	)		(140	)
Liabilities assumed in acquisitions	$	3		$	27
Cash paid for interest	$	52		$	35
Cash paid for income taxes	$	121		$	157

Accounting Standards Updates Adopted

Accounting Standards Updates Adopted

Accounting Standards Updates Issued But Not Yet Adopted

Accounting Standards Updates Issued But Not Yet Adopted

- Definition

Disclosure of accounting policy for any discontinued operations. The results of operations of a component of an entity that either has been disposed of or is classified as held for sale is reported in discontinued operations if both: (a) the operations and cash flows of the component have been (or will be) eliminated from the ongoing operations of the entity as a result of the disposal transaction and (b) the entity will not have any significant continuing involvement in the operations of the component after the disposal transaction. If the entity elects to allocate interest expense to a discontinued operation, it may disclose its accounting policy for this election and describe its method of allocation.

+ References + Details

- Definition

Disclosure of accounting policy for pension and other postretirement benefit plans. This accounting policy may address (1) the types of plans sponsored by the entity, and the benefits provided by each plan (2) groups that participate in (or are covered by) each plan (3) how plan assets, liabilities and expenses are measured, including the use of any actuaries and (4) significant assumptions used by the entity to value plan assets and liabilities and how such assumptions are derived.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 106
-Paragraph 19, 20, 21, 22
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5, 6, 7, 9, 11, 12, 13
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 158
-Paragraph 4, 5, 6, 7
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 87
-Paragraph 15-19, 63, 64
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph a
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph b
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph h
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph q
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 9: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
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-Paragraph 8
-Subparagraph m
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790

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Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 30
-URI http://asc.fasb.org/subtopic&trid=2235074

+ Details

Summary Of Significant Accounting Policies (Tables)

6 Months Ended

Jul. 31, 2011

Summary Of Significant Accounting Policies

Schedule Of Operating Results Of Discontinued Operations


	Six Months Ended July 31
	2011		2010 as adjusted
	(in millions)
Revenues	$	69	$	103
Costs and expenses:
Cost of revenues		54		84
Selling, general and administrative expenses		8		17
Operating income	$	7	$	2

Schedule Of Supplementary Cash Flow Information


	Six Months Ended July 31
	2011			2010
	(in millions)
Stock exchanged upon exercise of stock options	$	14		$	30
Vested stock issued as settlement of annual bonus accruals	$	3		$	4
Increase (decrease) in accrued stock repurchases	$	13		$	(24	)
Fair value of assets acquired in acquisitions	$	29		$	167
Less: cash paid in acquisitions, net of cash acquired of $1 million in fiscal 2011		(26	)		(140	)
Liabilities assumed in acquisitions	$	3		$	27
Cash paid for interest	$	52		$	35
Cash paid for income taxes	$	121		$	157

- Definition

Tabular disclosure of disposal groups, which may include the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss), amounts of revenues and pretax profit or loss reported in discontinued operations, the classification and carrying value of the assets and liabilities comprising the disposal group, and the segment in which the disposal group was reported. Also may include the amount of adjustments to amounts previously reported in discontinued operations such as resolution of contingencies arising from the disposal transaction or the operations of the component prior to disposal.

+ References + Details

Earnings Per Share (EPS) (Tables)

6 Months Ended

Jul. 31, 2011

Earnings Per Share (EPS)

Reconciliation Of Income Used In Calculating Earnings Per Share


	Three Months Ended July 31						Six Months Ended July 31
	2011			2010 as adjusted			2011			2010 as adjusted
	(in millions)
Basic EPS:
Income from continuing operations, as reported	$	112		$	157		$	242		$	281
Less: allocation of undistributed earnings to participating securities		(4	)		(5	)		(9	)		(10	)
Income from continuing operations, for computing basic EPS	$	108		$	152		$	233		$	271
Net income, as reported	$	178		$	190		$	309		$	315
Less: allocation of undistributed earnings to participating securities		(7	)		(7	)		(11	)		(11	)
Net income, for computing basic EPS	$	171		$	183		$	298		$	304
Diluted EPS:
Income from continuing operations, as reported	$	112		$	157		$	242		$	281
Less: allocation of undistributed earnings to participating securities		(4	)		(5	)		(9	)		(10	)
Income from continuing operations, for computing diluted EPS	$	108		$	152		$	233		$	271
Net income, as reported	$	178		$	190		$	309		$	315
Less: allocation of undistributed earnings to participating securities		(7	)		(7	)		(11	)		(11	)
Net income, for computing diluted EPS	$	171		$	183		$	298		$	304

Reconciliation Of Weighted Average Number Of Shares Outstanding


	Three Months Ended July 31				Six Months Ended July 31
	2011		2010		2011		2010
	(in millions)
Basic weighted average number of shares outstanding		338		363		342		369
Dilutive common share equivalents—stock options and other stock awards		1		2		1		2
Diluted weighted average number of shares outstanding		339		365		343		371

