Schedule of Stockholders' Equity (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Equity [Abstract]
Beginning Balance			$ 2,120
Net income	$ 16	$ 24	57	$ 140
Repurchase of common stock for treasury	(8)		(8)
Dividends paid on common stock			(28)
Share purchase for taxes, net of proceeds on employee-related plans			(3)
Other comprehensive income, net of tax	(3)	$ 17	11	$ 23
Adjustment for adoption of the new revenue accounting standard			(4)
Acquisition escrow shares returned			(1)
Amortization of long-term incentive stock grants			12
Ending Balance	$ 2,156		$ 2,156