Consolidated Statements Of Comprehensive Income (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 30, 2015	Jan. 31, 2014	Jan. 31, 2013
Net (loss) income	$ (323)	$ 164	$ 525
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	(2)	0	(1)
Deferred taxes	1	0	1
Foreign currency translation adjustments, net of tax	(1)	0	0
Reclassification of realized loss on settled derivative instruments to net income	0	0	0
Deferred taxes	0	0	0
Reclassification of realized loss on settled derivative instruments to net income, net of tax	0	0	0
Pension liability adjustments	(7)	(6)	14
Deferred taxes	3	2	(5)
Pension liability adjustments, net of tax	(4)	(4)	9
Total other comprehensive (loss) income, net of tax	(5)	(4)	9
Comprehensive (loss) income	(328)	160	534
Leidos, Inc.
Net (loss) income	(317)	166	526
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	(2)	0	(1)
Deferred taxes	1	0	1
Foreign currency translation adjustments, net of tax	(1)	0	0
Reclassification of realized loss on settled derivative instruments to net income	0	0	0
Deferred taxes	0	0	0
Reclassification of realized loss on settled derivative instruments to net income, net of tax	0	0	0
Pension liability adjustments	(7)	(6)	14
Deferred taxes	3	2	(5)
Pension liability adjustments, net of tax	(4)	(4)	9
Total other comprehensive (loss) income, net of tax	(5)	(4)	9
Comprehensive (loss) income	$ (322)	$ 162	$ 535