Guaranteed Minimum Benefits [Line Items]

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- Definition

The amount needed to reflect the estimated ultimate cost of settling claims relating to insured events that have occurred on or before the balance sheet date, whether or not reported to the insurer at that date.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 50
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- Definition

Percentage discount rate used to calculate present value of an expected stream of future payments, which is included in the calculation of the amount of the specified guaranteed benefit obligation as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Actuarially determined death rate of policyholders, which is included in determining the amount of the specified guaranteed benefit obligation as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 20
-Section 55
-Paragraph 15
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- Definition

Net amount at risk, representing the guaranteed benefit in excess of the current account balance corresponding to the specified product, guarantee type and subset of the guarantee.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 80
-Section 50
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- Definition

Weighted average attained age of policyholders or contract holders in the specified guarantee type and subset of guarantee class, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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Reinsurance Reinsurance (Net Amount at Risk and 100 Percent Mortality) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Guaranteed Minimum Benefits [Line Items]
Unpaid losses and loss expenses	$ 62,690	$ 62,960	$ 63,179	$ 60,540
Average attained age of all policyholders under all benefits reinsured, years	72 years
GLB
Guaranteed Minimum Benefits [Line Items]
Net Amount at Risk	$ 1,095	1,233
GMDB
Guaranteed Minimum Benefits [Line Items]
Net Amount at Risk	$ 256	408
Mortality percentage according to Annuity 2000 mortality table	100.00%
GMDB with Both Risk(GMDB and GLB) [Member]
Guaranteed Minimum Benefits [Line Items]
Net Amount at Risk	$ 91	103
GLB with Both Risk(GLB and GMDB) [Member]
Guaranteed Minimum Benefits [Line Items]
Net Amount at Risk	$ 415	$ 517
Minimum \| GLB
Guaranteed Minimum Benefits [Line Items]
Long-Duration Contracts, Assumptions by Product and Guarantee, Discount Rate	4.00%
Minimum \| GMDB
Guaranteed Minimum Benefits [Line Items]
Long-Duration Contracts, Assumptions by Product and Guarantee, Discount Rate	3.80%
Minimum \| GMDB with Both Risk(GMDB and GLB) [Member]
Guaranteed Minimum Benefits [Line Items]
Long-Duration Contracts, Assumptions by Product and Guarantee, Discount Rate	4.00%
Minimum \| GLB with Both Risk(GLB and GMDB) [Member]
Guaranteed Minimum Benefits [Line Items]
Long-Duration Contracts, Assumptions by Product and Guarantee, Discount Rate	4.00%
Maximum \| GLB
Guaranteed Minimum Benefits [Line Items]
Long-Duration Contracts, Assumptions by Product and Guarantee, Discount Rate	4.30%
Maximum \| GMDB
Guaranteed Minimum Benefits [Line Items]
Long-Duration Contracts, Assumptions by Product and Guarantee, Discount Rate	4.00%
Maximum \| GMDB with Both Risk(GMDB and GLB) [Member]
Guaranteed Minimum Benefits [Line Items]
Long-Duration Contracts, Assumptions by Product and Guarantee, Discount Rate	4.30%
Maximum \| GLB with Both Risk(GLB and GMDB) [Member]
Guaranteed Minimum Benefits [Line Items]
Long-Duration Contracts, Assumptions by Product and Guarantee, Discount Rate	4.30%
Measurement Input, Mortality Rate [Member] \| GMDB
Guaranteed Minimum Benefits [Line Items]
Unpaid losses and loss expenses	$ 167
Measurement Input, Mortality Rate [Member] \| GMDB with Both Risk(GMDB and GLB) [Member]
Guaranteed Minimum Benefits [Line Items]
Unpaid losses and loss expenses	$ 16