FAIR VALUE MEASUREMENTS (Details - Changes in Level 3 Recurring Fair Value Measurements) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	$ 37,576	$ 39,643	$ 38,020	$ 39,655
Net Realized and Unrealized Gains (Losses) Included in Income	476	359	990	1,994
Other Comprehensive Income (Loss)	309	(144)	91	(1,113)
Purchases, Sales, Issues and Settlements, Net	(20)	(638)	(415)	(1,984)
Gross Transfers in, assets	307	1,049	1,003	2,168
Gross Transfers out, assets	(192)	(627)	(1,233)	(1,078)
Reclassified to Assets Held for Sale	(88)		(88)
Balance End of Period	38,368	39,642	38,368	39,642
Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	16	19	(411)	(81)
Liabilities
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	4,535	1,998	3,028	2,794
Net realized and unrealized gains and losses related to Level 3 items, liabilities	9	894	1,457	189
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	(11)	152	161	61
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	1	0	(112)	0
Balance at the End of the Period	4,534	3,044	4,534	3,044
Liabilities | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, liabilities	67	15	95	189
Policyholder contract deposits
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	3,990	1,232	2,289	1,509
Net realized and unrealized gains and losses related to Level 3 items, liabilities	65	871	1,508	410
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	(33)	146	225	330
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	0	0	0	0
Balance at the End of the Period	4,022	2,249	4,022	2,249
Policyholder contract deposits | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, liabilities	1	32	38	72
Derivative liabilities, net
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	478	573	556	1,072
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(59)	26	(54)	(216)
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	22	6	(61)	(251)
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	1	0	1	0
Balance at the End of the Period	442	605	442	605
Derivative liabilities, net | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, liabilities	69	(17)	57	104
Interest rate contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	46	62	50	74
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(3)	3	4	3
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	9	(7)	(2)	(19)
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	0	0	0	0
Balance at the End of the Period	52	58	52	58
Interest rate contracts | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, liabilities	4	(4)	(5)	(4)
Foreign exchange contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	9	7	7	8
Net realized and unrealized gains and losses related to Level 3 items, liabilities	1	1	3	(2)
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	(1)	(1)	(1)	1
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	0	0	0	0
Balance at the End of the Period	9	7	9	7
Foreign exchange contracts | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, liabilities	(1)	(2)	(2)	1
Equity contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	(52)	(63)	(54)	(47)
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(5)	21	(5)	15
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	3	3	5	(7)
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	0	0	0	0
Balance at the End of the Period	(54)	(39)	(54)	(39)
Equity contracts | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, liabilities	5	(21)	5	(19)
Commodity contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	0	0	0	0
Net realized and unrealized gains and losses related to Level 3 items, liabilities	0	0	0	0
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	0	0	0	0
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	0	0	0	0
Balance at the End of the Period	0	0	0	0
Commodity contracts | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Purchases, Sales, Issues and Settlements-Net		0
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, liabilities	0	0	0	0
Credit contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	373	551	505	978
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(36)	(11)	(70)	(171)
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	7	(12)	(91)	(279)
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	1	0	1	0
Balance at the End of the Period	345	528	345	528
Credit contracts | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, liabilities	28	23	56	73
Other contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	102	16	48	59
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(16)	12	14	(61)
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	4	23	28	53
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	0	0	0	0
Balance at the End of the Period	90	51	90	51
