Accumulated Other Comprehensive Income (Loss) Activity, Net of Tax (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jul. 01, 2017	Jul. 01, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		$ 1,852
Other comprehensive income activity before reclassifications		18
Reclassification of foreign currency translation adjustments realized upon disposal of business	$ 5	5
Ending Balance	1,975	1,975
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		(67)
Other comprehensive income activity before reclassifications		18
Reclassification of foreign currency translation adjustments realized upon disposal of business		5
Ending Balance	(44)	(44)
Change in Deferred Pension and Other
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		(62)
Ending Balance	(62)	(62)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		(129)
Ending Balance	$ (106)	$ (106)