Consolidated Condensed Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2022	Apr. 30, 2021
Statement of Comprehensive Income [Abstract]
Net earnings	$ 1,000	$ 1,228	$ 2,086	$ 2,296
Change in unrealized components of available-for-sale debt securities:
Unrealized (loss) gains arising during the period	(4)	0	(6)	4
Change in unrealized components of cash flow hedges:
Unrealized gains (losses) arising during the period	603	(21)	902	(387)
(Gains) losses reclassified into earnings	(120)	149	(164)	198
Change in unrealized components of cash flow hedges	483	128	738	(189)
Change in unrealized components of defined benefit plans:
Gains arising during the period	1	42	22	41
Amortization of actuarial loss and prior service benefit	5	21	11	42
Curtailments, settlements and other	0	0	0	1
Change in unrealized components of defined benefit plans	6	63	33	84
Change in cumulative translation adjustment	(32)	3	(42)	33
Other comprehensive income (loss) before taxes	453	194	723	(68)
Provision for taxes	(90)	(41)	(116)	(9)
Other comprehensive income (loss), net of taxes	363	153	607	(77)
Comprehensive income	$ 1,363	$ 1,381	$ 2,693	$ 2,219