Consolidated Condensed Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Statement of Comprehensive Income [Abstract]
Net earnings	$ 1,086	$ 1,068
Change in unrealized components of available-for-sale debt securities:
Unrealized (loss) gains arising during the period	(2)	4
Change in unrealized components of cash flow hedges:
Unrealized gains (losses) arising during the period	299	(366)
(Gains) losses reclassified into earnings	(44)	49
Change in unrealized components of cash flow hedges	255	(317)
Change in unrealized components of defined benefit plans:
Gains (losses) arising during the period	21	(1)
Amortization of actuarial loss and prior service benefit	6	21
Curtailments, settlements and other	0	1
Change in unrealized components of defined benefit plans	27	21
Change in cumulative translation adjustment	(10)	30
Other comprehensive income (loss) before taxes	270	(262)
(Provision for) benefit from taxes	(26)	32
Other comprehensive income (loss), net of taxes	244	(230)
Comprehensive income	$ 1,330	$ 838