Stockholders' Deficit - Tax Effects Related to Other Comprehensive (Loss) Income (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Components of accumulated other comprehensive income, net of taxes
Tax (provision) benefit on other comprehensive income (loss)	$ (26)	$ 32
Tax provision on unrealized gains arising during the period
Components of accumulated other comprehensive income, net of taxes
Tax effects on change arising during the period	0	(1)
Net unrealized (losses) gains on cash flow hedges
Components of accumulated other comprehensive income, net of taxes
Tax effects on change arising during the period	(32)	47
Tax effects on reclassification into earnings	12	(4)
Tax (provision) benefit on other comprehensive income (loss)	(20)	43
Tax provision on gains arising during the period
Components of accumulated other comprehensive income, net of taxes
Tax effects on change arising during the period	(6)	0
Tax benefit on amortization of actuarial loss and prior service benefit
Components of accumulated other comprehensive income, net of taxes
Tax effects on reclassification into earnings	(1)	(5)
Unrealized components of defined benefit plans
Components of accumulated other comprehensive income, net of taxes
Tax (provision) benefit on other comprehensive income (loss)	(7)	(5)
Change in cumulative translation adjustment
Components of accumulated other comprehensive income, net of taxes
Tax (provision) benefit on other comprehensive income (loss)	$ 1	$ (5)