Other contracts | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, liabilities	33	(13)	3	53
Long-term debt
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	67	193	183	213
Net realized and unrealized gains and losses related to Level 3 items, liabilities	3	(3)	3	(5)
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	0	0	(3)	(18)
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	0	0	(113)	0
Balance at the End of the Period	70	190	70	190
Long-term debt | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, liabilities	(3)	0	0	13
Bonds available for sale
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	29,326	30,176	28,817	29,683
Net Realized and Unrealized Gains (Losses) Included in Income	268	294	830	1,024
Other Comprehensive Income (Loss)	308	(123)	89	(604)
Purchases, Sales, Issues and Settlements, Net	617	(371)	1,056	(265)
Gross Transfers in, assets	307	993	938	1,449
Gross Transfers out, assets	(192)	(626)	(1,096)	(944)
Reclassified to Assets Held for Sale	(88)		(88)
Balance End of Period	30,546	30,343	30,546	30,343
Bonds available for sale | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0	0	0
Bonds available for sale | Obligations of states, municipalities and political subdivisions
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	2,313	2,180	2,124	2,159
Net Realized and Unrealized Gains (Losses) Included in Income	1	(1)	3	0
Other Comprehensive Income (Loss)	(5)	(15)	189	(94)
Purchases, Sales, Issues and Settlements, Net	58	16	51	174
Gross Transfers in, assets	2	0	2	0
Gross Transfers out, assets	(78)	(40)	(78)	(99)
Balance End of Period	2,291	2,140	2,291	2,140
Bonds available for sale | Obligations of states, municipalities and political subdivisions | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0	0	0
Bonds available for sale | Non-U.S. government
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	28	33	32	30
Net Realized and Unrealized Gains (Losses) Included in Income	(3)	0	(3)	0
Other Comprehensive Income (Loss)	(9)	(1)	(11)	(2)
Purchases, Sales, Issues and Settlements, Net	3	(1)	5	3
Gross Transfers in, assets	0	0	0	0
Gross Transfers out, assets	0	0	(4)	0
Balance End of Period	19	31	19	31
Bonds available for sale | Non-U.S. government | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0	0	0
Bonds available for sale | Corporate debt
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	836	2,118	1,370	1,883
Net Realized and Unrealized Gains (Losses) Included in Income	(4)	5	(1)	19
Other Comprehensive Income (Loss)	7	2	(10)	(31)
Purchases, Sales, Issues and Settlements, Net	(6)	(63)	(42)	(209)
Gross Transfers in, assets	267	987	581	1,443
Gross Transfers out, assets	(82)	(573)	(880)	(629)
Reclassified to Assets Held for Sale	(1)		(1)
Balance End of Period	1,017	2,476	1,017	2,476
Bonds available for sale | Corporate debt | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0	0	0
Bonds available for sale | Residential mortgage-backed securities (RMBS)
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	16,779	17,097	16,537	16,805
Net Realized and Unrealized Gains (Losses) Included in Income	255	265	734	804
Other Comprehensive Income (Loss)	304	(151)	(55)	(322)
Purchases, Sales, Issues and Settlements, Net	(165)	(352)	(337)	(428)
Gross Transfers in, assets	36	0	330	0
Gross Transfers out, assets	0	0	0	0
Balance End of Period	17,209	16,859	17,209	16,859
Bonds available for sale | Residential mortgage-backed securities (RMBS) | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0	0	0
Bonds available for sale | Commercial mortgage-backed securities (CMBS)
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	2,295	2,677	2,585	2,696
Net Realized and Unrealized Gains (Losses) Included in Income	12	17	70	63
Other Comprehensive Income (Loss)	(5)	(15)	(83)	(45)
Purchases, Sales, Issues and Settlements, Net	(1)	50	(169)	97
Gross Transfers in, assets	2	0	2	0
Gross Transfers out, assets	(32)	0	(134)	(82)
Reclassified to Assets Held for Sale	(6)		(6)
Balance End of Period	2,265	2,729	2,265	2,729
Bonds available for sale | Commercial mortgage-backed securities (CMBS) | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0	0	0
Bonds available for sale | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	7,075	6,071	6,169	6,110
Net Realized and Unrealized Gains (Losses) Included in Income	7	8	27	138
Other Comprehensive Income (Loss)	16	57	59	(110)
Purchases, Sales, Issues and Settlements, Net	728	(21)	1,548	98
Gross Transfers in, assets	0	6	23	6
Gross Transfers out, assets	0	(13)	0	(134)
Reclassified to Assets Held for Sale	(81)		(81)
Balance End of Period	7,745	6,108	7,745	6,108
Bonds available for sale | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS) | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0	0	0
