Accumulated Other Comprehensive Loss Activity, Net of Tax (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ 1,880	$ 2,173	$ 2,126
Other comprehensive income activity	32	41
Tax impact	(6)	(7)
Total other comprehensive income, net of tax, where applicable	26	34	33
Balance	1,438	1,880	2,173
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(27)	(29)
Other comprehensive income activity		2
Total other comprehensive income, net of tax, where applicable		2
Balance	(27)	(27)	(29)
Change in Deferred Pension
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(5)	(37)
Other comprehensive income activity	32	39
Tax impact	(6)	(7)
Total other comprehensive income, net of tax, where applicable	26	32
Balance	21	(5)	(37)
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(32)	(66)	(99)
Total other comprehensive income, net of tax, where applicable	26	34	33
Balance	$ (6)	$ (32)	$ (66)