Stockholders’ Deficit - Taxes Related to Other Comprehensive (Loss) Income (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Tax benefit (provision) on other comprehensive income (loss)	$ 119	$ (109)	$ (219)
Tax (provision) benefit on unrealized gains (losses) arising during the period
Accumulated Other Comprehensive Income (Loss) [Line Items]
Tax benefit (provision) on unrealized (losses) gains arising during the period	(1)	2	(1)
Tax effect on change in unrealized components of cash flow hedges:
Accumulated Other Comprehensive Income (Loss) [Line Items]
Tax benefit (provision) on unrealized (losses) gains arising during the period	75	(328)	(9)
Tax benefit (provision) on reclassifications during the period	18	195	(17)
Tax benefit (provision) on other comprehensive income (loss)	93	(133)	(26)
Tax benefit (provision) on (losses) gains arising during the period
Accumulated Other Comprehensive Income (Loss) [Line Items]
Tax benefit (provision) on unrealized (losses) gains arising during the period	26	26	(183)
Tax benefit on amortization of actuarial loss and prior service benefit
Accumulated Other Comprehensive Income (Loss) [Line Items]
Tax benefit (provision) on reclassifications during the period	1	(6)	(17)
Tax (provision) benefit on curtailments, settlements and other
Accumulated Other Comprehensive Income (Loss) [Line Items]
Tax benefit (provision) on reclassifications during the period	0	(1)	9
Tax effects on change in unrealized components of defined benefit plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Tax benefit (provision) on other comprehensive income (loss)	27	19	(191)
Tax effect on change in cumulative translation adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Tax benefit (provision) on other comprehensive income (loss)	$ 0	$ 3	$ (1)