Consolidated Condensed Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023
Statement of Comprehensive Income [Abstract]
Net earnings	$ 640	$ 766	$ 1,869	$ 2,289
Change in unrealized components of available-for-sale debt securities:
Unrealized gains arising during the period	3	1	7	5
Change in unrealized components of cash flow hedges:
Unrealized losses arising during the period	(36)	(68)	(47)	(757)
(Gains) losses reclassified into earnings	(87)	68	(251)	(104)
Change in unrealized components of cash flow hedges	(123)	0	(298)	(861)
Change in unrealized components of defined benefit plans:
Gains arising during the period	0	0	13	5
Amortization of actuarial loss and prior service benefit	1	0	5	0
Curtailments, settlements and other	1	0	2	0
Change in unrealized components of defined benefit plans	2	0	20	5
Change in cumulative translation adjustment	11	10	25	48
Other comprehensive (loss) income before taxes	(107)	11	(246)	(803)
Benefit from taxes	24	3	54	164
Other comprehensive (loss) income, net of taxes	(83)	14	(192)	(639)
Comprehensive income	$ 557	$ 780	$ 1,677	$ 1,650