CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Millions, unless otherwise specified	Total	Total shareholders' equity	Preferred stock additional capital paid-in	Common stock	Additional capital paid-in	Retained income	Deferred ESOP expense	Treasury stock	Accumulated other comprehensive income	Noncontrolling interest
Balance, beginning of year at Dec. 31, 2011					$ 3,189	$ 31,909	$ (43)	$ (16,795)	$ 29	$ 28
Increase (decrease) in equity
Equity incentive plans activity					(27)
Net income	2,306					2,306
Dividends on common stock						(432)
Payments							2
Shares acquired								(910)
Shares reissued under equity incentive plans, net								197
Change in unrealized net capital gains and losses	1,434								1,434
Change in unrealized foreign currency translation adjustments	14								14
Change in unrecognized pension and other postretirement benefit cost	(302)								(302)
Change in noncontrolling interest ownership										(28)
Balance, end of year at Dec. 31, 2012	20,580	20,580		9	3,162	33,783	(41)	(17,508)	1,175
Increase (decrease) in equity
Preferred stock issuance			780
Equity incentive plans activity					(19)
Net income	2,280					2,280
Dividends on common stock						(466)
Dividends on preferred stock						(17)
Payments							10
Shares acquired								(1,845)
Shares reissued under equity incentive plans, net								306
Change in unrealized net capital gains and losses	(1,188)								(1,188)
Change in unrealized foreign currency translation adjustments	(32)								(32)
Change in unrecognized pension and other postretirement benefit cost	1,091								1,091
Balance, end of year at Dec. 31, 2013	21,480	21,480	780	9	3,143	35,580	(31)	(19,047)	1,046
Increase (decrease) in equity
Preferred stock issuance			966
Equity incentive plans activity					56
Net income	2,850					2,850
Dividends on common stock						(484)
Dividends on preferred stock						(104)
Payments							8
Shares acquired								(2,306)
Shares reissued under equity incentive plans, net								323
Change in unrealized net capital gains and losses	280								280
Change in unrealized foreign currency translation adjustments	(40)								(40)
Change in unrecognized pension and other postretirement benefit cost	(725)								(725)
Balance, end of year at Dec. 31, 2014	$ 22,304	$ 22,304	$ 1,746	$ 9	$ 3,199	$ 37,842	$ (23)	$ (21,030)	$ 561