Stockholders’ Deficit - Schedule of Accumulated Other Comprehensive Loss, Net of Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2020
Components of accumulated other comprehensive income, net of taxes
Balance at beginning of period	$ (1,644)	$ (2,275)	$ (1,211)
Other comprehensive (losses) gains before reclassifications	1,101
Losses reclassified into earnings	(570)
Balance at end of period	(3,025)	(1,644)	(2,275)
Accumulated other comprehensive loss
Components of accumulated other comprehensive income, net of taxes
Balance at beginning of period	(245)	(1,243)	(1,225)
Balance at end of period	285	(245)	(1,243)
Net unrealized gains on available-for-sale securities
Components of accumulated other comprehensive income, net of taxes
Balance at beginning of period	15
Other comprehensive (losses) gains before reclassifications	(9)	4	2
Losses reclassified into earnings	0
Balance at end of period	6	15
Net unrealized gains (losses) on cash flow hedges
Components of accumulated other comprehensive income, net of taxes
Balance at beginning of period	19
Other comprehensive (losses) gains before reclassifications	1,213	(141)	(181)
Losses reclassified into earnings	(584)	226	$ (57)
Balance at end of period	648	19
Unrealized components of defined benefit plans
Components of accumulated other comprehensive income, net of taxes
Balance at beginning of period	(308)
Other comprehensive (losses) gains before reclassifications	(28)
Losses reclassified into earnings	14
Balance at end of period	(323)	(308)
Change in cumulative translation adjustment
Components of accumulated other comprehensive income, net of taxes
Balance at beginning of period	29
Other comprehensive (losses) gains before reclassifications	(75)
Losses reclassified into earnings	0
Balance at end of period	(46)	$ 29
Reclassifications of curtailments, settlements and other into earnings
Components of accumulated other comprehensive income, net of taxes
Losses reclassified into earnings	$ (1)