Long-duration Contracts - Policyholder Account Balance Rollforward (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022
Policyholder Account Balance [Roll Forward]
Beginning balance	$ 168,339	$ 151,390
Deposits	22,237	14,768
Policy charges	(319)	(288)
Surrenders and withdrawals	(10,670)	(5,777)
Benefit payments	(3,408)	(2,462)
Interest credited	1,638	2,047
Foreign exchange	(88)	(507)
Other	(102)	(342)
Ending balance	$ 177,627	$ 158,829
Weighted average crediting rate	2.70%	2.20%
Net amount at risk	$ 14,686	$ 13,232
Cash surrender value	136,777	119,445
Traditional deferred annuities
Policyholder Account Balance [Roll Forward]
Beginning balance	43,518	35,599
Deposits	12,174	2,476
Policy charges	(1)	(1)
Surrenders and withdrawals	(4,986)	(2,115)
Benefit payments	(505)	(480)
Interest credited	802	465
Foreign exchange	(31)	0
Other	(54)	0
Ending balance	$ 50,917	$ 35,944
Weighted average crediting rate	3.50%	2.70%
Net amount at risk	$ 424	$ 419
Cash surrender value	48,135	34,402
Indexed annuities
Policyholder Account Balance [Roll Forward]
Beginning balance	92,660	89,755
Deposits	5,808	5,186
Policy charges	(318)	(287)
Surrenders and withdrawals	(5,563)	(3,610)
Benefit payments	(826)	(847)
Interest credited	364	1,245
Foreign exchange	0	0
Other	0	0
Ending balance	$ 92,125	$ 91,442
Weighted average crediting rate	2.30%	2.00%
Net amount at risk	$ 14,158	$ 12,788
Cash surrender value	84,200	83,837
Funding agreements
Policyholder Account Balance [Roll Forward]
Beginning balance	27,439	23,623
Deposits	1,648	5,820
Policy charges	0	0
Surrenders and withdrawals	(110)	(50)
Benefit payments	(1,910)	(969)
Interest credited	401	299
Foreign exchange	161	(449)
Other	(11)	(334)
Ending balance	$ 27,618	$ 27,940
Weighted average crediting rate	2.70%	2.00%
Net amount at risk	$ 0	$ 0
Cash surrender value	0	0
Other investment-type
Policyholder Account Balance [Roll Forward]
Beginning balance	4,722	2,413
Deposits	2,607	1,286
Policy charges	0	0
Surrenders and withdrawals	(11)	(2)
Benefit payments	(167)	(166)
Interest credited	71	38
Foreign exchange	(218)	(58)
Other	(37)	(8)
Ending balance	$ 6,967	$ 3,503
Weighted average crediting rate	2.90%	2.90%
Net amount at risk	$ 104	$ 25
Cash surrender value	$ 4,442	$ 1,206

Policyholder Account Balance, Foreign Exchange

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Amount of cash to be paid to policyholder upon termination and surrender of long-duration contract issued by insurance entity.

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Amount of interest expense for allocation to policyholder account balance.

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Amount of cash outflow to policyholder account balance from benefit payment.

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Amount of increase (decrease) in liability for policyholder account balance from change, classified as other.

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Amount of increase in liability for policyholder account balance from contract issuance.

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Amount of guaranteed benefit in excess of current account balance of policyholder account balance.

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Amount of decrease in liability for policyholder account balance from policy charge.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of decrease in liability for policyholder account balance from contract redemption and withdrawal of funds.

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Weighted-average crediting rate for liability for policyholder account balance, calculated at a point in time.

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Amount due to policyholder. Includes, but is not limited to, unpaid policy dividend, retrospective refund, and undistributed earnings on participating business. Excludes future policy benefit and claim expense.

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