Investments (Details 6) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Other-than-temporary impairment losses by asset type
Other-than-temporary impairment losses	$ (186)	$ (53)	$ (286)	$ (177)
Included in OCI	12	0	20	(2)
Net OTTI losses recognized in earnings	(174)	(53)	(266)	(179)
Fixed income securities
Other-than-temporary impairment losses by asset type
Other-than-temporary impairment losses	(27)	(6)	(44)	(9)
Included in OCI	12	0	20	(2)
Net OTTI losses recognized in earnings	(15)	(6)	(24)	(11)
Municipal
Other-than-temporary impairment losses by asset type
Other-than-temporary impairment losses	(1)	(3)	(5)	(9)
Included in OCI	0	0	4	0
Net OTTI losses recognized in earnings	(1)	(3)	(1)	(9)
Corporate
Other-than-temporary impairment losses by asset type
Other-than-temporary impairment losses	(9)	(6)	(19)	(6)
Included in OCI	0	1	4	1
Net OTTI losses recognized in earnings	(9)	(5)	(15)	(5)
Asset-backed securities (“ABS”)
Other-than-temporary impairment losses by asset type
Other-than-temporary impairment losses	(16)	0	(20)	(3)
Included in OCI	12	0	13	0
Net OTTI losses recognized in earnings	(4)	0	(7)	(3)
Commercial mortgage-backed securities (“CMBS”)
Other-than-temporary impairment losses by asset type
Other-than-temporary impairment losses	(1)	0	(1)	0
Included in OCI	0	0	0	0
Net OTTI losses recognized in earnings	(1)	0	(1)	0
Residential mortgage-backed securities (“RMBS”)
Other-than-temporary impairment losses by asset type
Other-than-temporary impairment losses	0	3	1	9
Included in OCI	0	(1)	(1)	(3)
Net OTTI losses recognized in earnings	0	2	0	6
Equity securities
Other-than-temporary impairment losses by asset type
Other-than-temporary impairment losses	(151)	(63)	(226)	(149)
Included in OCI	0	0	0	0
Net OTTI losses recognized in earnings	(151)	(63)	(226)	(149)
Mortgage loans
Other-than-temporary impairment losses by asset type
Other-than-temporary impairment losses	0	2	0	6
Included in OCI	0	0	0	0
Net OTTI losses recognized in earnings		2	0	6
Limited partnership interests
Other-than-temporary impairment losses by asset type
Other-than-temporary impairment losses	(2)	14	(7)	(25)
Included in OCI	0	0	0	0
Net OTTI losses recognized in earnings	(2)	14	(7)	(25)
Other
Other-than-temporary impairment losses by asset type
Other-than-temporary impairment losses	(6)	0	(9)	0
Included in OCI	0	0	0	0
Net OTTI losses recognized in earnings	$ (6)	$ 0	$ (9)	$ 0

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The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

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Amount before tax of other than temporary impairment loss (OTTI) on investments in available-for-sale and held-to-maturity debt securities, recognized in other comprehensive loss and attributable to parent entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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