Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement of Comprehensive Income [Abstract]
Net earnings	$ 590	$ 434	$ 1,485	$ 1,269
Other comprehensive income (loss), net of tax:
Marketable securities	0	(3)	(1)	(3)
Pension plans	(3)	14	(1)	4
Unrealized gains (losses) on designated hedges	6	(6)	23	(7)
Financial statement translation	(50)	87	(72)	269
Total other comprehensive income (loss), net of tax	(47)	92	(51)	263
Comprehensive income	$ 543	$ 526	$ 1,434	$ 1,532

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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