Schedule Of Basic and Diluted EPS


	Three Months Ended July 31				Six Months Ended July 31
	2011		2010 as adjusted		2011		2010 as adjusted
Basic:
Income from continuing operations	$	.32	$	.42	$	.68	$	.73
Income from discontinued operations		.19		.08		.19		.09
	$	.51	$	.50	$	.87	$	.82
Diluted:
Income from continuing operations	$	.32	$	.42	$	.68	$	.73
Income from discontinued operations		.18		.08		.19		.09
	$	.50	$	.50	$	.87	$	.82

Schedule Of Stock-Based Awards Excluded From Weighted Average Shares Outstanding


	Three Months Ended July 31				Six Months Ended July 31
	2011		2010		2011		2010
	(in millions)
Antidilutive stock options excluded		22		20		22		20
Performance-based stock awards excluded		1		1		1		1

Stock-Based Compensation (Tables)

6 Months Ended

Jul. 31, 2011

Stock-Based Compensation

Schedule Of Stock-Based Compensation Expenses


	Three Months Ended July 31					Six Months Ended July 31
	2011			2010		2011			2010
	(in millions)
Stock options	$	5		$	5	$	10		$	11
Vesting stock awards		17			20		35			36
Performance-based stock awards		(3	)		2		(2	)		3
Total stock-based compensation expense	$	19		$	27	$	43		$	50

Schedule Of Weighted Average Grant-Date Fair Value And Assumptions Used


	Six Months Ended July 31
	2011			2010
Weighted average grant-date fair value	$	4.21		$	3.96
Expected term (in years)		4.9			3.8
Expected volatility		23.4	%		25.1	%
Risk-free interest rate		2.2	%		2.1	%
Dividend yield		0	%		0	%

Schedule Of Stock Option Activity


	Shares of stock under stock options			Weighted average exercise price		Weighted average remaining contractual term		Aggregate intrinsic value
	(in millions)					(in years)		(in millions)
Outstanding at January 31, 2011		25.0		$	17.31		2.1	$	11
Options granted		3.9			16.92
Options forfeited or expired		(2.0	)		15.94
Options exercised		(4.4	)		14.69				8
Outstanding at July 31, 2011		22.5			17.88		2.6		—
Exercisable at July 31, 2011		10.3			18.09		1.6		—

Schedule of Vesting Stock Award Activity


	Shares of stock under stock awards			Weighted average grant- date fair value
	(in millions)
Unvested stock awards at January 31, 2011		11.7		$	18.03
Awards granted		5.6			16.91
Awards forfeited		(0.7	)		17.81
Awards vested		(3.6	)		17.93
Unvested stock awards at July 31, 2011		13.0			17.58

Schedule Of Performance Based Stock Award Activity


	Expected number of shares of stock to be issued under performance- based stock awards			Weighted average grant- date fair value
	(in millions)
Outstanding at January 31, 2011		1.0		$	17.89
Awards granted		0.5			16.92
Adjustments to expected number of shares of stock to be issued		(0.3	)		18.33
Outstanding at July 31, 2011		1.2			17.32

Goodwill And Intangible Assets (Tables)

6 Months Ended

Jul. 31, 2011

Goodwill And Intangible Assets

Schedule Of Changes In Goodwill By Segment


	DS		HECS		ICS			Total
	(in millions)
Goodwill at January 31, 2011	$	405	$	634	$	625		$	1,664
Acquisitions		—		14		—			14
Adjustments		—		1		(5	)		(4	)
Goodwill at July 31, 2011	$	405	$	649	$	620		$	1,674

Schedule Of Intangible Assets Including Estimates Of Assets Acquired


	July 31, 2011						January 31, 2011
	Gross carrying value		Accumulated amortization		Net carrying value		Gross carrying value		Accumulated amortization		Net carrying value
	(in millions)
Finite-lived intangible assets:
Customer relationships	$	127	$	76	$	51	$	121	$	65	$	56
Software and technology		169		48		121		157		37		120
Other		2		1		1		2		1		1
Total finite-lived intangible assets		298		125		173		280		103		177
Indefinite-lived intangible assets:
In-process research and development		19		—		19		30		—		30
Trade names		4		—		4		4		—		4
Total indefinite-lived intangible assets		23		—		23		34		—		34
Total intangible assets	$	321	$	125	$	196	$	314	$	103	$	211

Schedule Of Amortization Expense For Finite-Lived Intangible Assets


Fiscal Year Ending January 31
	(in millions)
2012 (remainder of the fiscal year)	$	20
2013		36
2014		32
2015		23
2016		19
2017		14
2018 and thereafter		29
	$	173

- Definition

Tabular disclosure of goodwill by reportable segment and in total. Disclosure details may include, but are not limited to, the carrying amount of goodwill, goodwill acquired during the year, goodwill impairment losses recognized, goodwill written-off due to the sale of a business unit, goodwill not yet allocated, and any other changes to goodwill.

