Condensed Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 01, 2013	Oct. 31, 2012	Nov. 01, 2013	Oct. 31, 2012
Net (loss) income	$ (3)	$ 112	$ 120	$ 339
Other comprehensive income, net of tax:
Foreign currency translation adjustments	0	0	0	(1)
Deferred taxes	0	0	0	1
Foreign currency translation adjustments, net of tax	0	0	0	0
Pension liability adjustments	0	0	0	16
Deferred taxes	0	0	0	(6)
Pension liability adjustments, net of tax	0	0	0	10
Total other comprehensive income, net of tax	0	0	0	10
Comprehensive income	(3)	112	120	349
Leidos, Inc.
Net (loss) income	(3)	112	120	339
Other comprehensive income, net of tax:
Foreign currency translation adjustments	0	0	0	(1)
Deferred taxes	0	0	0	1
Foreign currency translation adjustments, net of tax	0	0	0	0
Pension liability adjustments	0	0	0	16
Deferred taxes	0	0	0	(6)
Pension liability adjustments, net of tax	0	0	0	10
Total other comprehensive income, net of tax	0	0	0	10
Comprehensive income	$ (3)	$ 112	$ 120	$ 349