FAIR VALUE MEASUREMENTS (Details - Changes in Level 3 Recurring Fair Value Measurements) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	$ 36,938	$ 40,483	$ 38,020	$ 39,655
Net Realized and Unrealized Gains (Losses) Included in Income	373	796	514	1,635
Other Comprehensive Income (Loss)	313	(506)	(218)	(969)
Purchases, Sales, Issues and Settlements, Net	(96)	(1,468)	(395)	(1,346)
Gross Transfers in, assets	454	427	696	1,119
Gross Transfers out, assets	(406)	(89)	(1,041)	(451)
Balance End of Period	37,576	39,643	37,576	39,643
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	(69)	125	(414)	59
Liabilities
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	4,052	2,882	3,028	2,794
Net realized and unrealized gains and losses related to Level 3 items, liabilities	544	(799)	1,448	(705)
Accumulated Other Comprehensive Income (loss)	0	2	0	0
Purchases, Sales, Issues and Settlements-Net	52	(87)	172	(91)
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	(113)	0	(113)	0
Balance at the End of the Period	4,535	1,998	4,535	1,998
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	59	160	31	155
Policyholder contract deposits
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	3,251	1,835	2,289	1,509
Net realized and unrealized gains and losses related to Level 3 items, liabilities	598	(736)	1,443	(461)
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	141	133	258	184
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	0	0	0	0
Balance at the End of the Period	3,990	1,232	3,990	1,232
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	16	110	37	40
Derivative liabilities, net
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	617	861	556	1,072
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(52)	(76)	5	(242)
Accumulated Other Comprehensive Income (loss)	0	2	0	0
Purchases, Sales, Issues and Settlements-Net	(87)	(214)	(83)	(257)
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	0	0	0	0
Balance at the End of the Period	478	573	478	573
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	43	56	(9)	102
Interest rate contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	48	69	50	74
Net realized and unrealized gains and losses related to Level 3 items, liabilities	3	(4)	7	0
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	(5)	(3)	(11)	(12)
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	0	0	0	0
Balance at the End of the Period	46	62	46	62
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	0	3	(5)	(1)
Foreign exchange contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	9	8	7	8
Net realized and unrealized gains and losses related to Level 3 items, liabilities	1	(2)	2	(3)
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	(1)	1	0	2
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)	1	(1)	3
Equity contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	(51)	(66)	(54)	(47)
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(4)	2	0	(6)
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	3	1	2	(10)
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	0	0	0	0
Balance at the End of the Period	(52)	(63)	(52)	(63)
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	3	(3)	0	2
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	490	791	505	978
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(28)	(13)	(34)	(160)
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	(89)	(227)	(98)	(267)
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	0	0	0	0
Balance at the End of the Period	373	551	373	551
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	18	22	28	50
Other contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	121	59	48	59
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(24)	(59)	30	(73)
Accumulated Other Comprehensive Income (loss)	0	2	0	0
Purchases, Sales, Issues and Settlements-Net	5	14	24	30
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	0	0	0	0
Balance at the End of the Period	102	16	102	16
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	23	33	(31)	48
Long-term debt
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	184	186	183	213
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(2)	13	0	(2)
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	(2)	(6)	(3)	(18)
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	(113)	0	(113)	0
Balance at the End of the Period	67	193	67	193
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	0	(6)	3	13
Bonds available for sale
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	28,372	30,609	28,817	29,683
Net Realized and Unrealized Gains (Losses) Included in Income	262	414	562	730
Other Comprehensive Income (Loss)	307	(510)	(219)	(481)
Purchases, Sales, Issues and Settlements, Net	272	(688)	439	106
Gross Transfers in, assets	454	412	631	456
Gross Transfers out, assets	(341)	(61)	(904)	(318)
Balance End of Period	29,326	30,176	29,326	30,176
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	2,196	2,256	2,124	2,159
Net Realized and Unrealized Gains (Losses) Included in Income	2	0	2	1
Other Comprehensive Income (Loss)	136	(124)	194	(79)
Purchases, Sales, Issues and Settlements, Net	(21)	93	(7)	158
Gross Transfers in, assets	0	0	0	0
Gross Transfers out, assets	0	(45)	0	(59)
Balance End of Period	2,313	2,180	2,313	2,180
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	30	34	32	30
Net Realized and Unrealized Gains (Losses) Included in Income	0	0	0	0
Other Comprehensive Income (Loss)	0	(1)	(2)	(1)
Purchases, Sales, Issues and Settlements, Net	2	0	2	4
Gross Transfers in, assets	0	0	0	0
Gross Transfers out, assets	(4)	0	(4)	0
Balance End of Period	28	33	28	33
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	1,024	1,827	1,370	1,883
