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Guarantees, Indemnifications and Warranties (Details)
$ in Millions
3 Months Ended
Jan. 31, 2022
USD ($)
Changes in aggregated product warranty liabilities  
Balance at beginning of period $ 959
Accruals for warranties issued 234
Adjustments related to pre-existing warranties (including changes in estimates) (14)
Settlements made (in cash or in kind) (254)
Balance at end of period $ 925