DERIVATIVES AND HEDGE ACCOUNTING (Details - Notional amounts and fair values of our derivative instruments) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	$ 106,687	$ 115,897
Gross Derivative Assets, Fair Value	3,545	3,977
Gross Derivative Liabilities, Notional Amount	45,888	64,938
Gross Derivative Liabilities, Fair Value	3,748	4,802
Derivative assets, Counterparty netting	(1,464)	(1,265)
Derivative assets, Cash collateral	(1,159)	(903)
Total derivative assets on consolidated balance sheet	922	1,809
Derivative liabilities, Counterparty netting	(1,464)	(1,265)
Derivative liabilities, Cash collateral	(1,249)	(1,521)
Total derivative liabilities on consolidated balance sheet	1,035	2,016
Bifurcated embedded derivatives
Derivative [Line Items]
Gross Derivative Liabilities, Fair Value	4,100	3,100
Derivatives designated as hedging instruments | Interest rate contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	0	175
Gross Derivative Assets, Fair Value	0	0
Gross Derivative Liabilities, Notional Amount	838	782
Gross Derivative Liabilities, Fair Value	15	11
Derivatives designated as hedging instruments | Foreign exchange contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	2,823	3,527
Gross Derivative Assets, Fair Value	173	385
Gross Derivative Liabilities, Notional Amount	4,783	2,602
Gross Derivative Liabilities, Fair Value	350	184
Derivatives designated as hedging instruments | Equity contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	0	0
Gross Derivative Assets, Fair Value	0	0
Gross Derivative Liabilities, Notional Amount	159	113
Gross Derivative Liabilities, Fair Value	19	7
Derivatives not designated as hedging instruments | Interest rate contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	37,751	51,030
Gross Derivative Assets, Fair Value	2,171	2,328
Gross Derivative Liabilities, Notional Amount	26,461	44,211
Gross Derivative Liabilities, Fair Value	2,185	3,066
Derivatives not designated as hedging instruments | Foreign exchange contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	6,305	9,468
Gross Derivative Assets, Fair Value	658	935
Gross Derivative Liabilities, Notional Amount	11,093	7,674
Gross Derivative Liabilities, Fair Value	895	1,185
Derivatives not designated as hedging instruments | Equity contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	19,975	14,060
Gross Derivative Assets, Fair Value	522	305
Gross Derivative Liabilities, Notional Amount	1,130	8,633
Gross Derivative Liabilities, Fair Value	2	12
Derivatives not designated as hedging instruments | Commodity contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	0	0
Gross Derivative Assets, Fair Value	0	0
Gross Derivative Liabilities, Notional Amount	0	0
Gross Derivative Liabilities, Fair Value	0	0
Derivatives not designated as hedging instruments | Credit contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	4	4
Gross Derivative Assets, Fair Value	1	2
Gross Derivative Liabilities, Notional Amount	1,365	861
Gross Derivative Liabilities, Fair Value	277	331
Derivatives not designated as hedging instruments | Other contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	39,829	37,633
Gross Derivative Assets, Fair Value	20	22
Gross Derivative Liabilities, Notional Amount	59	62
Gross Derivative Liabilities, Fair Value	5	6
Derivatives not designated as hedging instruments | Bifurcated embedded derivatives
Derivative [Line Items]
Gross Derivative Liabilities, Notional Amount	685	801
Gross Derivative Liabilities, Fair Value	$ 254	$ 308