Derivatives and Hedge Accounting - Fair value hedging relationships (Details) - Derivatives designated as hedging instruments - Fair value hedging - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Interest rate contracts \| Interest credited to policyholder account balances
Derivative instruments gain (loss):
Gains/(losses) recognized in earnings on hedging derivatives	$ 43	$ (21)
Gains/(losses) recognized in earnings for excluded components	0	0
Gains/(losses) recognized in earnings for hedged items	(47)	23
Net Impact	(4)	2
Interest rate contracts \| Net investment income
Derivative instruments gain (loss):
Gains/(losses) recognized in earnings on hedging derivatives	0	1
Gains/(losses) recognized in earnings for excluded components	0	0
Gains/(losses) recognized in earnings for hedged items	0	(1)
Net Impact	0	0
Foreign exchange contracts
Derivative instruments gain (loss):
Gains/(losses) recognized in earnings on hedging derivatives	(130)	109
Gains/(losses) recognized in earnings for excluded components	76	42
Gains/(losses) recognized in earnings for hedged items	130	(109)
Net Impact	$ 76	$ 42

Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement.

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

+ References

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Net gain (loss) relating to components of the gain (loss) on the fair value hedging instrument excluded from the assessment of fair value hedge effectiveness. Recognized in earnings.

+ References

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Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period.

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