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Investments - Recognized Gains (Losses), net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Schedule of Investments [Line Items]
Net realized (losses) gains on fixed maturity available-for-sale securities	$ (61)	$ 13	$ (98)	$ 53
Realized (losses) gains on other invested assets	(9)	12	(10)	8
Change in allowance for expected credit losses	(9)	(4)	(12)	6
Realized (losses) gains on certain derivative instruments	(35)	120	15	180
Unrealized (losses) gains on certain derivative instruments	(359)	142	(717)	107
Change in fair value of reinsurance related embedded derivatives	141	(27)	263	0
Change in fair value of other derivatives and embedded derivatives	(5)	3	(8)	3
Realized (losses) gains on derivatives and embedded derivatives	(258)	238	(447)	290
Recognized gains and losses, net	(676)	232	(1,145)	275
Equity securities
Schedule of Investments [Line Items]
Net realized/unrealized (losses) gains on securities	(221)	(42)	(370)	(88)
Valuation (losses) gains	(222)	(46)	(388)	(92)
Preferred securities
Schedule of Investments [Line Items]
Net realized/unrealized (losses) gains on securities	(118)	15	(208)	6
Valuation (losses) gains	$ (118)	$ 7	$ (207)	$ 4

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Change In Fair Value Derivatives, Including Other Derivatives

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Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), 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 net income (trading).

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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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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