Property and Equipment Summary of Property and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
Jan. 02, 2021	Dec. 28, 2019
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 4,587	$ 4,373
Less accumulated depreciation and amortization	(2,566)	(2,298)
Property and equipment—net	$ 2,021	2,075
Minimum
Property, Plant and Equipment [Line Items]
Range of Useful Lives	3 years
Maximum
Property, Plant and Equipment [Line Items]
Range of Useful Lives	40 years
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 365	378
Buildings and building improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,471	1,411
Buildings and building improvements \| Minimum
Property, Plant and Equipment [Line Items]
Range of Useful Lives	10 years
Buildings and building improvements \| Maximum
Property, Plant and Equipment [Line Items]
Range of Useful Lives	40 years
Transportation equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,181	1,137
Transportation equipment \| Minimum
Property, Plant and Equipment [Line Items]
Range of Useful Lives	5 years
Transportation equipment \| Maximum
Property, Plant and Equipment [Line Items]
Range of Useful Lives	10 years
Warehouse equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 501	481
Warehouse equipment \| Minimum
Property, Plant and Equipment [Line Items]
Range of Useful Lives	5 years
Warehouse equipment \| Maximum
Property, Plant and Equipment [Line Items]
Range of Useful Lives	12 years
Office equipment, furniture and software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 961	867
Office equipment, furniture and software \| Minimum
Property, Plant and Equipment [Line Items]
Range of Useful Lives	3 years
Office equipment, furniture and software \| Maximum
Property, Plant and Equipment [Line Items]
Range of Useful Lives	7 years
Construction in process
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 108	$ 99

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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