Accumulated Other Comprehensive Loss Activity, Net of Tax (Detail) $ in Millions	3 Months Ended
	Mar. 27, 2021 USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ 1,880
Balance	1,960
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(27)
Other comprehensive income activity	5
Balance	(22)
Change in Deferred Pension and Other
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(5)
Balance	(5)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(32)
Other comprehensive income activity	5
Balance	$ (27)