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GOODWILL AND INTANGIBLE ASSETS, NET - Narrative (Details) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 02, 2019 USD ($) | Jul. 31, 2021 USD ($) reportingUnit | Aug. 01, 2020 USD ($) | Aug. 03, 2019 USD ($)
Goodwill [Line Items] |  |  |  |
Number of reporting units | reportingUnit |  | 5 |  |
Projected future cash flows weighted average cost of capital | 8.50% |  |  |
Goodwill impairment charges | $ |  |  | $ 424 |
Weighted average cost of capital |  |  |  | 10.00%
Goodwill impairment charges | $ |  | $ 0 | 425 | $ 293
Amortization expense | $ |  | $ 78 | $ 91 | $ 70
Wholesale |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill impairment charges | $ | $ 422 |  |  |
Wholesale |  |  |  |
Goodwill [Line Items] |  |  |  |
Number of reporting units | reportingUnit |  | 2 |  |
Legacy Company and Canada Wholesale Reporting Units |  |  |  |
Goodwill [Line Items] |  |  |  |
Reporting units in excess of their carrying values (as a percent) |  |  |  | 20.00%
Retail |  |  |  |
Goodwill [Line Items] |  |  |  |
Number of reporting units | reportingUnit |  | 1 |  |
Separate Operating Segments |  |  |  |
Goodwill [Line Items] |  |  |  |
Number of reporting units | reportingUnit |  | 2 |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123351718&loc=d3e2420-110228 + Details
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