Derivatives and Hedge Accounting - Fair value hedging relationships (Details) - Derivatives designated as hedging instruments - Fair value hedging - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Interest rate contracts \| Interest credited to policyholder account balances
Derivative instruments gain (loss):
Gains/(losses) recognized in earnings on hedging derivatives	$ (7)	$ (3)	$ (28)	$ (7)
Gains/(losses) recognized in earnings for excluded components	0	0	0	0
Gain (losses) recognized in earnings on hedged items	8	1	31	7
Net Impact	1	(2)	3	0
Interest rate contracts \| Net investment income
Derivative instruments gain (loss):
Gains/(losses) recognized in earnings on hedging derivatives	0	(1)	1	7
Gains/(losses) recognized in earnings for excluded components	0	0	0	0
Gain (losses) recognized in earnings on hedged items	0	0	(1)	(7)
Net Impact	0	(1)	0	0
Foreign exchange contracts \| Net realized gains/(losses)
Derivative instruments gain (loss):
Gains/(losses) recognized in earnings on hedging derivatives	325	(36)	434	(4)
Gains/(losses) recognized in earnings for excluded components	98	107	140	78
Gain (losses) recognized in earnings on hedged items	(325)	36	(434)	4
Net Impact	$ 98	$ 107	$ 140	$ 78

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.

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

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