+ References + Details

Financial Instruments (Tables)

6 Months Ended

Jul. 31, 2011

Financial Instruments

Schedule Of Notes Payable And Long-Term Debt


	Stated interest rate			Effective interest rate			July 31, 2011		January 31, 2011
	($ in millions)
Senior unsecured notes:
$550 million notes issued in fiscal 2003, which mature in July 2012		6.25	%		6.50	%	$	550	$	550
$450 million notes issued in fiscal 2011, which mature in December 2020		4.45	%		4.59	%		448		448
$250 million notes issued in fiscal 2003, which mature in July 2032		7.13	%		7.43	%		248		248
$300 million notes issued in fiscal 2004, which mature in July 2033		5.50	%		5.78	%		296		296
$300 million notes issued in fiscal 2011, which mature in December 2040		5.95	%		6.03	%		300		300
Capital leases and other notes payable due on various dates through fiscal 2017		0-3.1	%		Various			10		10
Total								1,852		1,852
Less: current portion								553		3
Notes payable and long-term debt, net of current portion							$	1,299	$	1,849
Fair value of notes payable and long-term debt							$	2,010	$	1,930

- Definition

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Paragraph 3
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Paragraph 6
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-SubTopic 10
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-Paragraph 8
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-Name Accounting Standards Codification
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-Paragraph 1
-Subparagraph (SX 210.4-08.(e),(f))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

+ Details

Comprehensive Income And Accumulated Other Comprehensive Loss (Tables)

6 Months Ended

Jul. 31, 2011

Comprehensive Income And Accumulated Other Comprehensive Loss

Schedule Of Comprehensive Income


	Three Months Ended July 31						Six Months Ended July 31
	2011			2010 as adjusted			2011			2010 as adjusted
	(in millions)
Net income	$	178		$	190		$	309		$	315
Other comprehensive income (loss):
Foreign currency translation adjustments		6			1			7			(1	)
Deferred taxes		(2	)		(2	)		(3	)		(1	)
Foreign currency translation adjustments, net of tax		4			(1	)		4			(2	)
Reclassification of realized loss on settled derivative instruments to net income		—			1			—			1
Deferred taxes		—			—			—			—
Reclassification of realized loss on settled derivative instruments to net income, net of tax		—			1			—			1
Pension liability adjustment		—			(1	)		—			7
Deferred taxes		—			—			—			(2	)
Pension liability adjustment, net of tax		—			(1	)		—			5
Total other comprehensive income (loss), net of tax		4			(1	)		4			4
Comprehensive income	$	182		$	189		$	313		$	319

Schedule Of Accumulated Other Comprehensive Loss


	July 31, 2011			January 31, 2011 as adjusted
	(in millions)
Foreign currency translation adjustments, net of taxes of $(1) million and $2 million as of July 31, 2011 and January 31, 2011, respectively	$	2		$	(2	)
Unrecognized net loss on settled derivative instruments associated with outstanding debt, net of taxes of $4 million as of July 31, 2011 and January 31, 2011		(5	)		(5	)
Total accumulated other comprehensive loss, net of taxes of $3 million and $6 million as of July 31, 2011 and January 31, 2011, respectively	$	(3	)	$	(7	)

- Definition

The entire disclosure for comprehensive income. Includes, but is not limited to, the following: 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. Components of comprehensive income include: (1) foreign currency translation adjustments; (2) gains (losses) on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (3) gains (losses) on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (4) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (5) unrealized holding gains (losses) on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (6) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (7) the net gain (loss) and net prior service cost or credit for pension plans and other postretirement benefit plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 130
-Paragraph 14-26
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
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-Section 45
-Paragraph 11
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770

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-Name Accounting Standards Codification
-Topic 220
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-Paragraph 16
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-Name Accounting Standards Codification
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Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Reclassification Adjustments
-URI http://asc.fasb.org/extlink&oid=6522872

Reference 10: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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+ Details

Business Segment Information (Tables)

6 Months Ended

Jul. 31, 2011

Business Segment Information

Schedule Of Segment Reporting Information By Segment


	Three Months Ended July 31						Six Months Ended July 31
	2011			2010			2011			2010
	(in millions)
Revenues:
Defense Solutions	$	1,085		$	1,159		$	2,222		$	2,269
Health, Energy and Civil Solutions		667			683			1,336			1,377
Intelligence and Cybersecurity Solutions		843			852			1,727			1,677
Corporate and Other		1			56			1			56
Intersegment elimination		—			(1	)		(2	)		(3	)
Total revenues	$	2,596		$	2,749		$	5,284		$	5,376
Operating income (loss):
Defense Solutions	$	88		$	93		$	178		$	177
Health, Energy and Civil Solutions		61			62			117			127
Intelligence and Cybersecurity Solutions		75			69			159			131
Corporate and Other		(15	)		48			(15	)		43
Total operating income	$	209		$	272		$	439		$	478

