Taxes on Earnings - Schedule of Significant Components of Deferred Tax Assets and Deferred Tax Liabilities (Details) - USD ($) $ in Millions	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2022
Deferred tax assets:
Loss and credit carryforwards	$ 6,792	$ 7,050
Intercompany transactions—excluding inventory	208	357
Fixed assets	107	113
Warranty	81	100
Employee and retiree benefits	226	242
Deferred revenue	244	240
Capitalized research and development	1,187	1,014
Operating lease liabilities	244	272
Investment in partnership	672	710
Other	393	395
Gross deferred tax assets	10,154	10,493
Valuation allowances	(6,479)	(6,688)	$ (6,994)	$ (7,592)
Total deferred tax assets	3,675	3,805
Deferred tax liabilities:
Unremitted earnings of foreign subsidiaries	(36)	(107)
Right-of-use assets from operating leases	(211)	(235)
Intangible assets	(121)	(159)
Cash flow hedges	(5)	(24)
Total deferred tax liabilities	(373)	(525)
Total	$ 3,302	$ 3,280