Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net earnings	$ 3,367	$ 1,877	$ 4,953	$ 6,549
Other comprehensive income/(loss) adjustments, net of tax:
Currency translation	(13)	(9)	(74)	2
Debt valuation adjustment	(268)	278	428	(1,450)
Pension and postretirement liabilities	(2)	(5)	1	(14)
Available-for-sale securities	(11)	67	494	285
Other comprehensive income/(loss)	(294)	331	849	(1,177)
Comprehensive income	$ 3,073	$ 2,208	$ 5,802	$ 5,372