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Guarantees, Indemnifications and Warranties (Details)
$ in Millions
6 Months Ended
Apr. 30, 2023
USD ($)
Changes in aggregated product warranty liabilities  
Balance at beginning of period $ 876
Accruals for warranties issued 329
Adjustments related to pre-existing warranties (including changes in estimates) 12
Settlements made (in cash or in kind) (436)
Balance at end of period $ 781