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Stockholders' Equity - Share-based Payment Arrangement Expensed and Capitalized, Amount (Details)
$ in Millions
Oct. 31, 2021
USD ($)
Share-based Payment Arrangement [Abstract]  
Remaining three months of fiscal 2022 $ 791
Fiscal 2023 2,457
Fiscal 2024 1,642
Fiscal 2025 963
Thereafter 172
Total stock-based expense $ 6,025