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DERIVATIVES - Interest Rate Swap Contracts (Details) - USD ($)
$ in Millions
12 Months Ended
Jul. 31, 2021
Aug. 01, 2020
Aug. 03, 2019
Derivative [Line Items]      
Total amounts of expense line items presented in the Consolidated Statements of Operations in which the effects of cash flow hedges are recorded $ 204 $ 192 $ 181
(Loss) gain recognized in earnings 0 0 0
Cash flow hedges | Reclassification out of accumulated other comprehensive income (loss)      
Derivative [Line Items]      
Loss reclassified from comprehensive income into earnings $ (46) $ (25) $ 0