Investments (Tables)

9 Months Ended

Sep. 30, 2013

Investments Details [Abstract]

Realized gains and losses on investments table

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(In millions)	2013		2012		2013		2012
Fixed maturities	$	16	$	8	$	105	$	23
Equity securities		-		1		4		5
Commercial mortgage loans		-		1		(4)		(9)
Real estate		-		-		-		(1)
Other investments, including derivatives		11		1		87		2
Realized investment gains before income taxes		27		11		192		20
Less income taxes		10		4		65		4
Net realized investment gains	$	17	$	7	$	127	$	16

Impairment on investments table

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(In millions)	2013		2012		2013		2012
Credit-related (1)	$	-	$	-	$	(8)	$	(14)
Other		(3)		-		(11)		(2)
Total	$	(3)	$	-	$	(19)	$	(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 September 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: $5; $15)		5		15
Total	$	6	$	16
Included in equity securities:
Hybrid securities (amortized cost: $70; $84)	$	56	$	70

Amortized cost and fair value for fixed maturities table

		Amortized		Fair
(In millions)		Cost		Value
Due in one year or less	$	1,057	$	1,077
Due after one year through five years		5,023		5,407
Due after five years through ten years		4,665		4,982
Due after ten years		2,596		3,133
Mortgage and other asset-backed securities		948		1,040
Total	$	14,289	$	15,639

Gross unrealized appreciation (depreciation) fixed maturities table

	September 30, 2013
				Gross		Gross
				Unrealized		Unrealized
		Amortized		Appre-		Depre-		Fair
(In millions)		Cost		ciation		ciation		Value
Federal government and agency	$	443	$	282	$	(1)	$	724
State and local government		2,018		183		(5)		2,196
Foreign government		1,116		70		(9)		1,177
Corporate		9,763		802		(63)		10,502
Federal agency mortgage-backed		83		-		-		83
Other mortgage-backed		67		4		(4)		67
Other asset-backed		799		94		(3)		890
Total	$	14,289	$	1,435	$	(85)	$	15,639
(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				Nine Months Ended
	September 30,				September 30,
(In millions)	2013		2012		2013		2012
Proceeds from sales	$	402	$	92	$	1,674	$	447
Gross gains on sales	$	10	$	6	$	93	$	25
Gross losses on sales	$	1	$	-	$	4	$	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	$	1,464	$	1,515	$	(51)	623
Below investment grade	$	393	$	403	$	(10)	345
More than one year:
Investment grade	$	207	$	225	$	(18)	80
Below investment grade	$	46	$	52	$	(6)	14

Financing Receivable Credit Quality Indicators Table [Text Block]

(In millions)				September 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%	$	312	$	-	$	-	$	56	$	-	$	368
50% to 59%		591		132		-		18		-		741
60% to 69%		438		16		70		-		24		548
70% to 79%		116		114		-		-		22		252
80% to 89%		58		61		34		28		122		303
90% to 99%		-		-		58		50		67		175
100% or above		-		-		-		-		17		17
Total	$	1,515	$	323	$	162	$	152	$	252	$	2,404
(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)		September 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		31		-		31		60		-		60
Total	$	124	$	(11)	$	113	$	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
Charge-offs upon sales and repayments, net of recoveries		-		(3)
Transfers to other long-term investments		-		(16)
Transfers to real estate		-		(3)
Reserve balance, September 30,	$	11	$	7