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LONG-TERM DEBT - Line of Credit Facilities (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2021	Aug. 01, 2020
Line of Credit Facility [Line Items]
Availability	$ 2,099
Unused credit	1,280
ABL Loans
Line of Credit Facility [Line Items]
Availability	$ 701
Credit Facility | ABL Credit Facility
Line of Credit Facility [Line Items]
Unutilized commitment fees (as a percent)	0.25%
Credit Facility | Minimum | ABL Credit Facility
Line of Credit Facility [Line Items]
Unutilized commitment fees (as a percent)	0.25%
Credit Facility | Maximum | ABL Credit Facility
Line of Credit Facility [Line Items]
Unutilized commitment fees (as a percent)	0.375%
Credit Facility | Line of Credit | Base Rate | ABL Credit Facility
Line of Credit Facility [Line Items]
Spread on reference rate (as a percent)	0.25%
Credit Facility | Line of Credit | Base Rate | Minimum | ABL Credit Facility
Line of Credit Facility [Line Items]
Spread on reference rate (as a percent)	0.00%
Credit Facility | Line of Credit | Base Rate | Maximum | ABL Credit Facility
Line of Credit Facility [Line Items]
Spread on reference rate (as a percent)	0.50%
Credit Facility | Line of Credit | LIBOR and BA | ABL Credit Facility
Line of Credit Facility [Line Items]
Spread on reference rate (as a percent)	1.25%
Credit Facility | Line of Credit | LIBOR and BA | Minimum | ABL Credit Facility
Line of Credit Facility [Line Items]
Spread on reference rate (as a percent)	1.00%
Credit Facility | Line of Credit | LIBOR and BA | Maximum | ABL Credit Facility
Line of Credit Facility [Line Items]
Spread on reference rate (as a percent)	1.50%
Letter of Credit
Line of Credit Facility [Line Items]
Availability	$ 118
Letter of Credit | ABL Credit Facility
Line of Credit Facility [Line Items]
Letter of credit fees (as a percent)	1.375%
Letter of Credit | Minimum | ABL Credit Facility
Line of Credit Facility [Line Items]
Letter of credit fees (as a percent)	1.125%
Letter of Credit | Maximum | ABL Credit Facility
Line of Credit Facility [Line Items]
Letter of credit fees (as a percent)	1.625%
Certain inventory assets included in Inventories, net and Current assets of discontinued operations | Credit Facility | Line of Credit
Line of Credit Facility [Line Items]
Debt instrument, collateral amount	$ 2,297	$ 2,271
Certain receivables included in Accounts receivable, net and Current assets of discontinued operations | Credit Facility | Line of Credit
Line of Credit Facility [Line Items]
Debt instrument, collateral amount	$ 1,041	$ 1,078

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Amount of assets pledged to secure a debt instrument.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (d)
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- Definition

Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(b))
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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

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