Summary of Major Components of Merger and Restructuring Expenses, Net (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Dec. 25, 2021
Merger and transaction related expenses
Transaction and integration		$ (7)
Total Merger and transaction related expenses		(7)
Restructuring expenses
Severance	$ 1	(13)	$ (2)
Professional fees			1
Facility closure, contract termination, and other expenses, net	3	5	15
Total Restructuring expenses, net	4	(8)	14
Other operating expenses
Professional fees		54	37
Total Other operating expenses		54	37
Total Merger, restructuring and other operating expenses, net	$ 4	$ 39	$ 51