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Commitments (Tables)
 6 Months Ended
Apr. 30, 2022
Commitments and Contingencies Disclosure [Abstract]  
Future Unconditional Purchase Obligations
As of April 30, 2022, unconditional purchase obligations were as follows:
Fiscal yearIn millions
2022(1)
$1,528 
20232,313 
20241,479 
202574 
20265 
Thereafter13 
Total$5,412 
(1) Represents expected unconditional purchase obligations for the remaining six months of the fiscal year 2022.