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Lease (Details) - USD ($)
$ in Millions
3 Months Ended
Jan. 31, 2024
Jan. 31, 2023
Leases [Abstract]    
Operating Lease, Cost $ 15 $ 13
Variable Lease, Cost 7 4
Operating Lease, Payments 14 14
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability $ 12 $ 9