Summary of Significant Accounting Policies (Schedule of Supplementary Cash Flow Information) (Detail) - USD ($) $ in Millions	3 Months Ended
	Apr. 01, 2016	Apr. 03, 2015
Accounting Policies [Abstract]
Accrued dividends declared	$ 0	$ 25
Interest Paid	13	0
Cash paid for interest	$ 17	$ 60