Consolidated Condensed Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2017	Jan. 31, 2016
Statement of Comprehensive Income [Abstract]
Net earnings	$ 611	$ 592
Change in unrealized gains on available-for-sale securities:
Unrealized gains arising during the period	3	0
Change in unrealized components of cash flow hedges:
Unrealized (losses) gains arising during the period	(169)	105
Gains reclassified into earnings	(71)	(34)
Change in unrealized components of cash flow hedges	(240)	71
Change in unrealized components of defined benefit plans:
Amortization of actuarial loss and prior service benefit	20	12
Other comprehensive (loss) income before taxes	(217)	83
(Provision for) benefit from taxes	(14)	16
Other comprehensive (loss) income, net of taxes	(231)	99
Comprehensive income	$ 380	$ 691