Summary of Major Components of Merger and Restructuring Expenses, Net (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 25, 2022	Jun. 26, 2021	Jun. 25, 2022	Jun. 26, 2021
Merger and transaction related expenses
Transaction and integration				$ 1
Total Merger and transaction related expenses				1
Restructuring expenses
Severance	$ (1)	$ (2)	$ (1)	(1)
Facility closure, contract termination, and other expenses, net	1		2	9
Total Restructuring expenses, net		(2)	1	8
Other operating expenses
Professional fees	23	13	33	14
Total Other operating expenses	23	13	33	14
Total Merger, restructuring and other operating expenses, net	$ 23	$ 11	$ 34	$ 23