DERIVATIVES AND HEDGE ACCOUNTING (Details - Notional amounts and fair values of our derivative instruments) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	$ 122,163	$ 102,768
Gross Derivative Assets, Fair Value	5,550	4,131
Gross Derivative Liabilities, Notional Amount	56,925	82,913
Gross Derivative Liabilities, Fair Value	5,159	4,048
Derivative assets, Counterparty netting	(2,023)	(1,268)
Derivative assets, Cash collateral	(2,036)	(1,554)
Total derivative assets on consolidated balance sheet	1,491	1,309
Derivative liabilities, Counterparty netting	(2,023)	(1,268)
Derivative liabilities, Cash collateral	(992)	(760)
Total derivative liabilities on consolidated balance sheet	2,144	2,020
Bifurcated embedded derivatives
Derivative [Line Items]
Gross Derivative Assets, Fair Value	0	0
Gross Derivative Liabilities, Fair Value	3,300	2,300
Derivatives designated as hedging instruments | Interest rate contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	512	301
Gross Derivative Assets, Fair Value	4	1
Gross Derivative Liabilities, Notional Amount	527	725
Gross Derivative Liabilities, Fair Value	3	2
Derivatives designated as hedging instruments | Foreign exchange contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	2,607	2,903
Gross Derivative Assets, Fair Value	209	207
Gross Derivative Liabilities, Notional Amount	1,369	914
Gross Derivative Liabilities, Fair Value	65	56
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	116	121
Gross Derivative Liabilities, Fair Value	13	23
Derivatives not designated as hedging instruments | Interest rate contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	62,278	45,846
Gross Derivative Assets, Fair Value	4,401	3,161
Gross Derivative Liabilities, Notional Amount	36,183	65,733
Gross Derivative Liabilities, Fair Value	3,107	2,197
Derivatives not designated as hedging instruments | Foreign exchange contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	8,564	9,472
Gross Derivative Assets, Fair Value	668	559
Gross Derivative Liabilities, Notional Amount	11,325	8,900
Gross Derivative Liabilities, Fair Value	1,319	1,148
Derivatives not designated as hedging instruments | Equity contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	9,648	6,656
Gross Derivative Assets, Fair Value	243	177
Gross Derivative Liabilities, Notional Amount	6,040	5,028
Gross Derivative Liabilities, Fair Value	17	45
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	3	3
Gross Derivative Liabilities, Notional Amount	1,152	1,289
Gross Derivative Liabilities, Fair Value	493	508
Derivatives not designated as hedging instruments | Other contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	38,550	37,586
Gross Derivative Assets, Fair Value	22	23
Gross Derivative Liabilities, Notional Amount	213	203
Gross Derivative Liabilities, Fair Value	$ 142	$ 69