Supplemental Cash Flow Information Related to Leases (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
Leases [Abstract]
Operating cash flows from finance leases	$ 3	$ 4	$ 5
Operating cash flows from operating leases	408	447	473
Financing cash flows from finance leases	22	20	21
Right-of-use assets obtained in exchange for new finance lease liabilities	3	29	27
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 127	$ 117	$ 327