Stockholders' Deficit - Tax Effects Related to Other Comprehensive (Loss) Income (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2023	Jan. 31, 2022
Components of accumulated other comprehensive income, net of taxes
Tax benefit (provision) on other comprehensive (loss) income	$ 192	$ (26)
Tax provision on unrealized gains arising during the period
Components of accumulated other comprehensive income, net of taxes
Tax benefit (provision) on unrealized (losses) gains arising during the period	(1)	0
Tax effect on change in unrealized components of cash flow hedges:
Components of accumulated other comprehensive income, net of taxes
Tax benefit (provision) on unrealized (losses) gains arising during the period	106	(32)
Tax benefit (provision) on reclassifications during the period	78	12
Tax benefit (provision) on other comprehensive (loss) income	184	(20)
Tax provision (benefit) on gains (losses) arising during the period
Components of accumulated other comprehensive income, net of taxes
Tax benefit (provision) on unrealized (losses) gains arising during the period	9	(6)
Tax benefit on amortization of actuarial loss and prior service benefit
Components of accumulated other comprehensive income, net of taxes
Tax benefit (provision) on reclassifications during the period	0	(1)
Unrealized components of defined benefit plans
Components of accumulated other comprehensive income, net of taxes
Tax benefit (provision) on other comprehensive (loss) income	9	(7)
Tax effect on change in cumulative translation adjustment
Components of accumulated other comprehensive income, net of taxes
Tax benefit (provision) on other comprehensive (loss) income	$ 0	$ 1