Investments (Tables)

6 Months Ended

Jun. 30, 2013

Investments Details [Abstract]

Realized gains and losses on investments table

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(In millions)	2013		2012		2013		2012
Fixed maturities	$	22	$	3	$	89	$	15
Equity securities		1		-		4		4
Commercial mortgage loans		(4)		(7)		(4)		(10)
Real estate		-		-		-		(1)
Other investments, including derivatives		7		-		76		1
Realized investment gains (losses) before income taxes		26		(4)		165		9
Less income taxes (benefits)		9		(1)		55		-
Net realized investment gains (losses)	$	17	$	(3)	$	110	$	9

Impairment on investments table

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(In millions)	2013		2012		2013		2012
Credit-related (1)	$	(8)	$	(9)	$	(8)	$	(14)
Other		(8)		(1)		(8)		(2)
Total	$	(16)	$	(10)	$	(16)	$	(16)
(1) Credit related losses include other-than-temporary declines in fair value of fixed maturities and changes in valuation reserves and asset write-downs related to commercial mortgage loans and real estate entities. There were no credit losses on fixed maturities for which a portion of the impairment was recognized in other comprehensive income.

Fixed maturities and equity securities table

	As of June 30,		As of December 31,
(In millions)	2013		2012
Included in fixed maturities:
Trading securities (amortized cost: $1; $1)	$	1	$	1
Hybrid securities (amortized cost: $15; $15)		15		15
Total	$	16	$	16
Included in equity securities:
Hybrid securities (amortized cost: $67; $84)	$	53	$	70

Amortized cost and fair value for fixed maturities table

		Amortized		Fair
(In millions)		Cost		Value
Due in one year or less	$	1,075	$	1,094
Due after one year through five years		4,942		5,312
Due after five years through ten years		4,707		5,073
Due after ten years		2,645		3,247
Mortgage and other asset-backed securities		930		1,025
Total	$	14,299	$	15,751

Gross unrealized appreciation (depreciation) fixed maturities table

	June 30, 2013
				Gross		Gross
				Unrealized		Unrealized
		Amortized		Appre-		Depre-		Fair
(In millions)		Cost		ciation		ciation		Value
Federal government and agency	$	454	$	297	$	(1)	$	750
State and local government		2,089		191		(4)		2,276
Foreign government		1,120		82		(7)		1,195
Corporate		9,707		852		(54)		10,505
Federal agency mortgage-backed		92		1		(1)		92
Other mortgage-backed		64		4		(4)		64
Other asset-backed		773		98		(2)		869
Total	$	14,299	$	1,525	$	(73)	$	15,751
(In millions)	December 31, 2012
Federal government and agency	$	509	$	393	$	-	$	902
State and local government		2,169		270		(2)		2,437
Foreign government		1,197		126		(1)		1,322
Corporate		10,590		1,308		(17)		11,881
Federal agency mortgage-backed		121		1		-		122
Other mortgage-backed		82		11		(4)		89
Other asset-backed		797		145		(6)		936
Total	$	15,465	$	2,254	$	(30)	$	17,689

Sales of AFS fixed maturities table

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(In millions)	2013		2012		2013		2012
Proceeds from sales	$	311	$	134	$	1,272	$	355
Gross gains on sales	$	23	$	4	$	83	$	19
Gross losses on sales	$	1	$	1	$	3	$	1

Declines in fair value table

	Fair		Amortized		Unrealized		Number
(In millions)	Value		Cost		Depreciation		of Issues
Fixed maturities:
One year or less:
Investment grade	$	1,406	$	1,451	$	(45)	606
Below investment grade	$	391	$	398	$	(7)	407
More than one year:
Investment grade	$	201	$	216	$	(15)	71
Below investment grade	$	45	$	51	$	(6)	13

Financing Receivable Credit Quality Indicators Table [Text Block]

(In millions)				June 30, 2013
		Debt Service Coverage Ratio
		1.30x or		1.20x to		1.10x to		1.00x to		Less than
Loan-to-Value Ratios		Greater		1.29x		1.19x		1.09x		1.00x		Total
Below 50%	$	323	$	-	$	-	$	56	$	-	$	379
50% to 59%		592		118		-		18		-		728
60% to 69%		444		85		70		-		24		623
70% to 79%		123		144		-		-		-		267
80% to 89%		97		77		34		28		144		380
90% to 99%		-		-		58		50		68		176
100% or above		-		-		-		-		17		17
Total	$	1,579	$	424	$	162	$	152	$	253	$	2,570
(In millions)					December 31, 2012
		Debt Service Coverage Ratio
		1.30x or		1.20x to		1.10x to		1.00x to		Less than
Loan-to-Value Ratios		Greater		1.29x		1.19x		1.09x		1.00x		Total
Below 50%	$	297	$	8	$	-	$	50	$	-	$	355
50% to 59%		614		104		25		52		-		795
60% to 69%		562		75		-		66		-		703
70% to 79%		194		143		132		4		16		489
80% to 89%		45		42		131		18		58		294
90% to 99%		14		30		-		-		58		102
100% or above		-		-		30		17		66		113
Total	$	1,726	$	402	$	318	$	207	$	198	$	2,851

Impaired commercial mortgage loans and related valuation reserves table

(In millions)		June 30, 2013					December 31, 2012
		Gross		Reserves		Net		Gross		Reserves		Net
Impaired commercial mortgage loans with valuation reserves	$	93	$	(11)	$	82	$	72	$	(7)	$	65
Impaired commercial mortgage loans with no valuation reserves		32		-		32		60		-		60
Total	$	125	$	(11)	$	114	$	132	$	(7)	$	125

Schedule of Changes in Valuation Reserves For Commercial Mortgage Loans Table

(In millions)	2013		2012
Reserve balance, January 1,	$	7	$	19
Increase in valuation reserves		4		10
Transfers to other long-term investments		-		(16)
Reserve balance, June 30,	$	11	$	13