DERIVATIVES AND HEDGE ACCOUNTING (Details - Notional amounts and fair values of our derivative instruments) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	$ 108,397	$ 106,687
Gross Derivative Assets, Fair Value	3,631	3,545
Gross Derivative Liabilities, Notional Amount	49,157	45,888
Gross Derivative Liabilities, Fair Value	3,702	3,748
Derivative assets, Counterparty netting	(1,589)	(1,464)
Derivative assets, Cash collateral	(1,268)	(1,159)
Total derivative assets on consolidated balance sheet	774	922
Derivative liabilities, Counterparty netting	(1,589)	(1,464)
Derivative liabilities, Cash collateral	(980)	(1,249)
Total derivative liabilities on consolidated balance sheet	1,133	1,035
Bifurcated embedded derivatives
Derivative [Line Items]
Gross Derivative Assets, Fair Value	0	0
Gross Derivative Liabilities, Fair Value	3,700	4,100
Derivatives designated as hedging instruments | Interest rate contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	10	0
Gross Derivative Assets, Fair Value	0	0
Gross Derivative Liabilities, Notional Amount	866	838
Gross Derivative Liabilities, Fair Value	21	15
Derivatives designated as hedging instruments | Foreign exchange contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	3,236	2,823
Gross Derivative Assets, Fair Value	122	173
Gross Derivative Liabilities, Notional Amount	4,511	4,783
Gross Derivative Liabilities, Fair Value	350	350
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	0	159
Gross Derivative Liabilities, Fair Value	0	19
Derivatives not designated as hedging instruments | Interest rate contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	42,688	37,751
Gross Derivative Assets, Fair Value	2,549	2,171
Gross Derivative Liabilities, Notional Amount	26,505	26,461
Gross Derivative Liabilities, Fair Value	2,182	2,185
Derivatives not designated as hedging instruments | Foreign exchange contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	8,471	6,305
Gross Derivative Assets, Fair Value	673	658
Gross Derivative Liabilities, Notional Amount	11,543	11,093
Gross Derivative Liabilities, Fair Value	867	895
Derivatives not designated as hedging instruments | Equity contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	15,465	19,975
Gross Derivative Assets, Fair Value	268	522
Gross Derivative Liabilities, Notional Amount	4,261	1,130
Gross Derivative Liabilities, Fair Value	13	2
Derivatives not designated as hedging instruments | Credit contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	9	4
Gross Derivative Assets, Fair Value	2	1
Gross Derivative Liabilities, Notional Amount	1,412	1,365
Gross Derivative Liabilities, Fair Value	264	277
Derivatives not designated as hedging instruments | Credit contracts | CDS
Derivative [Line Items]
Gross Derivative Liabilities, Notional Amount	661	685
Gross Derivative Liabilities, Fair Value	245	254
Derivatives not designated as hedging instruments | Other contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	38,518	39,829
Gross Derivative Assets, Fair Value	17	20
Gross Derivative Liabilities, Notional Amount	59	59
Gross Derivative Liabilities, Fair Value	$ 5	$ 5