Summary of Significant Accounting Policies (Schedule of Supplementary Cash Flow Information) (Detail) - USD ($) $ in Millions	6 Months Ended
	Jul. 01, 2016	Jul. 03, 2015
Accounting Policies [Abstract]
Accrued dividends declared	$ 0	$ 24
Interest Paid	43	33
Cash paid for interest	$ 38	$ 87