Consolidated Statements Of Comprehensive Income (Loss) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues
Insurance premiums	$ 741	$ 672	$ 2,236	$ 2,000
Fee income	1,216	1,032	3,448	2,973
Net investment income	1,212	1,180	3,627	3,543
Realized gain (loss):
Total other-than-temporary impairment losses on securities	(6)	(22)	(21)	(61)
Net portion of OTTI recognized in OCI, pre-tax	2	3	10	9
Net other-than-temporary impairment losses on securities recognized in earnings	(4)	(19)	(11)	(52)
Realized gain (loss), excluding other-than-temporary impairment losses on securities	93	(9)	117	(53)
Total realized gain (loss)	89	(28)	106	(105)
Amortization of deferred gain on business sold through reinsurance	18	19	55	56
Other revenues	135	134	397	380
Total revenues	3,411	3,009	9,869	8,847
Expenses
Interest credited	631	627	1,900	1,871
Benefits	1,117	945	3,275	2,894
Commissions and other expenses	995	928	2,929	2,721
Interest and debt expense	67	67	201	196
Total expenses	2,810	2,567	8,305	7,682
Income (loss) before taxes	601	442	1,564	1,165
Federal income tax expense (benefit)	162	105	398	272
Net income (loss)	439	337	1,166	893
Other comprehensive income (loss), net of tax	(277)	(143)	1,359	(2,058)
Comprehensive income (loss)	$ 162	$ 194	$ 2,525	$ (1,165)
Earnings (Loss) Per Common Share - Basic
Net income (loss) (in dollars per share)	$ 1.69	$ 1.28	$ 4.45	$ 3.35
Earnings (Loss) Per Common Share - Diluted
Net income (loss) (in dollars per share)	$ 1.65	$ 1.23	$ 4.34	$ 3.24