Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024
Statement of Comprehensive Income [Abstract]
Net earnings	$ 763	$ 640	$ 1,734	$ 1,869
Change in unrealized components of available-for-sale debt securities:
Unrealized gains arising during the period	5	3	11	7
Change in unrealized components of cash flow hedges:
Unrealized gains (losses) arising during the period	59	(36)	(301)	(47)
Losses (gains) reclassified into earnings	202	(87)	11	(251)
Change in unrealized components of cash flow hedges	261	(123)	(290)	(298)
Change in unrealized components of defined benefit plans:
Unrealized (losses) gains arising during the period	(7)	0	(8)	13
Amortization of actuarial loss and prior service benefit	5	1	15	5
Curtailments, settlements and other	2	1	2	2
Change in unrealized components of defined benefit plans	0	2	9	20
Change in cumulative translation adjustment	(1)	11	16	25
Other comprehensive income (loss) before taxes	265	(107)	(254)	(246)
(Provision for) benefit from taxes	(63)	24	47	54
Other comprehensive income (loss), net of taxes	202	(83)	(207)	(192)
Comprehensive income	$ 965	$ 557	$ 1,527	$ 1,677