DERIVATIVES AND HEDGE ACCOUNTING (Details - Notional amounts and fair values of our derivative instruments) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	$ 122,354	$ 117,207
Gross Derivative Assets, Fair Value	4,273	4,468
Gross Derivative Liabilities, Notional Amount	42,146	40,028
Gross Derivative Liabilities, Fair Value	3,066	3,138
Derivative assets, Counterparty netting	(1,647)	(1,713)
Derivative assets, Cash collateral	(1,734)	(1,840)
Total derivative assets on consolidated balance sheet	892	915
Derivative liabilities, Counterparty netting	(1,647)	(1,713)
Derivative liabilities, Cash collateral	(188)	(187)
Total derivative liabilities on consolidated balance sheet	1,231	1,238
Bifurcated embedded derivatives
Derivative [Line Items]
Derivative assets, Counterparty netting	(4,900)	(4,100)
Derivatives designated as hedging instruments | Interest rate contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	0	10
Gross Derivative Assets, Fair Value	0	0
Gross Derivative Liabilities, Notional Amount	830	866
Gross Derivative Liabilities, Fair Value	14	19
Derivatives designated as hedging instruments | Foreign exchange contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	5,749	6,357
Gross Derivative Assets, Fair Value	371	363
Gross Derivative Liabilities, Notional Amount	2,954	2,536
Gross Derivative Liabilities, Fair Value	150	147
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	0
Gross Derivative Liabilities, Fair Value	0	0
Derivatives not designated as hedging instruments | Interest rate contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	50,037	42,821
Gross Derivative Assets, Fair Value	2,664	2,890
Gross Derivative Liabilities, Notional Amount	28,818	27,329
Gross Derivative Liabilities, Fair Value	1,906	2,004
Derivatives not designated as hedging instruments | Foreign exchange contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	13,113	11,134
Gross Derivative Assets, Fair Value	736	801
Gross Derivative Liabilities, Notional Amount	4,108	5,434
Gross Derivative Liabilities, Fair Value	700	711
Derivatives not designated as hedging instruments | Equity contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	14,356	17,807
Gross Derivative Assets, Fair Value	488	398
Gross Derivative Liabilities, Notional Amount	3,938	2,399
Gross Derivative Liabilities, Fair Value	51	15
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	8
Gross Derivative Assets, Fair Value	1	1
Gross Derivative Liabilities, Notional Amount	1,441	1,406
Gross Derivative Liabilities, Fair Value	240	236
Derivatives not designated as hedging instruments | Credit contracts | CDS
Derivative [Line Items]
Gross Derivative Liabilities, Notional Amount	580	592
Gross Derivative Liabilities, Fair Value	217	224
Derivatives not designated as hedging instruments | Other contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	39,096	39,070
Gross Derivative Assets, Fair Value	13	15
Gross Derivative Liabilities, Notional Amount	57	58
Gross Derivative Liabilities, Fair Value	$ 5	$ 6