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References + Details

Summary Of Significant Accounting Policies (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010	Jan. 31, 2011	Jan. 31, 2010
Proceeds from discontinued operations	$ 169,000,000		$ 169,000,000
Gain on sale before income taxes	109,000,000		109,000,000
Gain on settlement of arbitration against Telkom South Africa, before tax		$ 52,000,000		$ 52,000,000
Pension Accounting Change [Member]
Cumulative effect on retained earnings, net of tax					$ (25,000,000)	$ (26,000,000)
Cumulative effect on accumulated other comprehensive income					$ (25,000,000)	$ (26,000,000)
Material impact on income statement due to accounting change	$ 0	$ 0	$ 0	$ 0

- Definition

Pretax gain (loss), not previously recognized and resulting from the sale of a business component, which is recognized at the date of sale. A gain (loss) reflects the amount by which the consideration received exceeds (is exceeded by) the net carrying amount (reflecting previous provisions for loss on disposal, if any) of the disposal group.

+ References + Details

Summary Of Significant Accounting Policies (Schedule Of Operating Results Of Discontinued Operations) (Details) - USD ($) $ in Millions	6 Months Ended
	Jul. 31, 2011	Jul. 31, 2010
Summary Of Significant Accounting Policies
Revenues	$ 69	$ 103
Cost of revenues	54	84
Selling, general and administrative expenses	8	17
Operating income	$ 7	$ 2

Summary Of Significant Accounting Policies (Schedule Of Supplementary Cash Flow Information) (Details) - USD ($) $ in Millions	6 Months Ended
	Jul. 31, 2011	Jul. 31, 2010
Summary Of Significant Accounting Policies
Stock exchanged upon exercise of stock options	$ 14	$ 30
Vested stock issued as settlement of annual bonus accruals	3	4
Increase (decrease) in accrued stock repurchases	13	(24)
Fair value of assets acquired in acquisitions	29	167
Less: cash paid in acquisitions, net of cash acquired of $1 million in fiscal 2011	(26)	(140)
Liabilities assumed in acquisitions	3	27
Cash paid for interest	52	35
Cash paid for income taxes	$ 121	157
Cash acquired from acquisition		$ 1

Earnings Per Share (EPS) (Reconciliation Of Income Used In Calculating Earnings Per Share) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010
Earnings Per Share (EPS)
Income from continuing operations, as reported	$ 112	$ 157	$ 242	$ 281
Less: allocation of undistributed earnings to participating securities	(4)	(5)	(9)	(10)
Income from continuing operations, for computing basic EPS	108	152	233	271
Net income, as reported	178	190	309	315
Less: allocation of undistributed earnings to participating securities	(7)	(7)	(11)	(11)
Net income, for computing basic EPS	171	183	298	304
Less: allocation of undistributed earnings to participating securities	(4)	(5)	(9)	(10)
Income from continuing operations, for computing diluted EPS	108	152	233	271
Less: allocation of undistributed earnings to participating securities	(7)	(7)	(11)	(11)
Net income, for computing diluted EPS	$ 171	$ 183	$ 298	$ 304

Earnings Per Share (EPS) (Reconciliation Of Weighted Average Number Of Shares Outstanding) (Details) - shares shares in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010
Earnings Per Share (EPS)
Basic weighted average number of shares outstanding	338	363	342	369
Dilutive common share equivalents-stock options and other stock awards	1	2	1	2
Diluted weighted average number of shares outstanding	339	365	343	371

- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References + Details

- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 171
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Number 128
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6528421

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Earnings Per Share (EPS) (Schedule Of Basic And Diluted EPS) (Details) - $ / shares	3 Months Ended		6 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010
Basic:
Income from continuing operations	$ 0.32	$ 0.42	$ 0.68	$ 0.73
Income from discontinued operations	0.19	0.08	0.19	0.09
Total basic earnings per share	0.51	0.50	0.87	0.82
Diluted:
Income from continuing operations	0.32	0.42	0.68	0.73
Income from discontinued operations	0.18	0.08	0.19	0.09
Total diluted earnings per share	$ 0.50	$ 0.50	$ 0.87	$ 0.82

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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+ Details

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References + Details

- Definition

The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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+ Details

- Definition

The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References

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- Definition

The amount of net income (loss) derived from discontinued operations during the period, net of related tax effect, per each share of common stock or unit outstanding during the reporting period.