Net Realized and Unrealized Gains (Losses) Included in Income	2	14	3	14
Other Comprehensive Income (Loss)	7	(50)	(17)	(33)
Purchases, Sales, Issues and Settlements, Net	(65)	(85)	(36)	(146)
Gross Transfers in, assets	193	412	314	456
Gross Transfers out, assets	(325)	0	(798)	(56)
Balance End of Period	836	2,118	836	2,118
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	16,162	17,345	16,537	16,805
Net Realized and Unrealized Gains (Losses) Included in Income	234	281	479	539
Other Comprehensive Income (Loss)	61	(99)	(359)	(171)
Purchases, Sales, Issues and Settlements, Net	61	(430)	(172)	(76)
Gross Transfers in, assets	261	0	294	0
Gross Transfers out, assets	0	0	0	0
Balance End of Period	16,779	17,097	16,779	17,097
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	2,368	2,694	2,585	2,696
Net Realized and Unrealized Gains (Losses) Included in Income	16	22	58	46
Other Comprehensive Income (Loss)	10	(40)	(78)	(30)
Purchases, Sales, Issues and Settlements, Net	(87)	17	(168)	47
Gross Transfers in, assets	0	0	0	0
Gross Transfers out, assets	(12)	(16)	(102)	(82)
Balance End of Period	2,295	2,677	2,295	2,677
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	6,592	6,453	6,169	6,110
Net Realized and Unrealized Gains (Losses) Included in Income	8	97	20	130
Other Comprehensive Income (Loss)	93	(196)	43	(167)
Purchases, Sales, Issues and Settlements, Net	382	(283)	820	119
Gross Transfers in, assets	0	0	23	0
Gross Transfers out, assets	0	0	0	(121)
Balance End of Period	7,075	6,071	7,075	6,071
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	8,277	9,423	8,846	8,923
Net Realized and Unrealized Gains (Losses) Included in Income	124	318	(47)	431
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issues and Settlements, Net	(352)	(726)	(797)	(860)
Gross Transfers in, assets	0	15	65	641
Gross Transfers out, assets	(65)	(28)	(83)	(133)
Balance End of Period	7,984	9,002	7,984	9,002
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	(69)	125	(415)	59
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	2	0
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issues and Settlements, Net	(1)	0	(1)	0
Gross Transfers in, assets	0	0	0	16
Balance End of Period	18	16	18	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	1		3	(1)
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	1,513	1,288	1,581	1,105
Net Realized and Unrealized Gains (Losses) Included in Income	14	45	(23)	26
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issues and Settlements, Net	(41)	16	(54)	220
Gross Transfers in, assets	0	15	0	44
Gross Transfers out, assets	0	(27)	(18)	(58)
Balance End of Period	1,486	1,337	1,486	1,337
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	(19)	31	(61)	1
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	170	269	193	369
Net Realized and Unrealized Gains (Losses) Included in Income	0	8	(2)	8
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issues and Settlements, Net	(2)	(54)	(23)	(154)
Gross Transfers in, assets	0	0	0	0
Gross Transfers out, assets	0	0	0	0
Balance End of Period	168	223	168	223
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	9	1	7	8
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	6,576	7,850	7,055	7,449
Net Realized and Unrealized Gains (Losses) Included in Income	109	265	(24)	397
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issues and Settlements, Net	(308)	(688)	(719)	(926)
Gross Transfers in, assets	0	0	65	581
Gross Transfers out, assets	(65)	(1)	(65)	(75)
Balance End of Period	6,312	7,426	6,312	7,426
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	(60)	93	(364)	51
Equity securities available for sale
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	0	1	0	1
Net Realized and Unrealized Gains (Losses) Included in Income	0	2	0	2
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issues and Settlements, Net	0	(3)	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	1	0	1
Net Realized and Unrealized Gains (Losses) Included in Income	0	2	0	2
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issues and Settlements, Net	0	(3)	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
Equity securities available for sale | Preferred Stock
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	0	0	0	0
Net Realized and Unrealized Gains (Losses) Included in Income	0	0	0	0
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issues and Settlements, Net	0	0	0	0
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 | Preferred 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
Equity securities available for sale | Mutual Funds
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	0
Gross Transfers in, assets	0	0		0
Balance End of Period	0	0	0	0
Equity securities available for sale | Mutual Funds | 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
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
Gross Transfers out, assets	0
Balance End of Period	11	6	11	6
Other invested assets
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	263	422	332	1,042
Net Realized and Unrealized Gains (Losses) Included in Income	(12)	62	(1)	472
Other Comprehensive Income (Loss)	6	4	1	(488)
Purchases, Sales, Issues and Settlements, Net	(16)	(51)	(37)	(589)
Gross Transfers in, assets	0	0	0	0
Gross Transfers out, assets	0	0	(54)	0
Balance End of Period	241	437	241	437
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		0
Other equity securities
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	15	22	14
Net Realized and Unrealized Gains (Losses) Included in Income	(1)
Gross Transfers in, assets			0	22
Balance End of Period	$ 14	$ 22	14	$ 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			$ 1