FAIR VALUE MEASUREMENTS (Details - Assets and Liabilities Measured at Fair Value on a Recurring Basis) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	$ 241,537	$ 248,245
Other bond securities	13,998	16,782
Equity securities available for sale	2,078	2,915
Other equity securities	482	921
Other invested assets	6,946	8,912
Derivative Assets, Fair Value	3,977	4,131
Derivative assets, Counterparty netting	(1,265)	(1,268)
Derivative assets, Cash collateral	(903)	(1,554)
Short-term investments, portion measured at fair value	3,341	2,591
Separate account assets, at fair value	82,972	79,574
Other assets	1,809	1,309
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	3,058	2,325
Other policyholder funds	3,989	4,212
Derivative Liabilities, Fair Value	4,802	4,048
Derivative liabilities, Counterparty netting	(1,265)	(1,268)
Derivative liabilities, Cash collateral	(1,521)	(760)
Long-term debt, portion measured at fair value	3,428	3,670
Other liabilities	2,016	2,082
Recurring Basis | U.S. government and government sponsored entities
Fair Value, Liabilities Measured on Recurring Basis
Assets transferred from Level 1 to Level 2	34	181
Recurring Basis | Non-U.S. government
Fair Value, Liabilities Measured on Recurring Basis
Assets transferred from Level 1 to Level 2	1,074	695
Recurring Basis | Level 1
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	115	683
Other bond securities	0	0
Equity securities available for sale	2,068	2,914
Other equity securities	482	906
Mortgage and other loans receivable		0
Other invested assets	0	2
Derivative Assets, Fair Value	188	91
Short-term investments, portion measured at fair value	2,660	1,416
Separate account assets, at fair value	77,318	73,699
Fair value assets measured on recurring basis, total	82,831	79,711
Fair Value, Liabilities Measured on Recurring Basis
Other policyholder funds	5	6
Derivative Liabilities, Fair Value	12
Other liabilities	0	0
Fair value liabilities measured on recurring basis, total	17	6
Recurring Basis | Level 1 | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	0	0
Recurring Basis | Level 1 | Equity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	188	91
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	12
Recurring Basis | Level 1 | U.S. government and government sponsored entities
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	63	0
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
Other bond securities	0	0
Recurring Basis | Level 1 | Non-U.S. government
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	52	683
Other bond securities	0	0
Recurring Basis | Level 1 | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale		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
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
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
Other bond securities	0	0
Recurring Basis | Level 1 | Common Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	1,056	2,401
Recurring Basis | Level 1 | Preferred Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	752	22
Recurring Basis | Level 1 | Mutual Funds
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	260	491
Recurring Basis | Level 2
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	211,451	218,745
Other bond securities	6,518	7,936
Equity securities available for sale	10	1
Other equity securities	0	1
Mortgage and other loans receivable		0
Other invested assets	1	1
Derivative Assets, Fair Value	3,713	3,950
Short-term investments, portion measured at fair value	681	1,175
Separate account assets, at fair value	5,654	5,875
Other assets		0
Fair value assets measured on recurring basis, total	228,028	237,684
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	25	36
Other policyholder funds		0
Derivative Liabilities, Fair Value	4,405	3,402
Long-term debt, portion measured at fair value	3,357	3,487
Other liabilities	0	62
Fair value liabilities measured on recurring basis, total	7,787	6,987
Recurring Basis | Level 2 | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	2,328	3,150
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	3,039	2,137
Recurring Basis | Level 2 | Foreign exchange contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	1,320	766
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	1,358	1,197
Recurring Basis | Level 2 | Equity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	59	32
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	7	68
Recurring Basis | Level 2 | Other contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	6	2
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	1	0
Recurring Basis | Level 2 | U.S. government and government sponsored entities
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	1,929	1,844
Other bond securities	2,939	3,369
Recurring Basis | Level 2 | Obligations of states, municipalities and political subdivisions
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	22,732	25,199
Other bond securities	0	75
Recurring Basis | Level 2 | Non-U.S. government
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	14,466	17,480
Other bond securities	51	50
Recurring Basis | Level 2 | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	131,047	134,618
Other bond securities	1,755	2,018
Recurring Basis | Level 2 | Residential mortgage-backed securities (RMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	20,468	19,690
Other bond securities	420	649
Recurring Basis | Level 2 | Commercial mortgage-backed securities (CMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	12,231	10,986
Other bond securities	448	557
Recurring Basis | Level 2 | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	8,578	8,928
Other bond securities	905	1,218
Recurring Basis | Level 2 | Common Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	9	0
Recurring Basis | Level 2 | Preferred Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	0	0
Recurring Basis | Level 2 | Mutual Funds
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	1	1
Recurring Basis | Level 3
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	29,971	28,817
Other bond securities	7,480	8,846
Equity securities available for sale	0	0
Other equity securities	0	14
Mortgage and other loans receivable	11	11
Other invested assets	204	332
Derivative Assets, Fair Value	76	90
Fair value assets measured on recurring basis, total	37,742	38,110
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	3,033	2,289
