DERIVATIVES AND HEDGE ACCOUNTING (Details - Notional amounts and fair values of our derivative instruments) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	$ 111,242	$ 115,897
Gross Derivative Assets, Fair Value	3,614	3,977
Gross Derivative Liabilities, Notional Amount	58,630	64,938
Gross Derivative Liabilities, Fair Value	3,897	4,802
Derivative assets, Counterparty netting	(1,390)	(1,265)
Derivative assets, Cash collateral	(1,324)	(903)
Total derivative assets on consolidated balance sheet	900	1,809
Derivative liabilities, Counterparty netting	(1,390)	(1,265)
Derivative liabilities, Cash collateral	(1,395)	(1,521)
Total derivative liabilities on consolidated balance sheet	1,112	2,016
Bifurcated embedded derivatives
Derivative [Line Items]
Gross Derivative Assets, Fair Value	0	0
Gross Derivative Liabilities, Fair Value	4,000	3,100
Derivatives designated as hedging instruments | Interest rate contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	290	175
Gross Derivative Assets, Fair Value	1	0
Gross Derivative Liabilities, Notional Amount	615	782
Gross Derivative Liabilities, Fair Value	9	11
Derivatives designated as hedging instruments | Foreign exchange contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	2,634	3,527
Gross Derivative Assets, Fair Value	198	385
Gross Derivative Liabilities, Notional Amount	4,546	2,602
Gross Derivative Liabilities, Fair Value	289	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	143	113
Gross Derivative Liabilities, Fair Value	3	7
Derivatives not designated as hedging instruments | Interest rate contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	49,801	51,030
Gross Derivative Assets, Fair Value	2,253	2,328
Gross Derivative Liabilities, Notional Amount	33,303	44,211
Gross Derivative Liabilities, Fair Value	2,245	3,066
Derivatives not designated as hedging instruments | Foreign exchange contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	6,143	9,468
Gross Derivative Assets, Fair Value	669	935
Gross Derivative Liabilities, Notional Amount	10,763	7,674
Gross Derivative Liabilities, Fair Value	1,012	1,185
Derivatives not designated as hedging instruments | Equity contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	14,340	14,060
Gross Derivative Assets, Fair Value	469	305
Gross Derivative Liabilities, Notional Amount	8,224	8,633
Gross Derivative Liabilities, Fair Value	56	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	3	4
Gross Derivative Assets, Fair Value	1	2
Gross Derivative Liabilities, Notional Amount	975	861
Gross Derivative Liabilities, Fair Value	278	331
Derivatives not designated as hedging instruments | Other contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	38,031	37,633
Gross Derivative Assets, Fair Value	23	22
Gross Derivative Liabilities, Notional Amount	61	62
Gross Derivative Liabilities, Fair Value	$ 5	$ 6