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BENEFIT PLANS - Amounts Recognized in Consolidated Balance Sheet (Details) - USD ($) $ in Millions | Jul. 31, 2021 | Aug. 01, 2020
--- | --- | ---
Pension Benefits |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Other long-term assets | $ 64 | $ 0
Pension and other postretirement benefit obligations | (38) | (267)
Accrued compensation and benefits | (1) | (2)
Total | 25 | (269)
Other Postretirement Benefits |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Other long-term assets | 0 | 0
Pension and other postretirement benefit obligations | (15) | (25)
Accrued compensation and benefits | (3) | 0
Total | $ (18) | $ (25)

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