Taxes on Earnings - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2022
Income Tax Examination [Line Items]
Net income tax charges (benefits)	$ 43	$ (131)	$ (454)
Disposition of asset	104
Tax charges, foreign and domestic	215
Effective income tax rate reconciliation, tax settlement, domestic, amount	111		43
Income tax benefits on restructuring charges, separation costs, transformation costs and acquisition and other related charges	54	104	99
Excess tax benefits related to stock-based compensation	11	19
Income tax benefits, foreign tax audit matters			42
Pre-Separation tax matters			30
Effective income tax rate reconciliation, utilization of capital losses, amount			27
Effective income tax rate reconciliation, GILTI, amount			12
Effective income tax rate reconciliation, tax settlement, foreign, amount			11
Income tax benefits, reduced rates for subsidiaries in certain countries	$ 356	$ 857	$ 832
Income tax benefits, reduced rates for subsidiaries in certain countries (in dollars per share)	$ 0.27	$ 0.65	$ 0.63
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	$ 6
Undistributed earnings from non-U.S. operations	$ 9,300
Likelihood of conclusion period for certain federal, foreign and state tax issues	12 months
Foreign
Income Tax Examination [Line Items]
Change in enacted tax rate, expense (benefit)			$ (150)
Federal
Income Tax Examination [Line Items]
Income Tax Examination, Increase (Decrease) in Liability from Prior Year	$ 122
Likelihood of conclusion period for certain federal, foreign and state tax issues	12 months
Decrease in Unrecognized Tax Benefits is Reasonably Possible	$ 358