Consolidated Condensed Statements of Comprehensive (Loss) Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2025	Apr. 30, 2024
Statement of Comprehensive Income [Abstract]
Net earnings	$ 406	$ 607	$ 971	$ 1,229
Change in unrealized components of available-for-sale debt securities:
Unrealized gains arising during the period	2	0	6	4
Change in unrealized components of cash flow hedges:
Unrealized (losses) gains arising during the period	(692)	151	(360)	(11)
Gains reclassified into earnings	(148)	(5)	(191)	(164)
Change in unrealized components of cash flow hedges	(840)	146	(551)	(175)
Change in unrealized components of defined benefit plans:
Unrealized (losses) gains arising during the period	(2)	23	(1)	13
Amortization of actuarial loss and prior service benefit	5	2	10	4
Curtailments, settlements and other	1	1	0	1
Change in unrealized components of defined benefit plans	4	26	9	18
Change in cumulative translation adjustment	30	(6)	17	14
Other comprehensive (loss) income before taxes	(804)	166	(519)	(139)
Benefit from (provision for) taxes	165	(40)	110	30
Other comprehensive (loss) income, net of taxes	(639)	126	(409)	(109)
Comprehensive income (loss)	$ (233)	$ 733	$ 562	$ 1,120