Stockholders’ Deficit - Changes and Reclassifications Related to Other Comprehensive (Loss) Income, Net of Taxes (Details) - USD ($) $ in Millions	12 Months Ended
Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Unrealized gains (losses) arising during the period	$ (443)
(Gains) losses reclassified into earnings	(65)
Other comprehensive (loss) income, net of taxes	(508)	$ 530	$ 998
Unrealized gains (losses) arising during the period
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Unrealized gains (losses) arising during the period	1	(9)	4
(Gains) losses reclassified into earnings	0
Change in unrealized components of cash flow hedges
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Unrealized gains (losses) arising during the period	(352)	1,213	(141)
(Gains) losses reclassified into earnings	(66)	(584)	226
Other comprehensive (loss) income, net of taxes	(418)	629	85
(Losses) gains arising during the period
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Unrealized gains (losses) arising during the period	(115)	(28)	846
Amortization of actuarial loss and prior service benefit
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
(Gains) losses reclassified into earnings	1	14	63
Curtailments, settlements and other
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
(Gains) losses reclassified into earnings	0	(1)	(27)
Change in unrealized components of defined benefit plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Unrealized gains (losses) arising during the period	(115)
(Gains) losses reclassified into earnings	1
Other comprehensive (loss) income, net of taxes	(114)	(15)	882
Change in cumulative translation adjustment
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Unrealized gains (losses) arising during the period	23
(Gains) losses reclassified into earnings	0
Change in cumulative translation adjustment	$ 23	$ (75)	$ 27

Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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