FAIR VALUE MEASUREMENTS (Details - Changes in Level 3 Recurring Fair Value Measurements) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	$ 32,245	$ 36,037	$ 35,763	$ 37,666
Net Realized and Unrealized Gains (Losses) Included in Income	342	442	1,020	1,473
Other Comprehensive Income (Loss)	(88)	526	(299)	1,293
Purchases, Sales, Issues and Settlements, Net	(766)	(1,534)	(3,451)	(4,038)
Gross Transfers in, assets	1,817	460	2,441	682
Gross Transfers out, assets	(91)	(217)	(2,015)	(1,362)
Acquisition	180		180
Balance End of Period	33,639	35,714	33,639	35,714
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	(39)	15	382	215
Liabilities
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	3,710	3,830	4,323	3,413
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(281)	250	(1,070)	469
Accumulated Other Comprehensive Income (loss)	0	0		0
Purchases, Sales, Issues and Settlements-Net	85	114	259	315
Gross Transfers in, liabilities	0	0	0	(3)
Gross Transfers out, liabilities	0	0	2	0
Balance at the End of the Period	3,514	4,194	3,514	4,194
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, liabilities	209	(176)	1,148	(271)
Policyholder contract deposits
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	3,534	3,518	4,136	3,033
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(242)	299	(986)	594
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	84	157	226	347
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	0	0	0	0
Balance at the End of the Period	3,376	3,974	3,376	3,974
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, liabilities	179	(220)	1,081	(405)
Derivative liabilities, net
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	176	251	187	309
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(39)	(51)	(84)	(141)
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	1	17	33	52
Gross Transfers in, liabilities	0	0	0	(3)
Gross Transfers out, liabilities	0	0	2	0
Balance at the End of the Period	138	217	138	217
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, liabilities	30	40	67	134
Interest rate contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	14	30	22	38
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(1)	(2)	(5)	(3)
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	(1)	(2)	(5)	(9)
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	0	0	0	0
Balance at the End of the Period	12	26	12	26
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, liabilities	1	1	5	3
Foreign exchange contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	5	7	0	11
Net realized and unrealized gains and losses related to Level 3 items, liabilities	2	0	(2)	1
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	(2)	(4)	7	(9)
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	0	0	0	0
Balance at the End of the Period	5	3	5	3
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, liabilities	(5)	0	(5)	(1)
Equity contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	(79)	(63)	(82)	(58)
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(12)	(11)	(3)	(26)
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	(12)	5	(20)	15
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	0	0	2	0
Balance at the End of the Period	(103)	(69)	(103)	(69)
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, liabilities	10	8	2	22
Commodity contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period		0
Net realized and unrealized gains and losses related to Level 3 items, liabilities		0
Accumulated Other Comprehensive Income (loss)		0
Purchases, Sales, Issues and Settlements-Net		0
Gross Transfers in, liabilities		0
Gross Transfers out, liabilities		0
Balance at the End of the Period		0		0
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, liabilities		0
Credit contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	246	293	262	329
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(9)	(19)	(23)	(55)
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	(1)	(1)	(3)	(1)
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	0	0	0	0
Balance at the End of the Period	236	273	236	273
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, liabilities	10	19	23	53
Other contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	(10)	(16)	(15)	(11)
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(19)	(19)	(51)	(58)
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	17	19	54	56
Gross Transfers in, liabilities	0	0	0	(3)
Gross Transfers out, liabilities	0	0	0	0
Balance at the End of the Period	(12)	(16)	(12)	(16)
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, liabilities	14	12	42	57
Long-term debt
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	0	61	0	71
Net realized and unrealized gains and losses related to Level 3 items, liabilities	0	2	0	16
Accumulated Other Comprehensive Income (loss)	0	0	0	0
Purchases, Sales, Issues and Settlements-Net	0	(60)	0	(84)
Gross Transfers in, liabilities	0	0	0	0
Gross Transfers out, liabilities	0	0	0	0
Balance at the End of the Period	0	3	0	3
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, liabilities	0	4	0	0
Bonds available for sale
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	25,778	28,962	28,996	29,971
Net Realized and Unrealized Gains (Losses) Included in Income	249	265	619	821
Other Comprehensive Income (Loss)	(88)	528	(300)	1,298
Purchases, Sales, Issues and Settlements, Net	(447)	(975)	(2,531)	(2,495)
Gross Transfers in, assets	1,763	460	2,386	682
Gross Transfers out, assets	(91)	(155)	(2,006)	(1,192)
Acquisition	172		172
Balance End of Period	27,336	29,085	27,336	29,085
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	2,056	2,285	2,404	2,040
Net Realized and Unrealized Gains (Losses) Included in Income	0	2	1	3
Other Comprehensive Income (Loss)	(37)	38	(152)	123
Purchases, Sales, Issues and Settlements, Net	(46)	52	(144)	221
Gross Transfers in, assets	54	0	54	8
Gross Transfers out, assets	(31)	(6)	(167)	(24)
Acquisition	0		0
Balance End of Period	1,996	2,371	1,996	2,371
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0	0	0
Bonds available for sale | Non-U.S. governments
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	0	12	8	17
Net Realized and Unrealized Gains (Losses) Included in Income	0	(5)	(5)	(5)
