0001336920 2020-05-15 2020-05-15 false --01-01 0001336920 8-K 2020-05-15 LEIDOS HOLDINGS, INC. DE 001-33072 20-3562868 1750 Presidents Street Reston VA 20190 571 526-9000 false false false false Common stock, par value $.0001 per share LDOS NYSE false