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Income Taxes - Breakdown Between Current and Noncurrent Net Deferred Tax Assets (Details) - USD ($)
$ in Millions
Jul. 30, 2022
Jul. 31, 2021
Income Tax Disclosure [Abstract]    
Deferred tax assets $ 4,449 $ 4,360
Deferred tax liabilities (55) (134)
Total net deferred tax assets $ 4,394 $ 4,226