Condensed Consolidated Statements of Cash Flows (USD $)	9 Months Ended
	Oct. 31, 2014	Nov. 01, 2013
Cash flows from operations:
Net income (loss)	$ (367,000,000)	$ 120,000,000
Loss (income) from discontinued operations	11,000,000	(83,000,000)
Adjustments to reconcile net (loss) income to net cash provided by operations:
Depreciation and amortization	50,000,000	64,000,000
Stock-based compensation	33,000,000	43,000,000
Goodwill impairment charges	486,000,000	0
Intangible asset impairment charges	41,000,000	51,000,000
Bad debt expense	3,000,000	45,000,000
Restructuring charges, net	1,000,000	18,000,000
Other	3,000,000	(3,000,000)
Change in assets and liabilities, net of effects of acquisitions and dispositions:
Receivables	29,000,000	(142,000,000)
Inventory, prepaid expenses and other current assets	2,000,000	27,000,000
Deferred income taxes	46,000,000	20,000,000
Other assets	(2,000,000)	3,000,000
Accounts payable and accrued liabilities	(11,000,000)	(7,000,000)
Accrued payroll and employee benefits	3,000,000	(46,000,000)
Income taxes receivable/payable	(22,000,000)	(14,000,000)
Other long-term liabilities	(12,000,000)	(14,000,000)
Total cash flows provided by operating activities of continuing operations	294,000,000	82,000,000
Cash flows from investing activities:
Expenditures for property, plant and equipment	(26,000,000)	(31,000,000)
Proceeds from sale of assets	0	65,000,000
Proceeds from U.S. Treasury cash grant	80,000,000	0
Net proceeds of cost method investments	0	12,000,000
Dividend received from the separation of New SAIC	0	295,000,000
Contribution paid related to the separation of New SAIC	0	(26,000,000)
Other	0	(3,000,000)
Total cash flows provided by investing activities of continuing operations	54,000,000	312,000,000
Cash flows from financing activities:
Payments of notes payable and long-term debt	(104,000,000)	(1,000,000)
Payments of deferred financing costs	0	(5,000,000)
Payments from New SAIC for deferred financing costs	0	5,000,000
Proceeds from real estate financing transaction	0	38,000,000
Proceeds from debt issuance	0	500,000,000
Distribution of debt to New SAIC	0	(500,000,000)
Sales of stock and exercises of stock options	6,000,000	11,000,000
Repurchases of stock	(213,000,000)	(17,000,000)
Dividend payments	(72,000,000)	(452,000,000)
Other	1,000,000	2,000,000
Total cash flows used in financing activities of continuing operations	(382,000,000)	(419,000,000)
Decrease in cash and cash equivalents from continuing operations	(34,000,000)	(25,000,000)
Cash flows from discontinued operations:
Cash (used in) provided by operating activities of discontinued operations	(5,000,000)	121,000,000
Cash provided by (used in) investing activities of discontinued operations	27,000,000	(17,000,000)
Cash used in financing activities of discontinued operations	22,000,000	104,000,000
Increase in cash and cash equivalents from discontinued operations	(12,000,000)	79,000,000
Cash and cash equivalents at beginning of period	430,000,000	735,000,000
Cash and cash equivalents at end of period	418,000,000	814,000,000
Leidos, Inc.
Cash flows from operations:
Net income (loss)	(362,000,000)	120,000,000
Loss (income) from discontinued operations	11,000,000	(83,000,000)
Adjustments to reconcile net (loss) income to net cash provided by operations:
Depreciation and amortization	50,000,000	64,000,000
Stock-based compensation	33,000,000	43,000,000
Goodwill impairment charges	486,000,000	0
Intangible asset impairment charges	41,000,000	51,000,000
Bad debt expense	3,000,000	45,000,000
Restructuring charges, net	1,000,000	18,000,000
Other	(2,000,000)	(3,000,000)
Change in assets and liabilities, net of effects of acquisitions and dispositions:
Receivables	29,000,000	(142,000,000)
Inventory, prepaid expenses and other current assets	2,000,000	27,000,000
Deferred income taxes	46,000,000	20,000,000
Other assets	(2,000,000)	3,000,000
Accounts payable and accrued liabilities	(11,000,000)	(7,000,000)
Accrued payroll and employee benefits	3,000,000	(46,000,000)
Income taxes receivable/payable	(22,000,000)	(14,000,000)
Other long-term liabilities	(12,000,000)	(14,000,000)
Total cash flows provided by operating activities of continuing operations	294,000,000	82,000,000
Cash flows from investing activities:
Proceeds on obligations of Leidos Holdings, Inc.	82,000,000	0
Payments on obligations of Leidos Holdings, Inc.	(360,000,000)	0
Expenditures for property, plant and equipment	(26,000,000)	(31,000,000)
Proceeds from sale of assets	0	65,000,000
Proceeds from U.S. Treasury cash grant	80,000,000	0
Net proceeds of cost method investments	0	12,000,000
Contribution paid related to the separation of New SAIC	0	(26,000,000)
Other	0	(3,000,000)
Total cash flows provided by investing activities of continuing operations	(224,000,000)	17,000,000
Cash flows from financing activities:
Proceeds on obligations of Leidos Holdings, Inc.	0	11,000,000
Payments on obligations of Leidos Holdings, Inc.	0	(442,000,000)
Payments of notes payable and long-term debt	(104,000,000)	(1,000,000)
Payments of deferred financing costs	0	(5,000,000)
Payments from New SAIC for deferred financing costs	0	5,000,000
Proceeds from real estate financing transaction	0	38,000,000
Other	0	2,000,000
Total cash flows used in financing activities of continuing operations	(104,000,000)	(392,000,000)
Decrease in cash and cash equivalents from continuing operations	(34,000,000)	(293,000,000)
Cash flows from discontinued operations:
Cash (used in) provided by operating activities of discontinued operations	(5,000,000)	121,000,000
Cash provided by (used in) investing activities of discontinued operations	27,000,000	(17,000,000)
Cash used in financing activities of discontinued operations	22,000,000	104,000,000
Increase in cash and cash equivalents from discontinued operations	(12,000,000)	(189,000,000)
Cash and cash equivalents at beginning of period	430,000,000	735,000,000
Cash and cash equivalents at end of period	$ 418,000,000	$ 546,000,000