FAIR VALUE MEASUREMENTS (Details - Assets and Liabilities Measured at Fair Value on a Recurring Basis) - USD ($) $ in Millions		Mar. 31, 2022	Dec. 31, 2021
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	[1]	$ 257,219	$ 277,202
Other bond securities	[1]	6,582	6,278
Equity securities	[1]	695	739
Other invested assets		11,687	10,504
Derivative Assets, Fair Value, Gross		5,828	5,761
Derivative assets, Counterparty netting		(3,295)	(2,779)
Derivative assets, Cash collateral		(1,877)	(2,139)
Derivative assets		656	843
Short-term investments		3,430	4,426
Separate account assets, at fair value		100,850	109,111
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value		8,080	9,736
Other policyholder funds		3,768	3,476
Derivative Liabilities, Fair Value, Gross		5,169	4,454
Derivative liabilities, Counterparty netting		(3,295)	(2,779)
Derivative liabilities, Cash collateral		(1,478)	(1,089)
Derivative liabilities		396	586
Fortitude Re funds withheld payable		36,481	40,771
Other liabilities		396	586
Long-term debt		1,782	1,871
Fair Value Using Net Asset Value Per Share or its equivalent		9,451	8,418
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		34,275	34,849
Recurring Basis
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		257,219	277,202
Other bond securities		6,582	6,278
Equity securities		695	739
Other invested assets		2,080	2,086
Derivative assets, Counterparty netting		(3,295)	(2,779)
Derivative assets, Cash collateral		(1,877)	(2,139)
Derivative assets, Counterparty netting and cash collateral		(5,172)	(4,918)
Derivative assets		656	843
Short-term investments		3,430	4,426
Other assets		108	114
Separate account assets, at fair value		100,850	109,111
Fair value assets measured on recurring basis, total		371,620	400,799
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value		8,080	9,736
Derivative liabilities, Counterparty netting		(3,295)	(2,779)
Derivative liabilities, Cash collateral		(1,478)	(1,089)
Derivative liabilities, Counterparty netting and cash collateral		(4,773)	(3,868)
Derivative liabilities		396	586
Fortitude Re funds withheld payable		2,206	5,922
Long-term debt		1,782	1,871
Fair value liabilities measured on recurring basis, total		12,464	18,115
Recurring Basis | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		4,003	3,873
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		4,404	3,633
Recurring Basis | Foreign exchange contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		1,404	1,189
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		665	721
Recurring Basis | Equity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		403	681
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		55	53
Recurring Basis | Commodity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		3	4
Recurring Basis | Credit contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		1	1
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		45	47
Recurring Basis | Other contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		14	13
Recurring Basis | U.S. government and government sponsored entities
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		7,867	8,194
Other bond securities		1,689	1,750
Recurring Basis | Obligations of states, municipalities and political subdivisions
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		13,513	14,527
Other bond securities		98	97
Recurring Basis | Non-U.S. governments
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		14,982	16,330
Other bond securities		85	76
Recurring Basis | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		161,628	175,608
Other bond securities		1,341	1,050
Recurring Basis | Residential mortgage-backed securities (RMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		24,535	27,287
Other bond securities		312	411
Recurring Basis | Commercial mortgage-backed securities (CMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		15,100	15,809
Other bond securities		317	315
Recurring Basis | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		19,594	19,447
Other bond securities		2,740	2,579
Recurring Basis | Level 1
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		120	2,562
Other bond securities		0	0
Equity securities		639	669
Other invested assets		0	0
Derivative Assets, Fair Value, Gross		32	7
Short-term investments		2,140	2,584
Other assets		0	0
Separate account assets, at fair value		97,083	105,221
Fair value assets measured on recurring basis, total		100,014	111,043
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value		0	0
Derivative Liabilities, Fair Value, Gross		9	2
Fortitude Re funds withheld payable		0	0
Long-term debt		0	0
Fair value liabilities measured on recurring basis, total		9	2
Recurring Basis | Level 1 | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		1	0
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		2	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		31	7
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		7	1
Recurring Basis | Level 1 | Commodity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		0	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
Recurring Basis | Level 1 | U.S. government and government sponsored entities
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		8	2,553
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	0
Recurring Basis | Level 1 | Non-U.S. governments
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		112	9
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		231,695	247,778
Other bond securities		3,622	3,581
Equity securities		50	64
Other invested assets		145	138
Derivative Assets, Fair Value, Gross		5,587	5,289
Short-term investments		1,290	1,842
Other assets		0	0
Separate account assets, at fair value		3,767	3,890
Fair value assets measured on recurring basis, total		246,156	262,582
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value		50	54
Derivative Liabilities, Fair Value, Gross		5,116	4,415
Fortitude Re funds withheld payable		0	0
Long-term debt		1,782	1,871
Fair value liabilities measured on recurring basis, total		6,948	6,340
Recurring Basis | Level 2 | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		3,998	3,873
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		4,402	3,632
Recurring Basis | Level 2 | Foreign exchange contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		1,404	1,188
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		665	721
Recurring Basis | Level 2 | Equity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		182	224
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		36	46
Recurring Basis | Level 2 | Commodity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		3	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		13	16
Recurring Basis | Level 2 | Other contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, 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		7,859	5,641
Other bond securities		1,689	1,750
Recurring Basis | Level 2 | Obligations of states, municipalities and political subdivisions
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		12,426	13,096
Other bond securities		98	97
Recurring Basis | Level 2 | Non-U.S. governments
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		14,862	16,314
Other bond securities		85	76
Recurring Basis | Level 2 | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		158,884	172,967
Other bond securities		1,081	916
Recurring Basis | Level 2 | Residential mortgage-backed securities (RMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		15,610	16,909
Other bond securities		113	215
Recurring Basis | Level 2 | Commercial mortgage-backed securities (CMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		14,236	14,619
Other bond securities		284	280
Recurring Basis | Level 2 | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		7,818	8,232
Other bond securities		272	247
Recurring Basis | Level 3
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		25,404	26,862
Other bond securities		2,960	2,697
Equity securities		6	6
Other invested assets		1,935	1,948
Derivative Assets, Fair Value, Gross		209	465
Short-term investments		0	0
Other assets		108	114
Separate account assets, at fair value		0	0
Fair value assets measured on recurring basis, total		30,622	32,092
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value		8,030	9,682
Derivative Liabilities, Fair Value, Gross		44	37
Fortitude Re funds withheld payable		2,206	5,922
Long-term debt		0	0
Fair value liabilities measured on recurring basis, total		10,280	15,641
Recurring Basis | Level 3 | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		4	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		0	1
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		190	450
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		12	6
Recurring Basis | Level 3 | Commodity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		0	0
Recurring Basis | Level 3 | Credit contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		1	1
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value, Gross		32	31
Recurring Basis | Level 3 | Other contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value, Gross		14	13
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		1,087	1,431
Other bond securities		0	0
Recurring Basis | Level 3 | Non-U.S. governments
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		8	7
Other bond securities		0	0
Recurring Basis | Level 3 | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		2,744	2,641
Other bond securities		260	134
Recurring Basis | Level 3 | Residential mortgage-backed securities (RMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		8,925	10,378
Other bond securities		199	196
Recurring Basis | Level 3 | Commercial mortgage-backed securities (CMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		864	1,190
Other bond securities		33	35
Recurring Basis | Level 3 | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		11,776	11,215
Other bond securities		$ 2,468	$ 2,332

[1] See Note 8 for details of balances associated with variable interest entities.