+ References

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-Paragraph 2
-Subparagraph (SX 210.5-03.21)
-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6920599&loc=d3e1278-109256

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.23)
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04.19)
-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 07-4
-Paragraph 4
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Earnings Per Share (EPS) (Schedule Of Stock-Based Awards Excluded From Weighted Average Shares Outstanding) (Details) - shares shares in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010
Stock Options Excluded [Member]
Antidilutive stock based awards	22	20	22	20
Performance-Based Stock Awards Excluded [Member]
Antidilutive stock based awards	1	1	1	1

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 13, 14
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 171
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 40
-Subparagraph c
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Diluted Earnings Per Share
-URI http://asc.fasb.org/extlink&oid=6510752

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Contingent Stock Agreement
-URI http://asc.fasb.org/extlink&oid=6508534

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Antidilution
-URI http://asc.fasb.org/extlink&oid=6505113

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 07-4
-Paragraph 4
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Stock-Based Compensation (Narrative) (Details) $ in Millions	6 Months Ended
	Jul. 31, 2011 USD ($)	Jul. 31, 2010 USD ($)
Fair value of vesting awards that vested	$ 61	$ 53
Expected term (in years)	4.9	3.8
Vesting period (in years)	four
Number of events for performance-based stock awards	0
Stock Options [Member]
Expected term (in years)	7	5
Outside Directors [Member]
Vesting period (in years)	one

Stock-Based Compensation (Schedule Of Stock-Based Compensation Expenses) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010
Total stock-based compensation expense	$ 19	$ 27	$ 43	$ 50
Stock Options [Member]
Total stock-based compensation expense	5	5	10	11
Performance-Based Stock Awards [Member]
Total stock-based compensation expense	(3)	2	(2)	3
Vesting Stock Awards [Member]
Total stock-based compensation expense	$ 17	$ 20	$ 35	$ 36

Stock-Based Compensation (Schedule Of Weighted Average Grant-Date Fair Value And Assumptions Used) (Details) - $ / shares	6 Months Ended
	Jul. 31, 2011	Jul. 31, 2010
Stock-Based Compensation
Weighted average grant-date fair value	$ 4.21	$ 3.96
Expected term (in years)	4.9	3.8
Expected volatility	23.40%	25.10%
Risk-free interest rate	2.20%	2.10%
Dividend yield	0.00%	0.00%

Stock-Based Compensation (Schedule Of Stock Option Activity) (Details) $ / shares in Units, shares in Millions, $ in Millions	6 Months Ended
	Jul. 31, 2011 USD ($) $ / shares shares
Stock-Based Compensation
Options outstanding, beginning balance \| shares	25.0
Options granted \| shares	3.9
Options forfeited or expired \| shares	(2.0)
Options exercised \| shares	(4.4)
Options outstanding, ending balance \| shares	22.5
Options Exercisable at July 31, 2011 \| shares	10.3
Weighted average exercise price, Options outstanding, beginning balance \| $ / shares	$ 17.31
Weighted average exercise price, Options granted \| $ / shares	16.92
Weighted average exercise price, Options forfeited or expired \| $ / shares	15.94
Weighted average exercise price, Options exercised \| $ / shares	14.69
Weighted average exercise price, Options outstanding, ending balance \| $ / shares	17.88
Weighted average exercise price, Options exercisable at July 31, 2011 \| $ / shares	$ 18.09
Weighted average remaining contractual life, beginning of period, (in years)	2.1
Weighted average remaining contractual life, end of period, (in years)	2.6
Weighted average remaining contractual life, exercisable at July 31, 2011	1.6
Aggregate intrinsic value, Options outstanding, beginning balance \| $	$ 11
Aggregate intrinsic value, Options exercised \| $	$ 8

Stock-Based Compensation (Schedule Of Vesting Stock Award Activity) (Details) - Vesting Stock Awards [Member] shares in Millions	6 Months Ended
	Jul. 31, 2011 $ / shares shares
Shares at January 31, 2011 \| shares	11.7
Awards granted \| shares	5.6
Awards forfeited \| shares	(0.7)
Awards vested \| shares	(3.6)
Shares at July 31, 2011 \| shares	13.0
Weighted average grant-date fair value, Shares at January 31, 2011 \| $ / shares	$ 18.03
Weighted average grant-date fair value, Awards granted \| $ / shares	16.91
Weighted average grant-date fair value, Awards forfeited \| $ / shares	17.81
Weighted average grant-date fair value, Awards vested \| $ / shares	17.93
Weighted average grant-date fair value, Shares at July 31, 2011 \| $ / shares	$ 17.58

- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

+ References + Details

Stock-Based Compensation (Schedule Of Performance-Based Stock Award Activity) (Details) - Performance-Based Stock Awards [Member] shares in Millions	6 Months Ended
	Jul. 31, 2011 $ / shares shares
Shares at January 31, 2011 \| shares	1.0
Awards granted \| shares	0.5
Adjustments to expected number of shares of stock to be issued \| shares	(0.3)
Shares at July 31, 2011 \| shares	1.2
Weighted average grant-date fair value, Shares at January 31, 2011 \| $ / shares	$ 17.89
Weighted average grant-date fair value, Awards granted \| $ / shares	16.92
Weighted average grant-date fair value, Adjustments to expected number of shares of stock to be issued \| $ / shares	18.33
Weighted average grant-date fair value, Shares at July 31, 2011 \| $ / shares	$ 17.32

- Definition

+ References + Details

Acquisitions (Details) $ in Millions	May 13, 2011 USD ($)	Jul. 31, 2011 USD ($)
Patrick Energy Services, Inc [Member]
Preliminary purchase price paid in cash	$ 25
Tax deductible goodwill	14
Identifiable finite-lived intangible assets	$ 7
Weighted average life of finite-lived intangibles (years)	7
Vitalize Consulting Solutions, Inc. [Member]
Preliminary purchase price paid in cash		$ 190

Goodwill And Intangible Assets (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010	Jan. 31, 2011
Goodwill And Intangible Assets
Recast of goodwill to show effect of discontinued operations in reportable segments					$ 14
Amortization expense related to amortizable intangible assets	$ 11	$ 8	$ 22	$ 17
Goodwill or intangible asset impairment losses	$ 0	$ 0	$ 0	$ 0

Goodwill And Intangible Assets (Schedule Of Changes In Goodwill By Segment) (Details) $ in Millions	6 Months Ended
	Jul. 31, 2011 USD ($)
Goodwill at January 31, 2011	$ 1,664
Acquisitions	14
Adjustments	(4)
Goodwill at July 31, 2011	1,674
Defense Solutions [Member]
Goodwill at January 31, 2011	405
Acquisitions
Adjustments
Goodwill at July 31, 2011	405
Health, Energy And Civil Solutions [Member]
Goodwill at January 31, 2011	634
Acquisitions	14
Adjustments	1
Goodwill at July 31, 2011	649
Intelligence And Cybersecurity Solutions [Member]
Goodwill at January 31, 2011	625
Acquisitions
Adjustments	(5)
Goodwill at July 31, 2011	$ 620

- Definition

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-Subparagraph e
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 43
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 68
-Subparagraph l
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6905597&loc=d3e13816-109267

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 72
-Subparagraph d
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-Subparagraph e
-Clause 1
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 34
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Goodwill And Intangible Assets (Schedule Of Intangible Assets Including Estimates Of Assets Acquired) (Details) - USD ($) $ in Millions	Jul. 31, 2011	Jan. 31, 2011
Gross carrying value	$ 298	$ 280
Accumulated amortization	125	103
Net carrying value	173	177
Indefinite-lived intangible assets	23	34
Gross carrying value	321	314
Net carrying value	196	211
In-Process Research And Development [Member]
Indefinite-lived intangible assets	19	30
Trade Names [Member]
Indefinite-lived intangible assets	4	4
Customer Relationships [Member]
Gross carrying value	127	121
Accumulated amortization	76	65
Net carrying value	51	56
Software And Technology [Member]
Gross carrying value	169	157
Accumulated amortization	48	37
Net carrying value	121	120
Other [Member]
Gross carrying value	2	2
Accumulated amortization	1	1
Net carrying value	$ 1	$ 1

Goodwill And Intangible Assets (Schedule Of Amortization Expense For Finite-Lived Intangible Assets) (Details) $ in Millions	6 Months Ended
	Jul. 31, 2011 USD ($)
Goodwill And Intangible Assets
2012 (remainder of the fiscal year)	$ 20
2013	36
2014	32
2015	23
2016	19
2017	14
2018 and thereafter	29
Total estimated amortization expense for finite-lived intangible assets	$ 173

Financial Instruments (Narrative) (Details) $ in Millions	3 Months Ended		6 Months Ended
Financial Instruments (Narrative) (Details) $ in Millions	Jul. 31, 2011 USD ($)	Jul. 31, 2010 USD ($)	Jul. 31, 2011 USD ($)	Jul. 31, 2010 USD ($)	Apr. 30, 2012 USD ($)	Jan. 31, 2011 USD ($)
Unsecured borrowing capacity					$ 750
Borrowings outstanding under the revolving credit facility	$ 0		$ 0			$ 0
Revolving credit facility financial covenants description			for a period of four trailing fiscal quarters, the Company maintains a ratio of consolidated funded debt to earnings before interest, taxes, depreciation and amortization (EBITDA) adjusted for other items as defined in the credit facility of not more than <font class="_mt">3.0</font> to <font class="_mt">1.0</font> and a ratio of EBITDA adjusted for other items as defined in the credit facility to interest expense of greater than <font class="_mt">3.5</font> to <font class="_mt">1.0</font>.
Ratio of consolidated funded debt to EBITDA, numerator, maximum	3.0		3.0
Ratio of consolidated funded debt to EBITDA, denominator, maximum	1.0		1.0
Minimum ratio of EBITDA to interest expense, numerator	3.5		3.5
Minimum ratio of EBITDA to interest expense, denominator	1.0		1.0
Maximum [Member] \| Forward Contracts [Member]
Gain on contracts included in other income (expense), net (less than)	$ 1	$ 1	$ 1	$ 1

