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Financial Instruments - Summary of Equity and Other Investments (Details) - Other Assets - USD ($)
$ in Millions
Jul. 30, 2021
Apr. 30, 2021
Schedule of Equity Method Investments [Line Items]    
Investments with readily determinable fair value (marketable equity securities) $ 74 $ 74
Investments without readily determinable fair values 540 537
Equity method and other investments 78 76
Total equity and other investments $ 692 $ 687