Long-duration Contracts - Policyholder Account Balance Rollforward (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025
Policyholder Account Balance [Roll Forward]
Beginning balance	$ 308,894	$ 247,320
Deposits	42,032	46,403
Policy charges	(427)	(383)
Surrenders and withdrawals	(10,331)	(8,550)
Benefit payments	(8,711)	(5,569)
Interest credited	7,006	5,040
Foreign exchange	(645)	1,802
Other	(382)	179
Ending balance	337,436	286,242
Indexed annuities
Policyholder Account Balance [Roll Forward]
Beginning balance	105,317	97,861
Deposits	8,656	8,868
Policy charges	(426)	(382)
Surrenders and withdrawals	(5,830)	(5,601)
Benefit payments	(811)	(807)
Interest credited	2,329	1,376
Foreign exchange	0	7
Other	0	0
Ending balance	$ 109,235	$ 101,322
Weighted average crediting rate	2.80%	2.70%
Net amount at risk	$ 18,262	$ 15,997
Cash surrender value	101,270	93,191
Funding agreements
Policyholder Account Balance [Roll Forward]
Beginning balance	85,555	54,768
Deposits	14,249	21,676
Policy charges	0	0
Surrenders and withdrawals	(47)	0
Benefit payments	(7,020)	(3,906)
Interest credited	1,900	1,456
Foreign exchange	(312)	1,021
Other	(318)	213
Ending balance	$ 94,007	$ 75,228
Weighted average crediting rate	4.50%	4.60%
Net amount at risk	$ 0	$ 0
Cash surrender value	0	0
Other investment-type
Policyholder Account Balance [Roll Forward]
Beginning balance	8,821	8,030
Deposits	1,433	502
Policy charges	0	0
Surrenders and withdrawals	(52)	(36)
Benefit payments	(133)	(153)
Interest credited	133	110
Foreign exchange	(177)	437
Other	(64)	(34)
Ending balance	$ 9,961	$ 8,856
Weighted average crediting rate	3.10%	2.70%
Net amount at risk	$ 15	$ 39
Cash surrender value	6,777	7,191
Traditional deferred annuities
Policyholder Account Balance [Roll Forward]
Beginning balance	109,201	86,661
Deposits	17,694	15,357
Policy charges	(1)	(1)
Surrenders and withdrawals	(4,402)	(2,913)
Benefit payments	(747)	(703)
Interest credited	2,644	2,098
Foreign exchange	(156)	337
Other	0	0
Ending balance	$ 124,233	$ 100,836
Weighted average crediting rate	4.70%	4.60%
Net amount at risk	$ 423	$ 420
Cash surrender value	$ 116,670	$ 94,874

Policyholder Account Balance, Foreign Exchange

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- Definition

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

+ References

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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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- Definition

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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- Definition

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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