Consolidated Statements Of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenues
Insurance premiums	$ 708	$ 825	$ 2,252	$ 2,398
Fee income	1,376	1,469	3,899	3,929
Net investment income	1,259	1,254	3,630	3,627
Realized gain (loss):
Total other-than-temporary impairment losses on securities	(22)	(23)	(113)	(58)
Portion of loss recognized in other comprehensive income	9	5	37	20
Net other-than-temporary impairment losses on securities recognized in earnings	(13)	(18)	(76)	(38)
Realized gain (loss), excluding other-than-temporary impairment losses on securities	50	45	(45)	27
Total realized gain (loss)	37	27	(121)	(11)
Amortization of deferred gain on business sold through reinsurance	18	18	55	55
Other revenues	127	123	361	402
Total revenues	3,525	3,716	10,076	10,400
Expenses
Interest credited	642	622	1,914	1,876
Benefits	922	1,327	3,462	3,783
Commissions and other expenses	1,283	1,432	3,236	3,459
Interest and debt expense	66	67	202	204
Total expenses	2,913	3,448	8,814	9,322
Income (loss) before taxes	612	268	1,262	1,078
Federal income tax expense (benefit)	145	41	263	207
Net income (loss)	467	227	999	871
Other comprehensive income (loss), net of tax	182	(281)	2,532	(1,433)
Comprehensive income (loss)	$ 649	$ (54)	$ 3,531	$ (562)
Net Income (Loss) Per Common Share - Basic
Net income (loss) (in dollars per share)	$ 2.02	$ 0.91	$ 4.23	$ 3.45
Net Income (Loss) Per Common Share - Diluted
Net income (loss) (in dollars per share)	2.00	0.87	4.16	3.37
Cash dividends declared per common share	$ 0.25	$ 0.20	$ 0.75	$ 0.60