Derivative Liabilities, Fair Value	385	646
Long-term debt, portion measured at fair value	71	183
Fair value liabilities measured on recurring basis, total	3,489	3,118
Recurring Basis | Level 3 | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	0	12
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	38	62
Recurring Basis | Level 3 | Foreign exchange contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	0	0
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	11	7
Recurring Basis | Level 3 | Equity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	58	54
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	0	0
Recurring Basis | Level 3 | Credit contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	2	3
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	331	508
Recurring Basis | Level 3 | Other contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	16	21
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	5	69
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	2,040	2,124
Other bond securities	0	0
Recurring Basis | Level 3 | Non-U.S. government
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	17	32
Other bond securities	0	0
Recurring Basis | Level 3 | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	1,133	1,370
Other bond securities	17	17
Recurring Basis | Level 3 | Residential mortgage-backed securities (RMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	16,906	16,537
Other bond securities	1,605	1,581
Recurring Basis | Level 3 | Commercial mortgage-backed securities (CMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	2,040	2,585
Other bond securities	155	193
Recurring Basis | Level 3 | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	7,835	6,169
Other bond securities	5,703	7,055
Recurring Basis | Level 3 | Common Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale		0
Recurring Basis | Level 3 | Preferred Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale		0
Recurring Basis | Level 3 | Mutual Funds
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale		0
Recurring Basis | Counterparty Netting
Fair Value, Assets Measured on Recurring Basis
Derivative assets, Counterparty netting	(1,265)	(1,268)
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, Counterparty netting	(1,265)	(1,268)
Recurring Basis | Counterparty Netting | Counterparty netting and cash collateral
Fair Value, Assets Measured on Recurring Basis
Derivative assets, Counterparty netting	(1,265)	(1,268)
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, Counterparty netting	(1,265)	(1,268)
Recurring Basis | Cash Collateral
Fair Value, Assets Measured on Recurring Basis
Derivative assets, Cash collateral	(903)	(1,554)
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, Cash collateral	(1,521)	(760)
Recurring Basis | Cash Collateral | Counterparty netting and cash collateral
Fair Value, Assets Measured on Recurring Basis
Derivative assets, Cash collateral	(903)	(1,554)
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, Cash collateral	(1,521)	(760)
Recurring Basis | Total Fair Value
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	241,537	248,245
Other bond securities	13,998	16,782
Equity securities available for sale	2,078	2,915
Other equity securities	482	921
Mortgage and other loans receivable	11	11
Other invested assets	205	335
Derivative Assets, Fair Value	1,809	1,309
Short-term investments, portion measured at fair value	3,341	2,591
Separate account assets, at fair value	82,972	79,574
Other assets		0
Fair value assets measured on recurring basis, total	346,433	352,683
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	3,058	2,325
Other policyholder funds	5	6
Derivative Liabilities, Fair Value	2,016	2,020
Long-term debt, portion measured at fair value	3,428	3,670
Other liabilities	0	62
Fair value liabilities measured on recurring basis, total	8,507	8,083
Recurring Basis | Total Fair Value | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	2,328	3,162
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	3,077	2,199
Recurring Basis | Total Fair Value | Foreign exchange contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	1,320	766
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	1,369	1,204
Recurring Basis | Total Fair Value | Equity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	305	177
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	19	68
Recurring Basis | Total Fair Value | Credit contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	2	3
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	331	508
Recurring Basis | Total Fair Value | Other contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	22	23
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	6	69
Recurring Basis | Total Fair Value | Counterparty netting and cash collateral
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	(2,168)	(2,822)
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	(2,786)	(2,028)
Recurring Basis | Total Fair Value | U.S. government and government sponsored entities
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	1,992	1,844
Other bond securities	2,939	3,369
Recurring Basis | Total Fair Value | Obligations of states, municipalities and political subdivisions
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	24,772	27,323
Other bond securities	0	75
Recurring Basis | Total Fair Value | Non-U.S. government
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	14,535	18,195
Other bond securities	51	50
Recurring Basis | Total Fair Value | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	132,180	135,988
Other bond securities	1,772	2,035
Recurring Basis | Total Fair Value | Residential mortgage-backed securities (RMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	37,374	36,227
Other bond securities	2,025	2,230
Recurring Basis | Total Fair Value | Commercial mortgage-backed securities (CMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	14,271	13,571
Other bond securities	603	750
Recurring Basis | Total Fair Value | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	16,413	15,097
Other bond securities	6,608	8,273
Recurring Basis | Total Fair Value | Common Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	1,065	2,401
Recurring Basis | Total Fair Value | Preferred Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	752	22
Recurring Basis | Total Fair Value | Mutual Funds
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	$ 261	$ 492