This table lists the investments. The line items identify information about all investments.

No definition available.

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- Definition

Limited partnerships number.

+ References

No definition available.

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- Definition

Fair value of investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
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- Definition

Amount, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity) transferred to investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and net income (trading).

+ References

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
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-Paragraph 3
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- Definition

Amount of unrealized gain (loss) from transfer of investment in debt security measured at amortized cost (held-to-maturity), to investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and investment in debt security measured at fair value with change in fair value recognized in net income (trading).

+ References

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-Paragraph 10
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- Definition

Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Investments which are not defined as or included in marketable (debt, equity, or other) securities whose use is restricted in whole or in part, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Difference between the carrying amount of assets and liabilities in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the variable interest entity (VIE) and the reporting entity's maximum exposure to loss as a result of its involvement with the VIE, where the reporting entity is not the VIE's primary beneficiary.

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Investments (Narrative) (Details)	6 Months Ended	12 Months Ended
Investments (Narrative) (Details)	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($) partnerships	Dec. 31, 2022 USD ($)
Investment [Line Items]
Limited partnerships number \| partnerships		174
Restricted assets in fixed maturities and short-term investments		$ 18,242,000,000	$ 15,721,000,000
Restricted assets in cash		172,000,000	$ 115,000,000
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Transfer, Amount	$ 8,200,000,000
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	7,800,000,000
Debt Securities, Held-to-Maturity, Transfer, Unrealized Gain (Loss)	$ 428,000,000
Variable Interest Entity, Nonconsolidated, Comparison of Carrying Amount of Assets and Liabilities to Maximum Loss Exposure		$ 153,000,000
Huatai Group [Member]
Investment [Line Items]
Ownership Percentage	64.20%
CHINA \| Huatai Life Insurance Co. [Member]
Investment [Line Items]
Ownership Percentage		0.00%	20.00%
CHINA \| Huatai Group [Member]
Investment [Line Items]
Ownership Percentage		0.00%	47.00%