FAIR VALUE MEASUREMENTS (Details - Assets and Liabilities Measured at Fair Value on a Recurring Basis) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	$ 230,698		$ 241,537
Other bond securities	13,605		13,998
Equity securities available for sale	2,099		2,078
Other equity securities	500		482
Other invested assets	7,094		6,946
Derivative Assets, Fair Value	3,930		3,977
Derivative assets, Counterparty netting	(1,269)		(1,265)
Derivative assets, Cash collateral	(1,414)		(903)
Short-term investments, portion measured at fair value	2,453		3,341
Separate account assets, at fair value	85,917		82,972
Other assets	1,247		1,809
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	3,097		3,058
Other policyholder funds	3,719		3,989
Derivative Liabilities, Fair Value	3,991		4,802
Derivative liabilities, Counterparty netting	(1,269)		(1,265)
Derivative liabilities, Cash collateral	(1,461)		(1,521)
Long-term debt, portion measured at fair value	3,151		3,428
Other liabilities	1,261		2,016
U.S. government and government sponsored entities
Fair Value, Liabilities Measured on Recurring Basis
Assets transferred from Level 1 to Level 2	63	$ 0
Non-U.S. government
Fair Value, Liabilities Measured on Recurring Basis
Assets transferred from Level 1 to Level 2	53	83
Recurring Basis
Fair Value, Liabilities Measured on Recurring Basis
Assets transferred from Level 2 to Level 1	0	$ 0
Recurring Basis | Level 1
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	234		115
Other bond securities	0		0
Equity securities available for sale	2,089		2,068
Other equity securities	500		482
Mortgage and other loans receivable	0
Other invested assets	0		0
Derivative Assets, Fair Value	274		188
Short-term investments, portion measured at fair value	2,110		2,660
Separate account assets, at fair value	80,323		77,318
Other assets	0
Fair value assets measured on recurring basis, total	85,530		82,831
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	0		0
Other policyholder funds	5		5
Derivative Liabilities, Fair Value	40		12
Long-term debt, portion measured at fair value	0		0
Other liabilities	0		0
Fair value liabilities measured on recurring basis, total	45		17
Recurring Basis | Level 1 | Interest rate 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	2		0
Recurring Basis | Level 1 | 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	0		0
Recurring Basis | Level 1 | Equity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	274		188
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	38		12
Recurring Basis | Level 1 | Commodity 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	0		0
Recurring Basis | Level 1 | Credit 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	0		0
Recurring Basis | Level 1 | Other 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	0		0
Recurring Basis | Level 1 | U.S. government and government sponsored entities
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	51		63
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. government
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	183		52
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 1 | Common Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	978		1,056
Recurring Basis | Level 1 | Preferred Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	825		752
Recurring Basis | Level 1 | Mutual Funds
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	286		260
Recurring Basis | Level 2
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	202,083		211,451
Other bond securities	6,512		6,518
Equity securities available for sale	2		10
Other equity securities	0		0
Mortgage and other loans receivable	0
Other invested assets	404		1
Derivative Assets, Fair Value	3,575		3,713
Short-term investments, portion measured at fair value	343		681
Separate account assets, at fair value	5,594		5,654
Other assets	0		0
Fair value assets measured on recurring basis, total	218,513		228,028
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	25		25
Other policyholder funds	0		0
Derivative Liabilities, Fair Value	3,590		4,405
Long-term debt, portion measured at fair value	3,093		3,357
Other liabilities	0		0
Fair value liabilities measured on recurring basis, total	6,708		7,787
Recurring Basis | Level 2 | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	2,349		2,328
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	2,481		3,039
Recurring Basis | Level 2 | Foreign exchange contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	1,111		1,320
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	1,099		1,358
Recurring Basis | Level 2 | Equity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	111		59
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	10		7
Recurring Basis | Level 2 | Commodity 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	0		0
Recurring Basis | Level 2 | Credit 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	0		0
Recurring Basis | Level 2 | Other contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	4		6
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	0		1
Recurring Basis | Level 2 | U.S. government and government sponsored entities
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	2,311		1,929
Other bond securities	2,931		2,939
Recurring Basis | Level 2 | Obligations of states, municipalities and political subdivisions
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	17,662		22,732
Other bond securities	0		0
Recurring Basis | Level 2 | Non-U.S. government
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	14,108		14,466
Other bond securities	50		51
Recurring Basis | Level 2 | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	128,251		131,047
Other bond securities	1,755		1,755
Recurring Basis | Level 2 | Residential mortgage-backed securities (RMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	18,800		20,468
Other bond securities	469		420
Recurring Basis | Level 2 | Commercial mortgage-backed securities (CMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	12,606		12,231
Other bond securities	471		448
Recurring Basis | Level 2 | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	8,345		8,578
Other bond securities	836		905
Recurring Basis | Level 2 | Common Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	0		9
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	2		1
Recurring Basis | Level 3
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	28,381		29,971
Other bond securities	7,093		7,480
Equity securities available for sale	8		0
Other equity securities	0		0
Mortgage and other loans receivable	11		11
Other invested assets	180		204
Derivative Assets, Fair Value	81		76
Short-term investments, portion measured at fair value	0		0
Separate account assets, at fair value	0
Other assets	0
Fair value assets measured on recurring basis, total	35,754		37,742
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	3,072		3,033
Other policyholder funds	0		0
Derivative Liabilities, Fair Value	361		385
Long-term debt, portion measured at fair value	58		71
