Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Statement of Comprehensive Income [Abstract]
Net earnings	$ 2,529	$ 2,775	$ 3,263
Change in unrealized components of available-for-sale debt securities:
Unrealized gains arising during the period	16	8	2
Change in unrealized components of cash flow hedges:
Unrealized (losses) gains arising during the period	(211)	51	(427)
Losses (gains) reclassified into earnings	98	(274)	(84)
Change in unrealized components of cash flow hedges	(113)	(223)	(511)
Change in unrealized components of defined benefit plans:
Unrealized gains (losses) arising during the period	30	(76)	(141)
Amortization of actuarial loss and prior service benefit	21	8	0
Curtailments, settlements and other	6	2	0
Change in unrealized components of defined benefit plans	57	(66)	(141)
Change in cumulative translation adjustment	12	24	23
Other comprehensive loss before taxes	(28)	(257)	(627)
Benefit from taxes	5	46	119
Other comprehensive loss, net of taxes	(23)	(211)	(508)
Comprehensive income	$ 2,506	$ 2,564	$ 2,755