Consolidated Statements Of Cash Flows (Parenthetical) - USD ($) $ in Millions	11 Months Ended	12 Months Ended
	Jan. 01, 2016	Jan. 30, 2015	Jan. 31, 2014
Cash acquired in acquisitions	$ 2	$ 0	$ 0
Leidos, Inc.
Cash acquired in acquisitions	$ 2	$ 0	$ 0