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GOODWILL AND INTANGIBLE ASSETS, NET - Identifiable Intangible Assets (Details) - USD ($) $ in Millions | Jan. 27, 2024 | Jul. 29, 2023
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Schedule of Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross | $ 1,134 | $ 1,135
Intangible assets, accumulated amortization | 474 | 438
Finite-lived intangible assets, net | 660 | 697
Indefinite-lived intangible assets, gross carrying amount | 1,159 | 1,160
Indefinite-lived intangible assets, accumulated amortization | 474 | 438
Indefinite-lived intangible assets, net carrying value | 685 | 722
Trademarks and tradenames |  |
Schedule of Intangible Assets [Line Items] |  |
Indefinite-lived intangible assets, gross | 25 | 25
Indefinite-lived intangible assets, net | 25 | 25
Customer relationships |  |
Schedule of Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross | 1,007 | 1,007
Intangible assets, accumulated amortization | 383 | 354
Finite-lived intangible assets, net | 624 | 653
Pharmacy prescription files |  |
Schedule of Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross | 33 | 33
Intangible assets, accumulated amortization | 25 | 22
Finite-lived intangible assets, net | 8 | 11
Operating lease intangibles |  |
Schedule of Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross | 6 | 6
Intangible assets, accumulated amortization | 5 | 5
Finite-lived intangible assets, net | 1 | 1
Trademarks and tradenames |  |
Schedule of Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross | 88 | 89
Intangible assets, accumulated amortization | 61 | 57
Finite-lived intangible assets, net | $ 27 | $ 32

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