Realized Gain (Loss) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Dec. 31, 2023	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Fixed maturity AFS securities:
Gross gains		$ 31	$ 21	$ 627
Gross losses		(102)	(203)	(428)
Credit loss benefit (expense)		(89)	(42)	(21)
Intent to sell impairments		0	0	(4,213)
Realized gain (loss) on equity securities		(1)	18	(6)
Realized gain (loss) on the market-to-market on certain instruments		(615)	(224)	(509)
Indexed product derivative results		125	404	(232)
GLB rider fees ceded to LNBAR and attributed fees		(140)	(132)	(112)
Realized gain (loss) on sale of subsidiaries/businesses		(14)	481	0
Other realized gain (loss)		101	61	11
Total realized gain (loss)		(746)	276	(4,934)
Fortitude Re
Fixed maturity AFS securities:
Gross gains	$ 295
Mortgage loans on real estate
Fixed maturity AFS securities:
Credit loss benefit (expense) on mortgage loans on real estate		(37)	(88)	(16)
Realized gain (loss) on the market-to-market on certain instruments		(2)	7	(11)
Reinsurance Related Assets
Fixed maturity AFS securities:
Credit loss benefit (expense) on reinsurance-related assets		(5)	(20)	(35)
Equity securities
Fixed maturity AFS securities:
Realized gain (loss) on equity securities		$ 11	$ 21	$ 8

Debt Securities, Available-For-Sale, Credit Loss Expense (Reversal), Not Previously Recorded

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Debt Securities, Available-For-Sale, Intent To Sell Impairments

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Other Investments Net Realized Gain (Loss)

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Represents changes in the fair values of certain derivative instruments (including those associated with consolidated variable interest entities), total return swaps (embedded derivatives that are theoretically included in various assets and liabilities associated with these arrangements) and trading securities.

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Includes the net difference in the change in embedded derivative reserves of guaranteed living benefit products and the change in the fair value of the derivative instruments that hedge guaranteed death benefit and guaranteed living benefit products, including the cost of purchasing the hedging instruments.

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Amount of realized gain (loss) on investment in debt and equity securities.

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Amount of realized gain on 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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Amount of realized loss on 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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Net Increase or Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period.

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Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease.

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Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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Amount of expense (reversal of expense) for expected credit loss on reinsurance recoverable.

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