Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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- Definition

Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)

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Goodwill and Other Intangibles (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Jun. 30, 2014	Sep. 30, 2012	Dec. 31, 2014	Dec. 31, 2012
Changes in the carrying value of goodwill by reporting segment
Goodwill, Beginning balance			$ 185us-gaap_Goodwill	$ 186us-gaap_Goodwill
Goodwill, Sale of subsidiary		(1)		(1)
Goodwill, Acquired during period	16us-gaap_GoodwillAcquiredDuringPeriod		16us-gaap_GoodwillAcquiredDuringPeriod
Goodwill, Ending balance			201us-gaap_Goodwill	185us-gaap_Goodwill
Property and Casualty [Member]
Changes in the carrying value of goodwill by reporting segment
Goodwill, Beginning balance			152	152
Goodwill, Sale of subsidiary				0
Goodwill, Acquired during period			16
Goodwill, Ending balance			168	152
Annuity [Member]
Changes in the carrying value of goodwill by reporting segment
Goodwill, Beginning balance			33	34
Goodwill, Sale of subsidiary				(1)
Goodwill, Acquired during period			0
Goodwill, Ending balance			$ 33	$ 33