Consolidated Condensed Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023
Statement of Comprehensive Income [Abstract]
Net earnings	$ 607	$ 1,054	$ 1,229	$ 1,523
Change in unrealized components of available-for-sale debt securities:
Unrealized gains arising during the period	0	0	4	4
Change in unrealized components of cash flow hedges:
Unrealized gains (losses) arising during the period	151	(66)	(11)	(689)
(Gains) losses reclassified into earnings	(5)	162	(164)	(172)
Change in unrealized components of cash flow hedges	146	96	(175)	(861)
Change in unrealized components of defined benefit plans:
Gains arising during the period	23	6	13	5
Amortization of actuarial loss and prior service benefit	2	0	4	0
Curtailments, settlements and other	1	(1)	1	0
Change in unrealized components of defined benefit plans	26	5	18	5
Change in cumulative translation adjustment	(6)	9	14	38
Other comprehensive income (loss) before taxes	166	110	(139)	(814)
(Provision for) benefit from taxes	(40)	(22)	30	161
Other comprehensive income (loss), net of taxes	126	88	(109)	(653)
Comprehensive income (loss)	$ 733	$ 1,142	$ 1,120	$ 870