Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	11 Months Ended		12 Months Ended
	Jan. 01, 2016	Jan. 02, 2015	Jan. 30, 2015	Jan. 31, 2014
Net income (loss)	$ 242	$ (334)	$ (323)	$ 164
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(1)	(1)	(2)	0
Deferred taxes	0	0	1	0
Foreign currency translation adjustments, net of tax	(1)	(1)	(1)	0
Reclassification of realized loss on settled derivative instruments to net income	1	1	0	0
Deferred taxes	0	0	0	0
Reclassification of realized loss on settled derivative instruments to net income, net of tax	1	1	0	0
Pension liability adjustments	5	(6)	(7)	(6)
Deferred taxes	(2)	2	3	2
Pension liability adjustments, net of tax	3	(4)	(4)	(4)
Total other comprehensive income (loss), net of tax	3	(4)	(5)	(4)
Comprehensive income (loss)	245	(338)	(328)	160
Leidos, Inc.
Net income (loss)	248	(328)	(317)	166
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(1)	(1)	(2)	0
Deferred taxes	0	0	1	0
Foreign currency translation adjustments, net of tax	(1)	(1)	(1)	0
Reclassification of realized loss on settled derivative instruments to net income	1	1	0	0
Deferred taxes	0	0	0	0
Reclassification of realized loss on settled derivative instruments to net income, net of tax	1	1	0	0
Pension liability adjustments	5	(6)	(7)	(6)
Deferred taxes	(2)	2	3	2
Pension liability adjustments, net of tax	3	(4)	(4)	(4)
Total other comprehensive income (loss), net of tax	3	(4)	(5)	(4)
Comprehensive income (loss)	$ 251	$ (332)	$ (322)	$ 162