Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net earnings	$ 3,484	$ 3,345	$ 2,912
Gains on cash flow hedges	97	36	341
Unrealized gains on marketable securities	0	0	9
Foreign currency translation adjustments	186	(300)	348
Change in retirement plans’ funded status	(886)	(61)	20
Other comprehensive (loss) income, pretax	(603)	(325)	718
Benefit (provision) for income tax, net	162	5	(151)
Other comprehensive (loss) income, net of tax	(441)	(320)	567
Comprehensive income	$ 3,043	$ 3,025	$ 3,479

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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