Other bond securities
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	7,984	9,002	8,846	8,923
Net Realized and Unrealized Gains (Losses) Included in Income	212	80	165	511
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issues and Settlements, Net	(641)	(254)	(1,438)	(1,114)
Gross Transfers in, assets	0	56	65	697
Gross Transfers out, assets	0	(1)	(83)	(134)
Balance End of Period	7,555	8,883	7,555	8,883
Other bond securities | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	16	19	(409)	(79)
Other bond securities | Corporate debt
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	18	16	17
Net Realized and Unrealized Gains (Losses) Included in Income	1	0	3	0
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issues and Settlements, Net	0	0	(1)	0
Gross Transfers in, assets	0	0	0	16
Balance End of Period	19	16	19	16
Other bond securities | Corporate debt | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0		3	0
Other bond securities | Residential mortgage-backed securities (RMBS)
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	1,486	1,337	1,581	1,105
Net Realized and Unrealized Gains (Losses) Included in Income	30	(4)	7	22
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issues and Settlements, Net	(120)	169	(174)	389
Gross Transfers in, assets	0	0	0	44
Gross Transfers out, assets	0	(1)	(18)	(59)
Balance End of Period	1,396	1,501	1,396	1,501
Other bond securities | Residential mortgage-backed securities (RMBS) | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	12	(3)	(48)	(21)
Other bond securities | Commercial mortgage-backed securities (CMBS)
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	168	223	193	369
Net Realized and Unrealized Gains (Losses) Included in Income	6	(1)	4	7
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issues and Settlements, Net	(15)	(8)	(38)	(162)
Gross Transfers in, assets	0	5	0	5
Gross Transfers out, assets	0	0	0	0
Balance End of Period	159	219	159	219
Other bond securities | Commercial mortgage-backed securities (CMBS) | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	4	(1)	14	(3)
Other bond securities | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	6,312	7,426	7,055	7,449
Net Realized and Unrealized Gains (Losses) Included in Income	175	85	151	482
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issues and Settlements, Net	(506)	(415)	(1,225)	(1,341)
Gross Transfers in, assets	0	51	65	632
Gross Transfers out, assets	0	0	(65)	(75)
Balance End of Period	5,981	7,147	5,981	7,147
Other bond securities | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS) | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	23	(378)	(55)
Equity securities available for sale
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	0	0	0	1
Net Realized and Unrealized Gains (Losses) Included in Income	0	0	0	2
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issues and Settlements, Net	0	0	0	(3)
Gross Transfers in, assets	0	0	0	0
Gross Transfers out, assets	0	0	0	0
Balance End of Period	0	0	0	0
Equity securities available for sale | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0	0	0
Equity securities available for sale | Common Stock
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	0	0	0	1
Net Realized and Unrealized Gains (Losses) Included in Income	0	0	0	2
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issues and Settlements, Net	0	0	0	(3)
Gross Transfers in, assets	0	0	0	0
Gross Transfers out, assets	0	0	0	0
Balance End of Period	0	0	0	0
Equity securities available for sale | Common Stock | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0	0	0
Mortgage and other loans receivable
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	11	6	11	6
Purchases, Sales, Issues and Settlements, Net	0	5	0	5
Gross Transfers out, assets	0		0
Balance End of Period	11	11	11	11
Other invested assets
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	241	437	332	1,042
Net Realized and Unrealized Gains (Losses) Included in Income	(4)	(15)	(5)	457
Other Comprehensive Income (Loss)	1	(21)	2	(509)
Purchases, Sales, Issues and Settlements, Net	18	(18)	(19)	(607)
Gross Transfers in, assets	0	0	0	0
Gross Transfers out, assets	0	0	(54)	0
Balance End of Period	256	383	256	383
Other invested assets | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0		(2)
Other equity securities
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	14	22	14
Net Realized and Unrealized Gains (Losses) Included in Income	0
Purchases, Sales, Issues and Settlements, Net	(14)		(14)
Gross Transfers in, assets			0	22
Balance End of Period	$ 0	$ 22	0	22
Other equity securities | Trading Revenue
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets			$ 0	$ (2)