Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2022
Statement of Comprehensive Income [Abstract]
Net earnings	$ 2,775	$ 3,263	$ 3,132
Change in unrealized components of available-for-sale debt securities:
Unrealized gains (losses) arising during the period	8	2	(11)
Change in unrealized components of cash flow hedges:
Unrealized gains (losses) arising during the period	51	(427)	1,541
Gains reclassified into earnings	(274)	(84)	(779)
Change in unrealized components of cash flow hedges	(223)	(511)	762
Change in unrealized components of defined benefit plans:
Losses arising during the period	(76)	(141)	(54)
Amortization of actuarial loss and prior service benefit	8	0	20
Curtailments, settlements and other	2	0	0
Change in unrealized components of defined benefit plans	(66)	(141)	(34)
Change in cumulative translation adjustment	24	23	(78)
Other comprehensive (loss) income before taxes	(257)	(627)	639
Benefit from (provision for) taxes	46	119	(109)
Other comprehensive (loss) income, net of taxes	(211)	(508)	530
Comprehensive income	$ 2,564	$ 2,755	$ 3,662