No definition available.

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A valuation allowance for financing receivables that are expected to be uncollectible.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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Amount of direct write-downs of financing receivables charged against the allowance.

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The amount of financing receivables reclassified to held for sale during the reporting period.

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
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- References

No definition available.

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Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
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No definition available.

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Amount of investment in impaired financing receivables for which there is no related allowance for credit losses.

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Amount of investment in impaired financing receivables for which there is a related allowance for credit losses.

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- Definition

Amount of loan with fixed rate of interest.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Topic 310
-SubTopic 10
-Section 45
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-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

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Amount of loan with variable or adjustable rate of interest.

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- Definition

The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
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Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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-Paragraph 11B
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Investments (Details 14) - USD ($) $ in Millions	12 Months Ended
Investments (Details 14) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2015	Dec. 31, 2014
Carrying value of non-impaired mortgage loans, summarized by debt service coverage ratio distribution
Total				$ 4,338	$ 4,188
Mortgage loans, non-impaired
Carrying value of non-impaired mortgage loans, summarized by debt service coverage ratio distribution
Fixed rate mortgage loans				4,332	4,151
Variable rate mortgage loans				0	21
Total				4,332	4,172
Net carrying value of impaired mortgage loans
Impaired mortgage loans with a valuation allowance				6	16
Impaired mortgage loans without a valuation allowance				0	0
Total impaired mortgage loans				6	16
Valuation allowance on impaired mortgage loans	$ 8	$ 21	$ 42	3	8
Rollforward of the valuation allowance on impaired mortgage loans
Beginning balance	8	21	42
Net decrease in valuation allowance	(4)	(5)	(11)
Charge offs	(1)	(8)	(8)
Mortgage loans classified as held for sale	0	0	(2)
Ending balance	3	8	21
Mortgage loans, non-impaired \| Below 1.0
Carrying value of non-impaired mortgage loans, summarized by debt service coverage ratio distribution
Fixed rate mortgage loans				64	110
Variable rate mortgage loans				0	0
Total				64	110
Mortgage loans, non-impaired \| 1.0 - 1.25
Carrying value of non-impaired mortgage loans, summarized by debt service coverage ratio distribution
Fixed rate mortgage loans				382	424
Variable rate mortgage loans				0	0
Total				382	424
Mortgage loans, non-impaired \| 1.26 - 1.50
Carrying value of non-impaired mortgage loans, summarized by debt service coverage ratio distribution
Fixed rate mortgage loans				1,219	1,167
Variable rate mortgage loans				0	1
Total				1,219	1,168
Mortgage loans, non-impaired \| Above 1.50
Carrying value of non-impaired mortgage loans, summarized by debt service coverage ratio distribution
Fixed rate mortgage loans				2,667	2,450
Variable rate mortgage loans				0	20
Total				$ 2,667	$ 2,470
Mortgage loans
Average carrying value and interest income recognized on impaired mortgage loans
Average impaired mortgage loans	$ 11	$ 27	$ 88