Lending Activities - Rollforward of the Changes in the Allowance for Credit Losses on Mortgage and Other Loans Receivable (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Changes in the allowance for losses on Mortgage and other loans receivable
Allowance, beginning of year			$ 37,800
Allowance, end of period	$ 37,742		37,742
Commercial mortgage loans
Changes in the allowance for losses on Mortgage and other loans receivable
Allowance, beginning of year	155	$ 150	163	$ 138
Loans charged off	(52)	0	(52)	0
Net charge-offs	(52)	0	(52)	0
Addition to (release of) allowance for loan losses	3	12	(5)	24
Allowance, end of period	106	162	106	162
Off-balance-sheet commitments	0	5	0	5	$ 8
Total	3,029		3,029		3,305
Other Loans
Changes in the allowance for losses on Mortgage and other loans receivable
Allowance, beginning of year	0	3	1	2
Loans charged off	0	0	0	0
Net charge-offs	0	0	0	0
Addition to (release of) allowance for loan losses	0	(2)	(1)	(1)
Allowance, end of period	0	1	0	1
Excluding AIGFP Operating
Changes in the allowance for losses on Mortgage and other loans receivable
Allowance, beginning of year	155	153	164	140
Loans charged off	(52)	0	(52)	0
Net charge-offs	(52)	0	(52)	0
Addition to (release of) allowance for loan losses	3	10	(6)	23
Allowance, end of period	106	$ 163	106	$ 163
Total	3,626		3,626		4,032
AIG Financial Products
Changes in the allowance for losses on Mortgage and other loans receivable
Allowance, beginning of year			37,600
Allowance, end of period	37,600		37,600
Total	$ 37,600		$ 37,600		$ 37,600

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 excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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Amount, excluding accrued interest, of decrease (increase) in allowance for credit loss on financing receivable from writeoff (recovery). Excludes net investment in lease.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

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Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease.

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Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

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