DERIVATIVES AND HEDGE ACCOUNTING (Details - Notional amounts and fair values of our derivative instruments) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	$ 142,557,000,000	$ 132,965,000,000
Gross Derivative Assets, Fair Value	10,349,000,000	5,026,000,000
Gross Derivative Liabilities, Notional Amount	52,928,000,000	61,482,000,000
Gross Derivative Liabilities, Fair Value	5,429,000,000	4,009,000,000
Derivative assets, Counterparty netting	(4,645,000,000)	(2,427,000,000)
Derivative assets, Cash collateral	(4,840,000,000)	(1,806,000,000)
Total derivative assets on consolidated balance sheet	864,000,000	793,000,000
Derivative liabilities, Counterparty netting	(4,645,000,000)	(2,427,000,000)
Derivative liabilities, Cash collateral	(147,000,000)	(527,000,000)
Total derivative liabilities on consolidated balance sheet	637,000,000	1,055,000,000
Bifurcated embedded derivatives
Derivative [Line Items]
Bifurcated embedded derivatives assets, fair value	0	0
Bifurcated embedded derivative liabilities, fair value	8,200,000,000	6,900,000,000
Derivatives designated as hedging instruments | Interest rate contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	735,000,000	495,000,000
Gross Derivative Assets, Fair Value	18,000,000	3,000,000
Gross Derivative Liabilities, Notional Amount	316,000,000	410,000,000
Gross Derivative Liabilities, Fair Value	11,000,000	7,000,000
Derivatives designated as hedging instruments | Foreign exchange contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	7,592,000,000	4,328,000,000
Gross Derivative Assets, Fair Value	843,000,000	342,000,000
Gross Derivative Liabilities, Notional Amount	1,929,000,000	5,230,000,000
Gross Derivative Liabilities, Fair Value	88,000,000	162,000,000
Derivatives not designated as hedging instruments | Interest rate contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	50,409,000,000	52,437,000,000
Gross Derivative Assets, Fair Value	6,605,000,000	3,197,000,000
Gross Derivative Liabilities, Notional Amount	36,573,000,000	35,231,000,000
Gross Derivative Liabilities, Fair Value	4,215,000,000	2,742,000,000
Derivatives not designated as hedging instruments | Foreign exchange contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	12,350,000,000	8,133,000,000
Gross Derivative Assets, Fair Value	1,495,000,000	698,000,000
Gross Derivative Liabilities, Notional Amount	8,818,000,000	12,093,000,000
Gross Derivative Liabilities, Fair Value	944,000,000	863,000,000
Derivatives not designated as hedging instruments | Equity contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	22,291,000,000	18,533,000,000
Gross Derivative Assets, Fair Value	1,240,000,000	769,000,000
Gross Derivative Liabilities, Notional Amount	4,313,000,000	7,539,000,000
Gross Derivative Liabilities, Fair Value	77,000,000	139,000,000
Derivatives not designated as hedging instruments | Credit contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	7,617,000,000	8,457,000,000
Gross Derivative Assets, Fair Value	133,000,000	3,000,000
Gross Derivative Liabilities, Notional Amount	923,000,000	923,000,000
Gross Derivative Liabilities, Fair Value	81,000,000	89,000,000
Derivatives not designated as hedging instruments | Credit contracts | CDS
Derivative [Line Items]
Gross Derivative Liabilities, Notional Amount	146,000,000	152,000,000
Gross Derivative Liabilities, Fair Value	56,000,000	48,000,000
Derivatives not designated as hedging instruments | Other contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	41,563,000,000	40,582,000,000
Gross Derivative Assets, Fair Value	15,000,000	14,000,000
Gross Derivative Liabilities, Notional Amount	56,000,000	56,000,000
Gross Derivative Liabilities, Fair Value	$ 13,000,000	$ 7,000,000