Consolidated Statements of Comprehensive Income (Loss) - 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		$ 845	$ 716	$ 2,395	$ 2,021
Other comprehensive income (loss) before income taxes:
Unrealized foreign currency translation gains (losses) during period		(383)	(58)	(51)	325
Unrealized gains (losses) on fixed maturity securities:
Unrealized holding gains (losses) on fixed maturity securities during period	[1]	(866)	457	(3,099)	1,006
Reclassification adjustment for realized (gains) losses on fixed maturity securities included in net earnings	[1]	(37)	(50)	(11)	(33)
Unrealized gains (losses) on derivatives during period		(2)	(1)	2	0
Pension liability adjustment during period		1	1	1	(1)
Total other comprehensive income (loss) before income taxes		(1,287)	349	(3,158)	1,297
Income tax expense (benefit) related to items of other comprehensive income (loss)		(344)	219	(813)	396
Other comprehensive income (loss), net of income taxes	[2]	(943)	130	(2,345)	901
Total comprehensive income (loss)		$ (98)	$ 846	$ 50	$ 2,922

[1] See Note 1 of the Notes to the Consolidated Financial Statements for the adoption of accounting guidance on January 1, 2018 related to financial instruments.

[2] All amounts in the table above are net of tax.