Consolidated Balance Sheets - USD ($)		Dec. 31, 2020	Dec. 31, 2019
Fixed maturity securities:
Bonds available for sale, at fair value, net of allowance for credit losses of $186 in 2020 (amortized cost: 2020 - $244,337; 2019 - $233,230)	[1]	$ 271,496,000,000	$ 251,086,000,000
Other bond securities, at fair value (See Note 6)	[1]	5,291,000,000	6,682,000,000
Equity Securities, at fair value (See Note 6)	[1]	1,056,000,000	841,000,000
Mortgage and other loans receivable, net of allowance for credit losses of $814 in 2020 and $438 in 2019	[1]	45,562,000,000	46,984,000,000
Other invested assets (portion measured at fair value: 2020 - $8,422; 2019 - $6,827)	[1]	19,060,000,000	18,792,000,000
Short-term investments, including restricted cash of $180 in 2020 and $188 in 2019 (portion measured at fair value: 2020 - $5,968; 2019 - $5,343)	[1]	18,203,000,000	13,230,000,000
Total investments		360,668,000,000	337,615,000,000
Cash	[1]	2,827,000,000	2,856,000,000
Accrued investment income	[1]	2,271,000,000	2,334,000,000
Premiums and other receivables, net of allowance for credit losses and disputes of $205 in 2020 and $178 in 2019		11,333,000,000	10,274,000,000
Reinsurance assets, net of allowance for credit losses and disputes		38,963,000,000	37,977,000,000
Deferred income taxes		12,624,000,000	13,146,000,000
Deferred policy acquisition costs		9,805,000,000	11,207,000,000
Other assets, net of allowance for credit losses of $49 in 2020, including restricted cash of $223 in 2020 and $243 in 2019 (portion measured at fair value: 2020 - $887; 2019 - $3,151)	[1]	13,122,000,000	16,383,000,000
Separate account assets, at fair value		100,290,000,000	93,272,000,000
Total assets		586,481,000,000	525,064,000,000
Liabilities:
Liability for unpaid losses and loss adjustment expenses, including allowance for credit losses of $14 in 2020		77,720,000,000	78,328,000,000
Unearned premiums		18,660,000,000	18,269,000,000
Future policy benefits for life and accident and health insurance contracts		51,097,000,000	50,512,000,000
Policyholder contract deposits (portion measured at fair value: 2020 - $9,798; 2019 - $6,910)		160,251,000,000	151,869,000,000
Other policyholder funds		3,548,000,000	3,428,000,000
Fortitude Re funds withheld payable (portion measured at fair value: 2020 - $6,042)		43,060,000,000	0
Other liabilities (portion measured at fair value: 2020 - $570; 2019 - $1,100)	[1]	27,122,000,000	26,609,000,000
Long-term debt	[1]	37,534,000,000	35,350,000,000
Separate account liabilities		100,290,000,000	93,272,000,000
Total liabilities		519,282,000,000	457,637,000,000
Contingencies, commitments and guarantees (see Note 16)
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: 2020 - 20,000 and 2019 - 20,000; liquidation preference $500		485,000,000	485,000,000
Common stock, $2.50 par value; 5,000,000,000 shares authorized; shares issued: 2020 - 1,906,671,492 and 2019 - 1,906,671,492		4,766,000,000	4,766,000,000
Treasury stock, at cost; 2020 - 1,045,113,443 shares; 2019 - 1,036,672,461 shares of common stock		(49,322,000,000)	(48,987,000,000)
Additional paid-in capital		81,418,000,000	81,345,000,000
Retained earnings		15,504,000,000	23,084,000,000
Accumulated other comprehensive income		13,511,000,000	4,982,000,000
Total AIG shareholders' equity		66,362,000,000	65,675,000,000
Non-redeemable noncontrolling interests		837,000,000	1,752,000,000
Total equity		67,199,000,000	67,427,000,000
Total liabilities and equity		586,481,000,000	525,064,000,000
Fortitude
Fixed maturity securities:
Reinsurance assets, net of allowance for credit losses and disputes		34,578,000,000	0
American International Group, Inc.
Liabilities:
Long-term debt		28,103,000,000	25,479,000,000
Debt of consolidated investments
Liabilities:
Long-term debt	[1]	$ 9,431,000,000	$ 9,871,000,000

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