Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2011

Stockholders' Equity

Reconciliation of Outstanding Shares (Table)

	Series A preferred stock		Series B preferred stock		Common stock
	(in millions)
Outstanding shares at January 1, 2009		3.0		10.0		259.3
Shares issued		—		—		60.0
Treasury stock acquired		—		—		(0.3	)
Outstanding shares at December 31, 2009		3.0		10.0		319.0
Shares issued		—		—		1.5
Treasury stock acquired		—		—		(0.1	)
Outstanding shares at December 31, 2010		3.0		10.0		320.4
Shares issued		—		—		1.8
Treasury stock acquired		—		—		(21.1	)
Outstanding shares at December 31, 2011		3.0		10.0		301.1

Accumulated Other Comprehensive Income (Loss) (Table)

	Net unrealized losses on available-for-sale securities			Net unrealized gains on derivative instruments			Foreign currency translation adjustment			Unrecognized postretirement benefit obligations			Accumulated other comprehensive loss
	(in millions)
Balances at January 1, 2009	$	(4,208.0	)	$	37.2		$	(173.5	)	$	(567.3	)	$	(4,911.6	)
Net change in unrealized losses on fixed maturities, available-for-sale		6,590.8			—			—			—			6,590.8
Net change in noncredit component of impairment losses on fixed maturities, available-for-sale		(260.9	)		—			—			—			(260.9	)
Net change in unrealized losses on equity securities, available-for-sale		48.1			—			—			—			48.1
Net change in unrealized losses on equity method subsidiaries and noncontrolling interest adjustments		111.7			—			—			—			111.7
Adjustments for assumed changes in amortization pattern		(963.3	)		—			—			—			(963.3	)
Adjustment for assumed changes in policyholder liabilities		(79.0	)		—			—			—			(79.0	)
Net change in unrealized gains on derivative instruments		—			(33.2	)		—			—			(33.2	)
Change in net foreign currency translation adjustment		—			—			191.8			—			191.8
Change in unrecognized postretirement benefit obligations		—			—			—			263.3			263.3
Cumulative effect of reclassifying noncredit component of previously recognized impairment losses on fixed maturities, available-for-sale, net		(9.9	)		—			—			—			(9.9	)
Net change in provision for deferred income tax benefit (expense)		(1,884.3	)		10.3			(23.6	)		(92.2	)		(1,989.8	)
Balances at December 31, 2009	$	(654.8	)	$	14.3		$	(5.3	)	$	(396.2	)	$	(1,042.0	)

	Net unrealized gains (losses) on available-for-sale securities			Net unrealized gains on derivative instruments			Foreign currency translation adjustment			Unrecognized postretirement benefit obligations			Accumulated other comprehensive income (loss)
	(in millions)
Balances at January 1, 2010	$	(654.8	)	$	14.3		$	(5.3	)	$	(396.2	)	$	(1,042.0	)
Net change in unrealized losses on fixed maturities, available-for-sale		2,315.1			—			—			—			2,315.1
Net change in noncredit component of impairment losses on fixed maturities, available-for-sale		(56.1	)		—			—			—			(56.1	)
Net change in unrealized losses on equity securities, available-for-sale		7.0			—			—			—			7.0
Net change in unrealized losses on equity method subsidiaries and noncontrolling interest adjustments		(68.9	)		—			—			—			(68.9	)
Adjustments for assumed changes in amortization pattern		(488.0	)		—			—			—			(488.0	)
Adjustment for assumed changes in policyholder liabilities		(136.7	)		—			—			—			(136.7	)
Net change in unrealized gains on derivative instruments		—			36.7			—			—			36.7
Change in net foreign currency translation adjustment		—			—			20.8			—			20.8
Change in unrecognized postretirement benefit obligations		—			—			—			320.0			320.0
Cumulative effect of implementation of accounting change related to variable interest entities, net		10.7			—			—			—			10.7
Cumulative effect of electing fair value option for fixed maturities upon implementation of accounting change related to embedded credit derivatives, net		25.4			—			—			—			25.4
Net change in provision for deferred income tax benefit (expense)		(558.3	)		(13.7	)		12.4			(112.0	)		(671.6	)
Balances at December 31, 2010	$	395.4		$	37.3		$	27.9		$	(188.2	)	$	272.4

	Net unrealized gains on available-for-sale securities			Net unrealized gains on derivative instruments			Foreign currency translation adjustment			Unrecognized postretirement benefit obligations			Accumulated other comprehensive income
	(in millions)
Balances at January 1, 2011	$	395.4		$	37.3		$	27.9		$	(188.2	)	$	272.4
Net change in unrealized gains on fixed maturities, available-for-sale		650.0			—			—			—			650.0
Net change in noncredit component of impairment losses on fixed maturities, available-for-sale		49.9			—			—			—			49.9
Net change in unrealized gains on equity securities, available-for-sale		12.3			—			—			—			12.3
Net change in unrealized gains on equity method subsidiaries and noncontrolling interest adjustments		9.1			—			—			—			9.1
Adjustments for assumed changes in amortization pattern		(167.6	)		—			—			—			(167.6	)
Adjustment for assumed changes in policyholder liabilities		(230.3	)		—			—			—			(230.3	)
Net change in unrealized gains on derivative instruments		—			60.2			—			—			60.2
Change in net foreign currency translation adjustment		—			—			(142.7	)		—			(142.7	)
Change in unrecognized postretirement benefit obligations		—			—			—			(266.0	)		(266.0	)
Net change in provision for deferred income tax benefit (expense)		(117.3	)		(21.2	)		—			93.1			(45.4	)
Balances at December 31, 2011	$	601.5		$	76.3		$	(114.8	)	$	(361.1	)	$	201.9

Adjustments Necessary to Avoid Duplication of Items (Table)

	For the year ended December 31,
	2011			2010			2009
	(in millions)
Unrealized gains on available-for-sale securities and derivative instruments, as reported	$	245.1		$	1,073.2		$	3,530.3
Adjustment for realized losses on available-for-sale securities and derivative instruments included in net income		(117.8	)		(137.7	)		(215.8	)
Unrealized gains on available-for-sale securities and derivative instruments arising during the year	$	127.3		$	935.5		$	3,314.5