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Commitments (Details)
$ in Millions
Apr. 30, 2021
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
Unconditional purchase obligations $ 6,502
Fiscal year  
2021 1,100
2022 2,048
2023 1,980
2024 1,313
2025 54
Thereafter 7
Total $ 6,502