FAIR VALUE MEASUREMENTS (Details - Assets and Liabilities Measured at Fair Value on a Recurring Basis) - USD ($) $ in Millions		Dec. 31, 2021	Dec. 31, 2020
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	[1]	$ 277,202	$ 271,496
Other bond securities	[1]	6,278	5,291
Equity securities	[1]	739	1,056
Other invested assets		10,504	8,422
Derivative Assets, Fair Value, Gross		5,761	6,805
Derivative assets, Counterparty netting		(2,779)	(3,812)
Derivative assets, Cash collateral		(2,139)	(2,219)
Derivative assets		843	774
Short-term investments		4,426	5,968
Separate account assets, at fair value		109,111	100,290
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value		9,736	9,798
Other policyholder funds		3,476	3,548
Derivative Liabilities, Fair Value, Gross		4,454	5,822
Derivative liabilities, Counterparty netting		(2,779)	(3,812)
Derivative liabilities, Cash collateral		(1,089)	(1,441)
Derivative liabilities		586	569
Fortitude Re funds withheld payable		40,771	43,060
Other liabilities		586	570
Long-term debt		1,871	2,097
Fair Value Using Net Asset Value Per Share or its equivalent		8,418	6,493
Level 1
Fair Value, Liabilities Measured on Recurring Basis
Fortitude Re funds withheld payable		0	0
Level 2
Fair Value, Liabilities Measured on Recurring Basis
Fortitude Re funds withheld payable		0	0
Level 3
Fair Value, Liabilities Measured on Recurring Basis
Fortitude Re funds withheld payable		34,849	37,018
Recurring Basis
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		277,202	271,496
Other bond securities		6,278	5,291
Equity securities		739	1,056
Other invested assets		2,086	1,929
Derivative assets, Counterparty netting		(2,779)	(3,812)
Derivative assets, Cash collateral		(2,139)	(2,219)
Derivative assets, Counterparty netting and cash collateral		(4,918)	(6,031)
Derivative assets		843	774
Short-term investments		4,426	5,968
Other assets		114	113
Separate account assets, at fair value		109,111	100,290
Fair value assets measured on recurring basis, total		400,799	386,917
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value		9,736	9,798
Derivative liabilities, Counterparty netting		(2,779)	(3,812)
Derivative liabilities, Cash collateral		(1,089)	(1,441)
Derivative liabilities, Counterparty netting and cash collateral		(3,868)	(5,253)
Derivative liabilities		586	569
Fortitude Re funds withheld payable		5,922	6,042
Other liabilities		0	1
Long-term debt		1,871	2,097
Fair value liabilities measured on recurring basis, total		18,115	18,507
Recurring Basis | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		3,873	4,637
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		3,633	4,436
Recurring Basis | Foreign exchange contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		1,189	1,022
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		721	1,090
Recurring Basis | Equity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		681	1,130
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		53	223
Recurring Basis | Commodity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		4
Recurring Basis | Credit contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		1	2
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		47	67
Recurring Basis | Other contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		13	14
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		0	6
Recurring Basis | U.S. government and government sponsored entities
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		8,194	4,126
Other bond securities		1,750	1,845
Recurring Basis | Obligations of states, municipalities and political subdivisions
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		14,527	16,124
Other bond securities		97
Recurring Basis | Non-U.S. governments
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		16,330	15,345
Other bond securities		76	0
Recurring Basis | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		175,608	169,298
Other bond securities		1,050	12
Recurring Basis | Residential mortgage-backed securities (RMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		27,287	31,465
Other bond securities		411	429
Recurring Basis | Commercial mortgage-backed securities (CMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		15,809	16,133
Other bond securities		315	320
Recurring Basis | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		19,447	19,005
Other bond securities		2,579	2,685
Recurring Basis | Level 1
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		2,562	101
Other bond securities		0	0
Equity securities		669	929
Other invested assets		0	0
Derivative Assets, Fair Value, Gross		7	9
Short-term investments		2,584	2,379
Other assets		0	0
Separate account assets, at fair value		105,221	96,560
Fair value assets measured on recurring basis, total		111,043	99,978
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value		0	0
Derivative Liabilities, Fair Value, Gross		2	15
Fortitude Re funds withheld payable		0	0
Other liabilities		0	0
Long-term debt		0	0
Fair value liabilities measured on recurring basis, total		2	15
Recurring Basis | Level 1 | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		0	0
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		1	1
Recurring Basis | Level 1 | Foreign exchange contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		0	0
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		0	0
Recurring Basis | Level 1 | Equity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		7	9
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		1	14
Recurring Basis | Level 1 | Commodity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		0
Recurring Basis | Level 1 | Credit contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		0	0
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		0	0
Recurring Basis | Level 1 | Other contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		0	0
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		0	0
Recurring Basis | Level 1 | U.S. government and government sponsored entities
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		2,553	73
Other bond securities		0	0
Recurring Basis | Level 1 | Obligations of states, municipalities and political subdivisions
