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Financial Instruments - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Oct. 28, 2022
Oct. 29, 2021
Oct. 28, 2022
Oct. 29, 2021
Equity Securities and Other Investments        
Gain (Loss) on Securities [Line Items]        
Net unrealized gains (losses) on equity and other investments still held $ (7) $ (8) $ 1 $ 7