Financial Instruments (Schedule Of Notes Payable And Long-Term Debt) (Details) - USD ($)	6 Months Ended
	Jul. 31, 2011	Jan. 31, 2011
Total	$ 1,852,000,000	$ 1,852,000,000
Less: current portion	553,000,000	3,000,000
Notes payable and long-term debt, net of current portion	1,299,000,000	1,849,000,000
Fair value of notes payable and long-term debt	2,010,000,000	1,930,000,000
Notes Which Mature On July 2012 [Member]
Senior unsecured notes, face amount	550,000,000
Senior unsecured notes	$ 550,000,000	550,000,000
Stated interest rate	6.25%
Effective interest rate	6.50%
Debt maturity date	Jul. 01, 2012
Notes Which Mature On December 2020 [Member]
Senior unsecured notes, face amount	$ 450,000,000
Senior unsecured notes	$ 448,000,000	448,000,000
Stated interest rate	4.45%
Effective interest rate	4.59%
Debt maturity date	Dec. 01, 2020
Notes Which Mature On July 2032 [Member]
Senior unsecured notes, face amount	$ 250,000,000
Senior unsecured notes	$ 248,000,000	248,000,000
Stated interest rate	7.13%
Effective interest rate	7.43%
Debt maturity date	Jul. 01, 2032
Notes Which Mature On July 2033 [Member]
Senior unsecured notes, face amount	$ 300,000,000
Senior unsecured notes	$ 296,000,000	296,000,000
Stated interest rate	5.50%
Effective interest rate	5.78%
Debt maturity date	Jul. 01, 2033
Notes Which Mature On December 2040 [Member]
Senior unsecured notes, face amount	$ 300,000,000
Senior unsecured notes	$ 300,000,000	300,000,000
Stated interest rate	5.95%
Effective interest rate	6.03%
Debt maturity date	Dec. 01, 2040
Other Notes Payable Due On Various Dates Through Fiscal 2017 [Member]
Capital leases and other notes payable due on various dates through fiscal 2017	$ 10,000,000	$ 10,000,000
Minimum stated interest rate	0.00%
Maximum stated interest rate	3.10%

Comprehensive Income And Accumulated Other Comprehensive Loss (Narrative) (Details) $ in Millions	6 Months Ended
	Jul. 31, 2011 USD ($)
Comprehensive Income And Accumulated Other Comprehensive Loss
Unrealized net loss on settled derivatives which will be amortized and recognized	$ 1
Amortization period of unrealized net loss on settled derivatives (in months)	12

Comprehensive Income And Accumulated Other Comprehensive Loss (Schedule Of Comprehensive Income) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010
Comprehensive Income And Accumulated Other Comprehensive Loss
Net income	$ 178	$ 190	$ 309	$ 315
Foreign currency translation adjustments	6	1	7	(1)
Deferred taxes	(2)	(2)	(3)	(1)
Foreign currency translation adjustments, net of tax	4	(1)	4	(2)
Reclassification of realized loss on settled derivative instruments to net income		1		1
Deferred taxes
Reclassification of realized loss on settled derivative instruments to net income, net of tax		1		1
Pension liability adjustment		(1)		7
Deferred taxes				(2)
Pension liability adjustment, net of tax		(1)		5
Total other comprehensive income (loss), net of tax	4	(1)	4	4
Comprehensive income	$ 182	$ 189	$ 313	$ 319

Comprehensive Income And Accumulated Other Comprehensive Loss (Schedule Of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Millions	Jul. 31, 2011	Jan. 31, 2011
Comprehensive Income And Accumulated Other Comprehensive Loss
Foreign currency translation adjustments, net of taxes of $(1) million and $2 million as of July 31, 2011 and January 31, 2011, respectively	$ 2	$ (2)
Unrecognized net loss on settled derivative instruments associated with outstanding debt, net of taxes of $4 million as of July 31, 2011 and January 31, 2011	(5)	(5)
Total accumulated other comprehensive loss, net of taxes of $3 million and $6 million as of July 31, 2011 and January 31, 2011, respectively	(3)	(7)
Foreign currency translation adjustments, tax effect	(1)	2
Unrecognized net loss on settled derivative instruments associated with outstanding debt, tax effect	4	4
Total accumulated other comprehensive loss, tax effect	$ 3	$ 6

