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LONG-TERM DEBT - Schedule of Long-term Debt (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2021	Aug. 01, 2020
Debt Instrument [Line Items]
Debt issuance costs, net	$ (35)	$ (46)
Original issue discount on debt	(17)	(36)
Long-term debt, including current portion	2,188	2,498
Less: current portion of long-term debt	(13)	(71)
Long-term debt	$ 2,175	2,427
ABL Credit Facility
Debt Instrument [Line Items]
Average Interest Rate	1.52%
Long-term debt, gross	$ 701	757
Other secured loans
Debt Instrument [Line Items]
Average Interest Rate	5.16%
Long-term debt, gross	$ 37	50
Secured Debt | Term Loan Facility
Debt Instrument [Line Items]
Average Interest Rate	3.59%
Long-term debt, gross	$ 1,002	1,773
Debt issuance costs, net	(18)
Original issue discount on debt	$ (17)
Senior Notes | 6.750% Senior Notes Due 2029
Debt Instrument [Line Items]
Average Interest Rate	6.75%
Long-term debt, gross	$ 500	$ 0

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