Stockholders' Deficit - Changes and Reclassifications Related to Other Comprehensive Income, Net of Taxes (Details) - USD ($) $ in Millions	3 Months Ended
Jan. 31, 2023	Jan. 31, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Unrealized gains (losses) arising during the period	$ (514)
Gains reclassified into earnings	(256)
Other comprehensive (loss) income, net of taxes	(769)	$ 244
Unrealized gains (losses) arising during the period
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Unrealized gains (losses) arising during the period	3	(2)
Gains reclassified into earnings	0
Net unrealized (losses) gains on cash flow hedges
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Unrealized gains (losses) arising during the period	(517)	267
Gains reclassified into earnings	(256)	(32)
Other comprehensive (loss) income, net of taxes	(773)	235
(Losses) gains arising during the period
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Unrealized gains (losses) arising during the period	(29)	15
Amortization of actuarial loss and prior service benefit
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Gains reclassified into earnings	0	5
Curtailments, settlements and other
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Gains reclassified into earnings	1	0
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	(29)
Gains reclassified into earnings	0
Other comprehensive (loss) income, net of taxes	(28)	20
Change in cumulative translation adjustment
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Unrealized gains (losses) arising during the period	29
Gains reclassified into earnings	0
Change in cumulative translation adjustment	$ 29	$ (9)

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

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