v3.26.1
Taxes on Earnings (Details)
$ in Millions
3 Months Ended 9 Months Ended
Jul. 31, 2026
USD ($)
country
Jul. 31, 2025
Jul. 31, 2026
USD ($)
country
Jul. 31, 2025
Oct. 31, 2025
USD ($)
Income Tax Disclosure [Abstract]          
Effective tax rate (as a percent) 17.20% (22.30%) 15.60% 5.50%  
Unrecognized tax benefits $ 752   $ 752    
Unrecognized tax benefits that would impact effective tax rate 615   615    
Unrecognized increase (decrease) in tax benefits change     (113)    
Penalties and interest accrued $ 71   $ 71   $ 122
Other countries with income tax jurisdiction | country 60   60