The percentage of annuities subject to market value adjustment for discretionary withdrawals.

No definition available.

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- Definition

Interest rate applied to policyholder contract deposits during the stated period.

+ References

No definition available.

+ Details

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- Definition

The period over which withdrawal or surrender charges are generally calculated as either a percentage of account or declining dollar amount.

+ References

No definition available.

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- References

No definition available.

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- Definition

The liability as of the balance sheet date to the policyholders for deposits held under the terms of insurance contracts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.13(a)(3))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 30
-Paragraph 16
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=49168914&loc=d3e13951-158433

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- Details

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Reserve for Life-Contingent Contract Benefits and Contractholder Funds - Key assumptions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Key contract provisions relating to contractholder funds:
Total contractholder funds	$ 19,434	$ 20,260	$ 21,295	$ 22,529
Interest-sensitive life insurance
Key contract provisions relating to contractholder funds:
Period for withdrawal or surrender charges	20 years
Total contractholder funds	$ 8,190	8,062
Equity-indexed life insurance \| Minimum
Key contract provisions relating to contractholder funds:
Contractholder funds, interest rate assumptions (as a percent)	0.00%
Equity-indexed life insurance \| Maximum
Key contract provisions relating to contractholder funds:
Contractholder funds, interest rate assumptions (as a percent)	10.50%
Other life insurance \| Minimum
Key contract provisions relating to contractholder funds:
Contractholder funds, interest rate assumptions (as a percent)	1.00%
Other life insurance \| Maximum
Key contract provisions relating to contractholder funds:
Contractholder funds, interest rate assumptions (as a percent)	6.00%
Fixed annuities
Key contract provisions relating to contractholder funds:
Percent of fixed annuities subject to market value adjustment for discretionary withdrawals	16.70%
Total contractholder funds	$ 10,828	11,933
Immediate Fixed Annuities \| Minimum
Key contract provisions relating to contractholder funds:
Contractholder funds, interest rate assumptions (as a percent)	0.00%
Immediate Fixed Annuities \| Maximum
Key contract provisions relating to contractholder funds:
Contractholder funds, interest rate assumptions (as a percent)	9.80%
Equity-indexed fixed annuities \| Minimum
Key contract provisions relating to contractholder funds:
Contractholder funds, interest rate assumptions (as a percent)	(8.00%)
Equity-indexed fixed annuities \| Maximum
Key contract provisions relating to contractholder funds:
Contractholder funds, interest rate assumptions (as a percent)	12.30%
Other fixed annuities \| Minimum
Key contract provisions relating to contractholder funds:
Contractholder funds, interest rate assumptions (as a percent)	0.10%
Other fixed annuities \| Maximum
Key contract provisions relating to contractholder funds:
Contractholder funds, interest rate assumptions (as a percent)	6.00%
Other investment contracts
Key contract provisions relating to contractholder funds:
Total contractholder funds	$ 416	$ 265
Other investment contracts \| Minimum
Key contract provisions relating to contractholder funds:
Contractholder funds, interest rate assumptions (as a percent)	1.50%
Other investment contracts \| Maximum
Key contract provisions relating to contractholder funds:
Contractholder funds, interest rate assumptions (as a percent)	10.30%