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LEASES - Schedule of Other Information Related to Leases (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2021	Aug. 01, 2020
Leases [Abstract]
Operating Lease, Weighted Average Remaining Lease Term	10 years 8 months 12 days	10 years 4 months 24 days
Finance Lease, Weighted Average Remaining Lease Term	2 years	3 years 1 month 6 days
Operating Lease, Weighted Average Discount Rate, Percent	9.70%	10.60%
Finance Lease, Weighted Average Discount Rate, Percent	8.70%	8.80%
Operating cash flows from operating leases	$ 220	$ 231
Operating cash flows from finance leases	12	9
Financing cash flows from finance leases	9	20
Lease assets obtained in exchange for new finance lease liabilities	0	93
Leased assets obtained in exchange for new operating lease liabilities	$ 263	$ 195

X

- Definition

Amount of interest paid on finance lease liability.

+ References

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-Name Accounting Standards Codification
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- Definition

Amount of cash outflow for principal payment on finance lease.

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Weighted average discount rate for finance lease calculated at point in time.

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Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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