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Guarantees, Indemnifications and Warranties (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 31, 2022
Oct. 31, 2021
Changes in aggregated product warranty liabilities    
Balance at beginning of year $ 959 $ 993
Accruals for warranties issued 948 1,003
Adjustments related to pre-existing warranties (including changes in estimates) (43) 28
Settlements made (in cash or in kind) (988) (1,065)
Balance at end of year $ 876 $ 959