Other liabilities	0		0
Fair value liabilities measured on recurring basis, total	3,491		3,489
Recurring Basis | Level 3 | Interest rate 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	32		38
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	6		11
Recurring Basis | Level 3 | Equity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	62		58
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	0		0
Recurring Basis | Level 3 | Commodity 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	0		0
Recurring Basis | Level 3 | Credit contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	2		2
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	317		331
Recurring Basis | Level 3 | Other contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	17		16
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	6		5
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	2,041		2,040
Other bond securities	0		0
Recurring Basis | Level 3 | Non-U.S. government
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	16		17
Other bond securities	0		0
Recurring Basis | Level 3 | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	1,079		1,133
Other bond securities	18		17
Recurring Basis | Level 3 | Residential mortgage-backed securities (RMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	16,487		16,906
Other bond securities	1,502		1,605
Recurring Basis | Level 3 | Commercial mortgage-backed securities (CMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	1,003		2,040
Other bond securities	65		155
Recurring Basis | Level 3 | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	7,755		7,835
Other bond securities	5,508		5,703
Recurring Basis | Level 3 | Common Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	8		0
Recurring Basis | Level 3 | Preferred Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	0		0
Recurring Basis | Level 3 | Mutual Funds
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	0		0
Recurring Basis | Counterparty Netting
Fair Value, Assets Measured on Recurring Basis
Other bond securities	0
Equity securities available for sale	0
Other equity securities	0
Other invested assets	0
Derivative assets, Counterparty netting	(1,269)		(1,265)
Separate account assets, at fair value	0
Other assets	0
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	0
Derivative liabilities, Counterparty netting	(1,269)		(1,265)
Long-term debt, portion measured at fair value	0
Other liabilities	0
Recurring Basis | Counterparty Netting | Counterparty netting and cash collateral
Fair Value, Assets Measured on Recurring Basis
Derivative assets, Counterparty netting	(1,269)		(1,265)
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, Counterparty netting	(1,269)		(1,265)
Recurring Basis | Cash Collateral
Fair Value, Assets Measured on Recurring Basis
Other bond securities	0
Equity securities available for sale	0
Other equity securities	0
Other invested assets	0
Derivative assets, Cash collateral	(1,414)		(903)
Separate account assets, at fair value	0
Other assets	0
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	0
Derivative liabilities, Cash collateral	(1,461)		(1,521)
Long-term debt, portion measured at fair value	0
Other liabilities	0
Recurring Basis | Cash Collateral | Counterparty netting and cash collateral
Fair Value, Assets Measured on Recurring Basis
Derivative assets, Cash collateral	(1,414)		(903)
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, Cash collateral	(1,461)		(1,521)
Recurring Basis | Total Fair Value
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	230,698		241,537
Other bond securities	13,605		13,998
Equity securities available for sale	2,099		2,078
Other equity securities	500		482
Mortgage and other loans receivable	11		11
Other invested assets	584		205
Derivative Assets, Fair Value	1,247		1,809
Short-term investments, portion measured at fair value	2,453		3,341
Separate account assets, at fair value	85,917		82,972
Other assets			0
Fair value assets measured on recurring basis, total	337,114		346,433
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	3,097		3,058
Other policyholder funds	5		5
Derivative Liabilities, Fair Value	1,261		2,016
Long-term debt, portion measured at fair value	3,151		3,428
Other liabilities	0		0
Fair value liabilities measured on recurring basis, total	7,514		8,507
Recurring Basis | Total Fair Value | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	2,349		2,328
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	2,515		3,077
Recurring Basis | Total Fair Value | Foreign exchange contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	1,111		1,320
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	1,105		1,369
Recurring Basis | Total Fair Value | Equity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	447		305
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	48		19
Recurring Basis | Total Fair Value | Commodity 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	0		0
Recurring Basis | Total Fair Value | Credit contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	2		2
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	317		331
Recurring Basis | Total Fair Value | Other contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	21		22
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	6		6
Recurring Basis | Total Fair Value | Counterparty netting and cash collateral
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	(2,683)		(2,168)
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	(2,730)		(2,786)
Recurring Basis | Total Fair Value | U.S. government and government sponsored entities
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	2,362		1,992
Other bond securities	2,931		2,939
Recurring Basis | Total Fair Value | Obligations of states, municipalities and political subdivisions
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	19,703		24,772
Other bond securities	0		0
Recurring Basis | Total Fair Value | Non-U.S. government
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	14,307		14,535
Other bond securities	50		51
Recurring Basis | Total Fair Value | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	129,330		132,180
Other bond securities	1,773		1,772
Recurring Basis | Total Fair Value | Residential mortgage-backed securities (RMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	35,287		37,374
Other bond securities	1,971		2,025
Recurring Basis | Total Fair Value | Commercial mortgage-backed securities (CMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	13,609		14,271
Other bond securities	536		603
Recurring Basis | Total Fair Value | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	16,100		16,413
Other bond securities	6,344		6,608
Recurring Basis | Total Fair Value | Common Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	986		1,065
Recurring Basis | Total Fair Value | Preferred Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	825		752
Recurring Basis | Total Fair Value | Mutual Funds
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	$ 288		$ 261