Investment Income (Tables)

9 Months Ended

Sep. 30, 2015

Investments [Abstract]

Realized Investment Gains and Losses

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(In millions)	2015		2014		2015		2014
Fixed maturities	$	(57)	$	2	$	(38)	$	14
Equity securities		28		(3)		42		14
Commercial mortgage loans		-		(2)		2		(6)
Other investments, including derivatives		39		26		98		108
Realized investment gains before income taxes		10		23		104		130
Less income taxes		3		8		36		45
Net realized investment gains	$	7	$	15	$	68	$	85

Asset write-downs and changes in valuation reserves

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(In millions)	2015		2014		2015		2014
Other than temporary impairments on debt securities:
Credit-related	$	(3)	$	-	$	(4)	$	-
Other(1)		(55)		(9)		(69)		(10)
Total other than temporary impairments on debt securities		(58)		(9)		(73)		(10)
Other credit-related (2)		(1)		(1)		(12)		(16)
Total	$	(59)	$	(10)	$	(85)	$	(26)
(1) Reflects other-than-temporary declines in fair values due to increases in market yields (widening of credit spreads) for certain below investment grade fixed maturities when there is an increased probability of sales activity prior to recovery of amortized cost.
(2) Other credit-related losses include other-than-temporary declines in fair values of equity securities, increases in valuation reserves on commercial mortgage loans and asset write-downs related to investments in real estate entities.

Sales of available-for-sale fixed maturities and equity securities

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(In millions)	2015		2014		2015		2014
Proceeds from sales	$	275	$	344	$	1,452	$	854
Gross gains on sales	$	31	$	13	$	82	$	38
Gross losses on sales	$	3	$	4	$	7	$	5