- Definition

Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

+ References

+ Details

- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

+ References

+ Details

Business Segment Information (Schedule Of Segment Reporting Information By Segment) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010
Revenues	$ 2,596	$ 2,749	$ 5,284	$ 5,376
Operating income (loss)	209	272	439	478
Defense Solutions [Member]
Revenues	1,085	1,159	2,222	2,269
Operating income (loss)	88	93	178	177
Health, Energy And Civil Solutions [Member]
Revenues	667	683	1,336	1,377
Operating income (loss)	61	62	117	127
Intelligence And Cybersecurity Solutions [Member]
Revenues	843	852	1,727	1,677
Operating income (loss)	75	69	159	131
Corporate And Other [Member]
Revenues	1	56	1	56
Operating income (loss)	$ (15)	48	(15)	43
Intersegment Elimination [Member]
Revenues		$ (1)	$ (2)	$ (3)

Legal Proceedings (Details) - USD ($)			1 Months Ended				3 Months Ended		6 Months Ended
Legal Proceedings (Details) - USD ($)	Jun. 29, 2011	Jun. 15, 2011	Jun. 30, 2011	Dec. 31, 2010	Oct. 31, 2008	Jul. 31, 2008	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010	May 31, 2011	Jan. 31, 2011	Jun. 30, 2009	Nov. 30, 2008
Amount outstanding							$ 0		$ 0			$ 0
National Center For Critical Information Processing And Storage Contract [Member]
Damages sought									116,000,000
Loss contingency, proposed settlement agreement, consideration									25,000,000
Contingency liability recorded							25,000,000		25,000,000
Timekeeping Contract With City Of New York [Member]
Amount billed											$ 635,000,000
Contract receivable											$ 40,000,000
The amount allegedly taken from a subcontractor		$ 9,000,000	$ 5,000,000
City time requested reimbursement	$ 600,000,000
Greek Government Contract [Member]
Damages sought by SAIC													$ 101,000,000
Profit or loss recorded on contract							0	$ 0	0	$ 0
Recorded losses									123,000,000
Greek Government Contract [Member] \| Invoice For Undisputed Portion Of Contract [Member]
Contracts receivable														$ 20,000,000
Greek Government Contract [Member] \| Value Added Taxes [Member]
Contracts receivable							36,000,000		36,000,000
Receivables relating to value added taxes							16,000,000		16,000,000
Greek Government Contract [Member] \| Standby Letters Of Credit [Member]
Letter of credit available to the company							26,000,000		26,000,000
Greek Government Contract [Member] \| Letter Of Credit Relating To Delivery Of The System [Member]
Letter of credit available to the company							21,000,000		21,000,000
Greek Government Contract [Member] \| Performance Guarantee [Member]
Damages sought by SAIC													$ 27,000,000
Greek Government Contract [Member] \| Letters Of Credit Related System Support And Maintenance [Member]
Amount outstanding												$ 27,000,000
Greek Government Contract [Member] \| Letters Of Credit Related System Support And Maintenance [Member] \| Letter Of Credit Relating To Delivery Of The System [Member]
Amount outstanding							$ 6,000,000		$ 6,000,000
Nuclear Regulatory Commission [Member] \| Breach Of Contract [Member]
Loss related to litigation settlement				$ 78		$ 78
Nuclear Regulatory Commission [Member] \| False Claims Act Claims [Member]
Loss related to litigation settlement					$ 585,000	$ 2,000,000

Other Commitments And Contingencies (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended		19 Months Ended
	Mar. 31, 2006	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010	Apr. 30, 2011
Uncertain tax position related to discontinued operations		$ 49	$ 21	$ 50	$ 20
Revenues		2,596	$ 2,749	5,284	$ 5,376
Restructuring Proposals [Member]
Revenues						$ 450
Government Investigations And Reviews [Member]
Liability for estimate of loss				30
Tax Audits And Reviews [Member]
Unrecognized tax benefits		12		12
Unrecognized tax benefits accrued interest		1		1
Liabilities for uncertain tax positions		23		23
Uncertain tax position related to discontinued operations				1
Reduction of uncertain tax position from resolution				5
Standby Letters Of Credit [Member]
Amount outstanding		61		61
Portion attributable to advance payment and bonding requirement		6		6
Performance Guarantee [Member]
Surety bonds		$ 309		309
DS And S [Member]
Ownership interest	50.00%
Sale price of business	$ 9
Cash received for repayment of loan	$ 1
Deferred gain related to sale of business				$ 9