Condensed Consolidated Balance Sheets - USD ($) $ in Millions		Mar. 31, 2024	Dec. 31, 2023
Fixed maturity securities:
Bonds available for sale, at fair value, net of allowance for credit losses of $125 in 2024 and $162 in 2023 (amortized cost: 2024 - $255,067; 2023 - $253,035)	[1]	$ 232,487	$ 231,733
Other bond securities, at fair value (See Note 6)	[1]	5,403	5,241
Equity securities, at fair value (See Note 6)	[1]	797	728
Mortgage and other loans receivable, net of allowance for credit losses of $38,501 in 2024 and $38,473 in 2023	[1]	52,475	51,553
Other invested assets (portion measured at fair value: 2024 - $11,510; 2023 - $11,733)	[1]	15,977	16,217
Short-term investments, including restricted cash of $4 in 2024 and $4 in 2023 (portion measured at fair value: 2024 - $8,487; 2023 - $10,772)	[1]	15,077	17,200
Total investments		322,216	322,672
Cash	[1]	1,816	2,155
Accrued investment income	[1]	2,698	2,588
Premiums and other receivables, net of allowance for credit losses and disputes of $134 in 2024 and $139 in 2023		11,293	10,561
Deferred income taxes		14,376	14,445
Deferred policy acquisition costs		12,111	12,085
Market risk benefit assets, at fair value		1,172	912
Other assets, net of allowance for credit losses of $49 in 2024 and $49 in 2023, including restricted cash of $43 in 2024 and $45 in 2023 (portion measured at fair value: 2024 - $705; 2023 - $754)	[1]	12,313	13,089
Separate account assets, at fair value		95,173	91,005
Assets held for sale		2,388	2,268
Total assets		544,121	539,306
Liabilities:
Liability for unpaid losses and loss adjustment expenses, including allowance for credit losses of $14 in 2024 and $14 in 2023		70,060	70,393
Unearned premiums		17,831	17,387
Future policy benefits for life and accident and health insurance contracts		58,985	58,576
Policyholder contract deposits (portion measured at fair value: 2024 - $8,613; 2023 - $7,997)		163,698	161,979
Market risk benefit liabilities, at fair value		5,167	5,705
Other policyholder funds		3,315	3,356
Fortitude Re funds withheld payable (portion measured at fair value: 2024 - $(1,364); 2023 - $(1,226))		28,789	29,484
Other liabilities (portion measured at fair value: 2024 - $493; 2023 - $624)	[1]	28,245	25,958
Separate account liabilities		95,173	91,005
Liabilities held for sale		1,813	1,775
Total liabilities		495,011	488,005
Contingencies, commitments and guarantees (See Note 15)
AIG shareholders’ equity:
Series A non-cumulative preferred stock and additional paid in capital, $5.00 par value; 100,000,000 shares authorized; shares issued: 2024 - 0 and 2023 - 20,000; liquidation preference $500		0	485
Common stock, $2.50 par value; 5,000,000,000 shares authorized; shares issued: 2024 - 1,906,671,492 and 2023 - 1,906,671,492		4,766	4,766
Treasury stock, at cost; 2024 - 1,235,652,452 shares; 2023 - 1,217,831,721 shares of common stock		(60,603)	(59,189)
Additional paid-in capital		75,625	75,810
Retained earnings		38,466	37,516
Accumulated other comprehensive loss		(14,869)	(14,037)
Total AIG shareholders’ equity		43,385	45,351
Non-redeemable noncontrolling interests		5,725	5,950
Total equity		49,110	51,301
Total liabilities and equity		544,121	539,306
Consolidated Entities, Excluding Consolidated Investments
Liabilities:
Short-term and long-term debt		19,318	19,796
Consolidated Investments, Including Variable Interest Entities, Primarily Beneficiary
Liabilities:
Short-term and long-term debt	[1]	2,617	2,591
Fortitude RE
Fixed maturity securities:
Reinsurance assets, net of allowance for credit losses and disputes		29,732	30,612
Excluding Fortitude
Fixed maturity securities:
Reinsurance assets, net of allowance for credit losses and disputes		$ 38,833	$ 36,914

[1] See Note 10 for details of balances associated with variable interest entities.