Shareholders' Equity And Dividend Restrictions (Tables)

12 Months Ended

Dec. 31, 2012

Shareholder's Equity And Dividend Restrictions [Abstract]

Change In AOCI Includes Changes In Unrealized Gains And Losses On Investments And Pension Obligations

(In millions)	Years ended December 31,
		2012						2011						2010
		Before		Income				Before		Income				Before		Income
		tax		tax		Net		tax		tax		Net		tax		tax		Net
Accumulated unrealized gains on investments available for sale and other at January 1	$	1,460	$	502	$	958	$	1,232	$	422	$	810	$	1,012	$	345	$	667
Increase in unrealized gains		428		152		276		309		108		201		383		136		247
Reclassification adjustment for (gains) losses included in net income		(42)		(15)		(27)		(70)		(25)		(45)		(159)		(56)		(103)
Adjustment to deferred acquisition costs and life policy reserves and other		(21)		(9)		(12)		(11)		(3)		(8)		(4)		(3)		(1)
Effect on other comprehensive income		365		128		237		228		80		148		220		77		143
Accumulated unrealized gains on investments available for sale and other at December 31	$	1,825	$	630	$	1,195	$	1,460	$	502	$	958	$	1,232	$	422	$	810
Accumulated unrealized losses for pension obligations at January 1	$	(88)	$	(31)	$	(57)	$	(63)	$	(22)	$	(41)	$	(66)	$	(23)	$	(43)
Change in pension obligations		(13)		(4)		(9)		(25)		(9)		(16)		3		1		2
Accumulated unrealized losses for pension obligations at December 31	$	(101)	$	(35)	$	(66)	$	(88)	$	(31)	$	(57)	$	(63)	$	(22)	$	(41)
Accumulated other comprehensive income at January 1	$	1,372	$	471	$	901	$	1,169	$	400	$	769	$	946	$	322	$	624
Unrealized investment gains and losses and other adjustments		365		128		237		228		80		148		220		77		143
Change in pension obligations		(13)		(4)		(9)		(25)		(9)		(16)		3		1		2
Accumulated other comprehensive income at December 31	$	1,724	$	595	$	1,129	$	1,372	$	471	$	901	$	1,169	$	400	$	769