Alternative Investments, Authorized Amount To Invest

No definition available.

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- Definition

Alternative Investments, Unfunded Commitment

+ References

No definition available.

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- Definition

Represents the number of securities which had unrealized losses greater than 10% of book value for 12 months or more.

+ References

No definition available.

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- Definition

This item represents the excess of amortized cost basis over fair value of securities that have been in a loss position for twelve months or longer for those securities which are categorized neither as held-to-maturity nor trading securities and which have unrealized losses greater than 10% of book value.

+ References

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- Definition

Debt Securities, Available-for-Sale, Purchased with Credit Deterioration, Number

+ References

No definition available.

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- Definition

Fixed-Maturity Investments, Non-Investment Grade, Not Rated, Percent

+ References

No definition available.

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- Definition

Investments, Authorized Amount To Invest

+ References

No definition available.

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- Definition

Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments.

+ References

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- Definition

Fair value of investment other than investment in equity security, investment in debt security and equity method investment. Includes, but is not limited to, investment in certain entities that calculate net asset value per share. Example includes, but is not limited to, investment in hedge fund, venture capital fund, private equity fund, and real estate partnership or fund.

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- Definition

The total amount of cash and securities held by third party trustees pursuant to terms of debt instruments or other agreements as of the date of each statement of financial position presented, which can be used by the trustee only to pay the noncurrent portion of specified obligations.

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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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- Definition

Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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- Definition

Amount of allowance for credit loss at acquisition date of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), purchased with credit deterioration.

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Amount at par value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), purchased with credit deterioration.

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Amount at purchase price of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), purchased with credit deterioration.

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- Definition

Amount of discount (premium) attributable to other factors on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), purchased with credit deterioration.

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- Definition

Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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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.

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Investments - Additional Information (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2026 USD ($) security	Sep. 30, 2025 USD ($)	Sep. 30, 2026 USD ($) security	Sep. 30, 2025 USD ($)	Dec. 31, 2025 USD ($) security
Schedule of Investments [Line Items]
Fixed-maturity investments, non-investment grade, percent	7.90%		7.90%		8.60%
Fixed-maturity securities, available for sale	$ 6,506		$ 6,506		$ 6,369
Alternative investment	922		922
Accrued investment income	$ 74		$ 74		$ 70
Number of securities with unrealized losses greater than 10% of book value for 12 months or more \| security	484		484		253
Total unrealized losses for securities having losses greater than 10% of book value for 12 months or more	$ 257		$ 257		$ 147
Assets held-in-trust	75		75		77
Fixed-maturity securities, trading	85		85		124
Sales	127	$ 106	712	$ 533
Securities purchased with credit deterioration	5		7
Unpaid principal on remaining collateral	8		11
Allowance for credit losses	2		2
Non-credit related discount	1		$ 2
Debt securities, purchased with credit deterioration, number \| security			2
Cash	227	$ 157	$ 227	$ 157	388
Variable Interest Entity, Primary Beneficiary \| Pension Risk Transfers Variable Interest Entities
Schedule of Investments [Line Items]
Fixed-maturity securities, available for sale	551		551
Short-term investments, at fair value	10		10
Cash	10		10
Asset Pledged as Collateral
Schedule of Investments [Line Items]
Fixed-maturity securities, available for sale	2		2
Collateralized Loan Obligation, Subordinated Notes
Schedule of Investments [Line Items]
Fixed-maturity securities, available for sale	191		191		228
Liquidity Bonds
Schedule of Investments [Line Items]
Fixed-maturity securities, available for sale	158		158		168
Insured Financial Obligations, Loss Mitigation Securities
Schedule of Investments [Line Items]
Fixed-maturity securities, available for sale	143		143		140
Contingent Value Instruments
Schedule of Investments [Line Items]
Fixed-maturity securities, trading	82		82		114
Financial Instrument, Other
Schedule of Investments [Line Items]
Investments, fair value disclosure	667		667
AGL Subsidiaries
Schedule of Investments [Line Items]
Assets held-in-trust	746		746		$ 813
Future Equity Investments
Schedule of Investments [Line Items]
Alternative investment	922		922
Investments, unfunded commitment	529		529
Authorized amount to invest	1,500		1,500
Future Equity Investments \| Sound Point Capital Management, LP
Schedule of Investments [Line Items]
Investments, authorized amount to invest	$ 1,000		$ 1,000