Summary of Significant Accounting Policies (Schedule of Supplementary Cash Flow Information) (Detail) - USD ($) $ in Millions	6 Months Ended
	Jul. 03, 2015	Aug. 01, 2014
Accounting Policies [Abstract]
Vested stock issued as settlement of annual bonus accruals	$ 1	$ 1
Stock issued in lieu of cash dividends	1	2
Cash paid for interest (including discontinued operations)	33	37
Accrued dividends declared	24	0
Cash paid for income taxes, net of refunds (including discontinued operations)	$ 87	$ 12