Market Risk Benefit, Increase (Decrease) in Net Income From Assumption

No definition available.

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- Definition

Amount, before effect of reinsurance and after accumulated increase (decrease) in instrument-specific credit risk, of 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 944
-SubTopic 40
-Name Accounting Standards Codification
-Section 65
-Paragraph 2
-Subparagraph (h)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480016/944-40-65-2

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 944
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
-Paragraph 29G
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480046/944-40-55-29G

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 7B
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480081/944-40-50-7B

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 40
-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480112/944-40-45-3

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- 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/exampleRef
-Topic 944
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
-Paragraph 29G
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480046/944-40-55-29G

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 7B
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480081/944-40-50-7B

+ Details

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- 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

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Market Risk Benefits - Significant Inputs and Assumptions (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Market Risk Benefit [Line Items]
Market risk benefits	$ 335	$ (629)	$ 1,133	$ 1,103
Utilization of guaranteed withdrawals
Market Risk Benefit [Line Items]
Increase (decrease) in net income from change in assumptions	(18)
Surrender rate
Market Risk Benefit [Line Items]
Increase (decrease) in net income from change in assumptions	$ (110)
Discounted cash flow \| Nonperformance risk
Market Risk Benefit [Line Items]
Market risk benefits, measurement input	0.0085	0.0075
Minimum \| Discounted cash flow \| Utilization of guaranteed withdrawals
Market Risk Benefit [Line Items]
Market risk benefits, measurement input	0.000	0.000
Minimum \| Discounted cash flow \| Surrender rate
Market Risk Benefit [Line Items]
Market risk benefits, measurement input	0.003	0.003
Minimum \| Discounted cash flow \| Market volatility
Market Risk Benefit [Line Items]
Market risk benefits, measurement input	0.000	0.000
Minimum \| Discounted cash flow \| Mortality rate
Market Risk Benefit [Line Items]
Market risk benefits, measurement input	0.000	0.000
Maximum \| Discounted cash flow \| Utilization of guaranteed withdrawals
Market Risk Benefit [Line Items]
Market risk benefits, measurement input	0.480	0.480
Maximum \| Discounted cash flow \| Surrender rate
Market Risk Benefit [Line Items]
Market risk benefits, measurement input	0.750	0.750
Maximum \| Discounted cash flow \| Market volatility
Market Risk Benefit [Line Items]
Market risk benefits, measurement input	0.252	0.252
Maximum \| Discounted cash flow \| Mortality rate
Market Risk Benefit [Line Items]
Market risk benefits, measurement input	0.416	0.416
Weighted average \| Discounted cash flow \| Utilization of guaranteed withdrawals
Market Risk Benefit [Line Items]
Market risk benefits, measurement input	0.116	0.116
Weighted average \| Discounted cash flow \| Surrender rate
Market Risk Benefit [Line Items]
Market risk benefits, measurement input	0.037	0.036
Weighted average \| Discounted cash flow \| Market volatility
Market Risk Benefit [Line Items]
Market risk benefits, measurement input	0.106	0.105
Weighted average \| Discounted cash flow \| Nonperformance risk
Market Risk Benefit [Line Items]
Market risk benefits, measurement input	0.0085	0.0075
Weighted average \| Discounted cash flow \| Mortality rate
Market Risk Benefit [Line Items]
Market risk benefits, measurement input	0.016	0.016