PROPERTY AND EQUIPMENT, NET - Property and Equipment, Net (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 30, 2022	Jul. 31, 2021
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 2,770	$ 2,738
Less accumulated depreciation and amortization	1,080	954
Property and equipment, net	1,690	1,784
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	137	138
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 998	1,020
Buildings and improvements | Minimum
Property, Plant and Equipment [Line Items]
Original Estimated Useful Lives	10 years
Buildings and improvements | Maximum
Property, Plant and Equipment [Line Items]
Original Estimated Useful Lives	40 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 241	177
Leasehold improvements | Minimum
Property, Plant and Equipment [Line Items]
Original Estimated Useful Lives	10 years
Leasehold improvements | Maximum
Property, Plant and Equipment [Line Items]
Original Estimated Useful Lives	20 years
Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,130	980
Equipment | Minimum
Property, Plant and Equipment [Line Items]
Original Estimated Useful Lives	3 years
Equipment | Maximum
Property, Plant and Equipment [Line Items]
Original Estimated Useful Lives	25 years
Motor vehicles
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 66	70
Motor vehicles | Minimum
Property, Plant and Equipment [Line Items]
Original Estimated Useful Lives	5 years
Motor vehicles | Maximum
Property, Plant and Equipment [Line Items]
Original Estimated Useful Lives	8 years
Finance lease assets
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 58	144
Finance lease assets | Minimum
Property, Plant and Equipment [Line Items]
Original Estimated Useful Lives	1 year
Finance lease assets | Maximum
Property, Plant and Equipment [Line Items]
Original Estimated Useful Lives	9 years
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 140	$ 209