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INCOME TAXES - Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2021	Aug. 01, 2020	Aug. 03, 2019
Income Tax Disclosure [Abstract]
Computed “expected” tax expense	$ 39	$ (72)	$ (71)
State and local income tax, net of Federal income tax benefit	10	(19)	(18)
Non-deductible expenses	7	3	6
Tax effect of share-based compensation	(3)	2	0
General business credits	(6)	(2)	(2)
Unrecognized tax benefits	(4)	(8)	(8)
Nondeductible goodwill impairment	0	44	33
Enhanced Inventory Donations	(3)	(2)	(1)
Impacts related to the CARES Act	0	(39)	0
Other, net	(6)	2	2
Total income tax expense (benefit)	$ 34	$ (91)	$ (59)

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Effective Income Tax Rate Reconciliation, CARES Act, Amount

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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