Taxes on Earnings (Details) $ in Millions	3 Months Ended
	Jan. 31, 2025 USD ($) country	Jan. 31, 2024 USD ($)
Income Tax Disclosure [Abstract]
Effective tax rate (as a percent)	19.70%	21.60%
Excess tax benefits	$ 15
Unrecognized tax benefits	1,200
Unrecognized tax benefits that would impact effective tax rate	873
Unrecognized decrease in tax benefits change	9
Penalties and interest accrued	$ 145	$ 105
Likelihood of no resolution period	12 months
Reasonably possible decrease in existing unrecognized tax benefits within the next 12 months	$ 166
Other countries with income tax jurisdiction | country	61