Derivatives and Hedge Accounting - Fair value hedging relationships (Details) - Derivatives designated as hedging instruments - Fair value hedging - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Interest rate contracts \| Interest credited to policyholder account balances
Derivative instruments gain (loss):
Gains/(losses) recognized in earnings on hedging derivatives	$ (62)	$ (3)	$ (90)	$ (10)
Gains/(losses) recognized in earnings for excluded components	0	0	0	0
Gain (losses) recognized in earnings on hedged items	62	6	93	13
Net Impact	0	3	3	3
Interest rate contracts \| Net investment income (loss)
Derivative instruments gain (loss):
Gains/(losses) recognized in earnings on hedging derivatives	25	1	26	8
Gains/(losses) recognized in earnings for excluded components	0	0	0	0
Gain (losses) recognized in earnings on hedged items	(24)	(2)	(25)	(9)
Net Impact	1	(1)	1	(1)
Foreign exchange contracts
Derivative instruments gain (loss):
Gains/(losses) recognized in earnings on hedging derivatives	455	205	889	201
Gains/(losses) recognized in earnings for excluded components	122	30	262	108
Gain (losses) recognized in earnings on hedged items	(455)	(205)	(889)	(201)
Net Impact	$ 122	$ 30	$ 262	$ 108

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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