Other Comprehensive Income (Loss)	(1)	4	5	5
Purchases, Sales, Issues and Settlements, Net	1	0	(3)	(6)
Gross Transfers in, assets	4	0	4	0
Gross Transfers out, assets	0	0	(5)	0
Acquisition	0		0
Balance End of Period	4	11	4	11
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	884	932	1,173	1,133
Net Realized and Unrealized Gains (Losses) Included in Income	7	5	(58)	6
Other Comprehensive Income (Loss)	(10)	(2)	(7)	(2)
Purchases, Sales, Issues and Settlements, Net	(28)	(53)	(174)	(219)
Gross Transfers in, assets	133	449	701	655
Gross Transfers out, assets	(44)	(121)	(693)	(363)
Acquisition	0		0
Balance End of Period	942	1,210	942	1,210
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	15,377	16,393	16,136	16,906
Net Realized and Unrealized Gains (Losses) Included in Income	213	253	632	806
Other Comprehensive Income (Loss)	5	495	5	992
Purchases, Sales, Issues and Settlements, Net	(725)	(731)	(1,877)	(2,270)
Gross Transfers in, assets	0	11	8	19
Gross Transfers out, assets	(16)	(7)	(50)	(39)
Acquisition	7		7
Balance End of Period	14,861	16,414	14,861	16,414
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	605	735	624	2,040
Net Realized and Unrealized Gains (Losses) Included in Income	14	2	18	25
Other Comprehensive Income (Loss)	(14)	5	(35)	12
Purchases, Sales, Issues and Settlements, Net	31	(77)	1	(699)
Gross Transfers in, assets	64	0	111	0
Gross Transfers out, assets	0	0	(19)	(713)
Acquisition	1		1
Balance End of Period	701	665	701	665
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	6,856	8,605	8,651	7,835
Net Realized and Unrealized Gains (Losses) Included in Income	15	8	31	(14)
Other Comprehensive Income (Loss)	(31)	(12)	(116)	168
Purchases, Sales, Issues and Settlements, Net	320	(166)	(334)	478
Gross Transfers in, assets	1,508	0	1,508	0
Gross Transfers out, assets	0	(21)	(1,072)	(53)
Acquisition	164		164
Balance End of Period	8,832	8,414	8,832	8,414
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	6,068	6,838	6,512	7,480
Net Realized and Unrealized Gains (Losses) Included in Income	92	177	351	649
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issues and Settlements, Net	(342)	(593)	(1,037)	(1,601)
Gross Transfers in, assets	54	0	55	0
Gross Transfers out, assets	0	(62)	(9)	(168)
Acquisition	8		8
Balance End of Period	5,880	6,360	5,880	6,360
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	(39)	18	326	214
Other bond securities | Corporate debt
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	18	28	18	17
Net Realized and Unrealized Gains (Losses) Included in Income	0	1	0	2
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issues and Settlements, Net	(18)	0	(18)	10
Gross Transfers in, assets	0	0	0	0
Gross Transfers out, assets	0	(11)	0	(11)
Acquisition	0		0
Balance End of Period	0	18	0	18
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	(2)	0	(1)	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	1,338	1,510	1,464	1,605
Net Realized and Unrealized Gains (Losses) Included in Income	18	63	73	184
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issues and Settlements, Net	(57)	(130)	(238)	(313)
Gross Transfers in, assets	50	0	50	0
Gross Transfers out, assets	0	0	0	(33)
Acquisition	0		0
Balance End of Period	1,349	1,443	1,349	1,443
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	(29)	49	124	116
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	71	66	74	155
Net Realized and Unrealized Gains (Losses) Included in Income	(2)	2	(5)	4
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issues and Settlements, Net	0	42	(1)	24
Gross Transfers in, assets	4	0	5	0
Gross Transfers out, assets	0	(45)	0	(118)
Acquisition	0		0
Balance End of Period	73	65	73	65
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	(2)	3	2	6
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	4,641	5,234	4,956	5,703
Net Realized and Unrealized Gains (Losses) Included in Income	76	111	283	459
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issues and Settlements, Net	(267)	(505)	(780)	(1,322)
Gross Transfers in, assets	0	0	0	0
Gross Transfers out, assets	0	(6)	(9)	(6)
Acquisition	8		8
Balance End of Period	4,458	4,834	4,458	4,834
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	(6)	(34)	201	91
Equity securities available for sale
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period		7		0
Net Realized and Unrealized Gains (Losses) Included in Income		0		0
Other Comprehensive Income (Loss)		0		0
Purchases, Sales, Issues and Settlements, Net		(2)		6
Gross Transfers in, assets		0		0
Gross Transfers out, assets		0		(1)
Balance End of Period		5		5
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets		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		7		0
Net Realized and Unrealized Gains (Losses) Included in Income		0		0
Other Comprehensive Income (Loss)		0		0
Purchases, Sales, Issues and Settlements, Net		(2)		6
Gross Transfers in, assets		0		0
Gross Transfers out, assets		0		(1)
Acquisition		0		0
Balance End of Period		5		5
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	0		0
Net Realized and Unrealized Gains (Losses) Included in Income	1		(2)	0
Other Comprehensive Income (Loss)	0		0
Purchases, Sales, Issues and Settlements, Net	24	0	27	0
Gross Transfers in, assets	0		0
Gross Transfers out, assets	0		0
Acquisition	0		0
Balance End of Period	25		25
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0		0
Mortgage and other loans receivable
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	0	5	5	11
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	(5)	(6)
Gross Transfers in, assets	0	0	0	0
Gross Transfers out, assets	0	0	0	0
Acquisition	0		0
Balance End of Period	0	5	0	5
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0	0	0
Other invested assets
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	399	225	250	204
Net Realized and Unrealized Gains (Losses) Included in Income	0	0	52	3
Other Comprehensive Income (Loss)	0	(2)	1	(5)
Purchases, Sales, Issues and Settlements, Net	(1)	36	95	58
Gross Transfers in, assets	0	0	0	0
Gross Transfers out, assets	0	0	0	(1)
Acquisition	0		0
Balance End of Period	398	259	398	259
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	$ 0	$ (3)	$ 56	$ 1