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		0	0
Other bond securities		0
Recurring Basis | Level 1 | Non-U.S. governments
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		9	28
Other bond securities		0	0
Recurring Basis | Level 1 | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		0	0
Other bond securities		0	0
Recurring Basis | Level 1 | Residential mortgage-backed securities (RMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		0	0
Other bond securities		0	0
Recurring Basis | Level 1 | Commercial mortgage-backed securities (CMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		0	0
Other bond securities		0	0
Recurring Basis | Level 1 | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		0	0
Other bond securities		0	0
Recurring Basis | Level 2
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		247,778	244,506
Other bond securities		3,581	2,593
Equity securities		64	76
Other invested assets		138	102
Derivative Assets, Fair Value, Gross		5,289	6,580
Short-term investments		1,842	3,589
Other assets		0	0
Separate account assets, at fair value		3,890	3,730
Fair value assets measured on recurring basis, total		262,582	261,176
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value		54	0
Derivative Liabilities, Fair Value, Gross		4,415	5,710
Fortitude Re funds withheld payable		0	0
Other liabilities		0	1
Long-term debt		1,871	2,097
Fair value liabilities measured on recurring basis, total		6,340	7,808
Recurring Basis | Level 2 | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		3,873	4,637
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		3,632	4,435
Recurring Basis | Level 2 | Foreign exchange contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		1,188	1,020
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		721	1,090
Recurring Basis | Level 2 | Equity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		224	923
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		46	162
Recurring Basis | Level 2 | Commodity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		4
Recurring Basis | Level 2 | Credit contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		0	0
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		16	23
Recurring Basis | Level 2 | Other contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		0	0
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		0	0
Recurring Basis | Level 2 | U.S. government and government sponsored entities
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		5,641	4,053
Other bond securities		1,750	1,845
Recurring Basis | Level 2 | Obligations of states, municipalities and political subdivisions
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		13,096	14,019
Other bond securities		97
Recurring Basis | Level 2 | Non-U.S. governments
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		16,314	15,312
Other bond securities		76	0
Recurring Basis | Level 2 | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		172,967	166,949
Other bond securities		916	12
Recurring Basis | Level 2 | Residential mortgage-backed securities (RMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		16,909	19,771
Other bond securities		215	290
Recurring Basis | Level 2 | Commercial mortgage-backed securities (CMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		14,619	15,211
Other bond securities		280	273
Recurring Basis | Level 2 | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		8,232	9,191
Other bond securities		247	173
Recurring Basis | Level 3
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		26,862	26,889
Other bond securities		2,697	2,698
Equity securities		6	51
Other invested assets		1,948	1,827
Derivative Assets, Fair Value, Gross		465	216
Short-term investments		0	0
Other assets		114	113
Separate account assets, at fair value		0	0
Fair value assets measured on recurring basis, total		32,092	31,794
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value		9,682	9,798
Derivative Liabilities, Fair Value, Gross		37	97
Fortitude Re funds withheld payable		5,922	6,042
Other liabilities		0	0
Long-term debt		0	0
Fair value liabilities measured on recurring basis, total		15,641	15,937
Recurring Basis | Level 3 | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		0	0
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		0	0
Recurring Basis | Level 3 | Foreign exchange contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		1	2
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		0	0
Recurring Basis | Level 3 | Equity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		450	198
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		6	47
Recurring Basis | Level 3 | Commodity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		0
Recurring Basis | Level 3 | Credit contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		1	2
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		31	44
Recurring Basis | Level 3 | Other contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		13	14
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		0	6
Recurring Basis | Level 3 | U.S. government and government sponsored entities
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		0	0
Other bond securities		0	0
Recurring Basis | Level 3 | Obligations of states, municipalities and political subdivisions
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		1,431	2,105
Other bond securities		0
Recurring Basis | Level 3 | Non-U.S. governments
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		7	5
Other bond securities		0	0
Recurring Basis | Level 3 | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		2,641	2,349
Other bond securities		134	0
Recurring Basis | Level 3 | Residential mortgage-backed securities (RMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		10,378	11,694
Other bond securities		196	139
Recurring Basis | Level 3 | Commercial mortgage-backed securities (CMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		1,190	922
Other bond securities		35	47
Recurring Basis | Level 3 | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		11,215	9,814
Other bond securities		$ 2,332	$ 2,512

[1] See Note 9 for details of balances associated with variable interest entities.