Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2011

Shareholders' Equity [Abstract]

Accumulated other comprehensive income (loss), net of tax

							Pension and
	Pretax			Foreign			Other									Accumulated
	Net Unrealized			Currency			Postretirement						Noncon-			Other
	Gains (Losses)			Translation			Plans			Tax			trolling			Comprehensive
	on Securities			Adjustment			Adjustment			Effects			Interests			Income (Loss)
Balance at December 31, 2010	$	736	(a)	$	9		$	(13	)	$	(253	)	$	—		$	479	(a)
Unrealized holding gains on securities arising during the period		199			—			—			(70	)		(5	)		124
Realized gains included in net income		(53	)		—			—			19			1			(33	)
Foreign currency translation gains		—			(9	)		—			—			1			(8	)
Other		—			—			1			—			—			1
Balance at September 30, 2011	$	882	(a)	$	—		$	(12	)	$	(304	)	$	(3	)	$	563	(a)
Balance at December 31, 2009	$	258		$	1		$	(13	)	$	(86	)	$	3		$	163
Unrealized holding gains on securities arising during the period		778			—			—			(272	)		(7	)		499
Realized gains included in net income		(92	)		—			—			32			1			(59	)
Foreign currency translation losses		—			9			—			—			(2	)		7
Other		(6	)		—			1			2			—			(3	)
Balance at September 30, 2010	$	938		$	10		$	(12	)	$	(324	)	$	(5	)	$	607

(a) Includes net pretax unrealized losses of $14 million ($9 million net of tax) at September 30, 2011 and $17 million ($11 million net of tax) at December 31, 2010 related to securities for which only the credit portion of an other-than-temporary impairment has been recorded in earnings.