Consolidated Statements 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	$ 2,083	$ 3,553	$ 1,020
Other comprehensive income (loss), net of tax
Marketable securities	1	0	(4)
Pension plans	(42)	(3)	(2)
Unrealized gains (losses) on designated hedges	(3)	22	4
Financial statement translation	69	(97)	210
Total other comprehensive income (loss), net of tax	25	(78)	208
Comprehensive income	$ 2,108	$ 3,475	$ 1,228

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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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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