Consolidated Condensed Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2023	Jul. 31, 2022
Statement of Comprehensive Income [Abstract]
Net earnings	$ 766	$ 1,122	$ 2,289	$ 3,155
Change in unrealized components of available-for-sale debt securities:
Unrealized gains (losses) arising during the period	1	(1)	5	(7)
Change in unrealized components of cash flow hedges:
Unrealized (losses) gains arising during the period	(68)	280	(757)	1,182
Losses (gains) reclassified into earnings	68	(327)	(104)	(491)
Change in unrealized components of cash flow hedges total	0	(47)	(861)	691
Change in unrealized components of defined benefit plans:
Gains arising during the period	0	10	5	12
Amortization of actuarial loss and prior service benefit	0	5	0	16
Curtailments, settlements and other	0	(1)	0	(1)
Change in unrealized components of defined benefit plans total	0	14	5	27
Change in cumulative translation adjustment	10	(14)	48	(56)
Other comprehensive income (loss) before taxes	11	(48)	(803)	655
Benefit from (provision for) taxes	3	(62)	164	(172)
Other comprehensive income (loss), net of taxes	14	(110)	(639)	483
Comprehensive income	$ 780	$ 1,012	$ 1,650	$ 3,638