Schedule of Assets Held under Finance Leases (Detail) - USD ($) $ in Millions	Dec. 25, 2021	Dec. 26, 2020
Property, Plant and Equipment [Line Items]
Assets held under finance leases, Gross	$ 2,312	$ 2,318
Less accumulated depreciation	(1,835)	(1,776)
Total	477	542
Assets Held Under Finance Leases
Property, Plant and Equipment [Line Items]
Assets held under finance leases, Gross	162	181
Less accumulated depreciation	(123)	(122)
Total	39	59
Buildings
Property, Plant and Equipment [Line Items]
Assets held under finance leases, Gross	200	210
Buildings | Assets Held Under Finance Leases
Property, Plant and Equipment [Line Items]
Assets held under finance leases, Gross	19	34
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Assets held under finance leases, Gross	775	784
Furniture, fixtures and equipment | Assets Held Under Finance Leases
Property, Plant and Equipment [Line Items]
Assets held under finance leases, Gross	$ 143	$ 147