Fair Value (Assets and Liabilities Measured - Quantitative Information) (Details) - Level 3	Mar. 31, 2023	Dec. 31, 2022
Measurement Input, Mortality Rate \| Minimum
Fair Value, Option, Quantitative Disclosures
Market Risk Benefit, Measurement Input	0.0004	0.0004
Embedded Derivative Liability, Measurement Input	0.0003	0.0003
Measurement Input, Mortality Rate \| Maximum
Fair Value, Option, Quantitative Disclosures
Market Risk Benefit, Measurement Input	0.1290	0.1290
Embedded Derivative Liability, Measurement Input	0.0924	0.0924
Measurement Input, Lapse Rate \| Minimum
Fair Value, Option, Quantitative Disclosures
Market Risk Benefit, Measurement Input	0.0100	0.0100
Embedded Derivative Liability, Measurement Input	0.0100	0.0100
Measurement Input, Lapse Rate \| Maximum
Fair Value, Option, Quantitative Disclosures
Market Risk Benefit, Measurement Input	0.2411	0.2411
Embedded Derivative Liability, Measurement Input	0.6230	0.6230
Measurement Input, Utilization Rate \| Minimum
Fair Value, Option, Quantitative Disclosures
Market Risk Benefit, Measurement Input	0.0000	0.0000
Measurement Input, Utilization Rate \| Maximum
Fair Value, Option, Quantitative Disclosures
Market Risk Benefit, Measurement Input	0.2500	0.2500
Measurement Input, Withdrawal Rate \| Minimum
Fair Value, Option, Quantitative Disclosures
Market Risk Benefit, Measurement Input	0.0000	0.0000
Embedded Derivative Liability, Measurement Input	0.0050	0.0050
Measurement Input, Withdrawal Rate \| Maximum
Fair Value, Option, Quantitative Disclosures
Market Risk Benefit, Measurement Input	0.1000	0.1000
Embedded Derivative Liability, Measurement Input	0.0900	0.0900
Measurement Input, Long Term Equity Volatilities \| Minimum
Fair Value, Option, Quantitative Disclosures
Market Risk Benefit, Measurement Input	0.1596	0.1999
Measurement Input, Long Term Equity Volatilities \| Maximum
Fair Value, Option, Quantitative Disclosures
Market Risk Benefit, Measurement Input	0.2453	0.2845
Measurement Input, Entity Credit Risk \| Minimum
Fair Value, Option, Quantitative Disclosures
Market Risk Benefit, Measurement Input	0.0108	(0.0273)
Embedded Derivative Liability, Measurement Input	0.0073	0.0000
Measurement Input, Entity Credit Risk \| Maximum
Fair Value, Option, Quantitative Disclosures
Market Risk Benefit, Measurement Input	0.0222	0.0452
Embedded Derivative Liability, Measurement Input	0.0212	0.0198

Value of input used to measure embedded derivative liability.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

+ Details

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Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 30
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482907/825-10-50-30

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 31
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482907/825-10-50-31

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 32
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482907/825-10-50-32

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Value of measurement input used to measure contract or contract feature in long-duration contract issued by insurance entity that both protects contract holder from other-than-nominal capital market risk and exposes insurance entity to other-than-nominal capital market risk.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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