Consolidated Statements Of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenues
Insurance premiums	$ 782	$ 755	$ 1,572	$ 1,494
Fee income	1,239	1,134	2,460	2,232
Net investment income	1,187	1,207	2,374	2,415
Realized gain (loss):
Total other-than-temporary impairment losses on securities	(14)	(5)	(35)	(15)
Portion of loss recognized in other comprehensive income	7	2	15	8
Net other-than-temporary impairment losses on securities recognized in earnings	(7)	(3)	(20)	(7)
Realized gain (loss), excluding other-than-temporary impairment losses on securities	17	38	(18)	23
Total realized gain (loss)	10	35	(38)	16
Amortization of deferred gain on business sold through reinsurance	18	18	37	37
Other revenues	145	133	280	263
Total revenues	3,381	3,282	6,685	6,457
Expenses
Interest credited	629	636	1,254	1,269
Benefits	1,220	1,079	2,456	2,157
Commissions and other expenses	1,014	963	2,027	1,934
Interest and debt expense	69	67	137	134
Total expenses	2,932	2,745	5,874	5,494
Income (loss) before taxes	449	537	811	963
Federal income tax expense (benefit)	105	139	167	236
Net income (loss)	344	398	644	727
Other comprehensive income (loss), net of tax	(1,709)	746	(1,152)	1,636
Comprehensive income (loss)	$ (1,365)	$ 1,144	$ (508)	$ 2,363
Earnings (Loss) Per Common Share - Basic
Net income (loss) (in dollars per share)	$ 1.37	$ 1.52	$ 2.54	$ 2.77
Earnings (Loss) Per Common Share - Diluted
Net income (loss) (in dollars per share)	$ 1.35	$ 1.48	$ 2.50	$ 2.69