DERIVATIVES AND HEDGE ACCOUNTING (Details - Notional amounts and fair values of derivative instruments) - USD ($)	Jun. 30, 2021	Dec. 31, 2020
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	$ 141,034,000,000	$ 148,222,000,000
Gross Derivative Assets, Fair Value	5,586,000,000	6,805,000,000
Gross Derivative Liabilities, Notional Amount	61,180,000,000	77,471,000,000
Gross Derivative Liabilities, Fair Value	4,765,000,000	5,822,000,000
Derivative assets, Counterparty netting	(2,833,000,000)	(3,812,000,000)
Derivative assets, Cash collateral	(1,721,000,000)	(2,219,000,000)
Total derivative assets on consolidated balance sheet	1,032,000,000	774,000,000
Derivative liabilities, Counterparty netting	(2,833,000,000)	(3,812,000,000)
Derivative liabilities, Cash collateral	(1,201,000,000)	(1,441,000,000)
Total derivative liabilities on consolidated balance sheet	731,000,000	569,000,000
Bifurcated embedded derivatives
Derivative [Line Items]
Bifurcated embedded derivatives assets, fair value	0	0
Bifurcated embedded derivative liabilities, fair value	14,300,000,000	15,800,000,000
Derivatives designated as hedging instruments | Interest rate contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	877,000,000	815,000,000
Gross Derivative Assets, Fair Value	12,000,000	16,000,000
Gross Derivative Liabilities, Notional Amount	445,000,000	356,000,000
Gross Derivative Liabilities, Fair Value	5,000,000	11,000,000
Derivatives designated as hedging instruments | Foreign exchange contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	7,557,000,000	3,468,000,000
Gross Derivative Assets, Fair Value	430,000,000	256,000,000
Gross Derivative Liabilities, Notional Amount	3,613,000,000	7,424,000,000
Gross Derivative Liabilities, Fair Value	239,000,000	379,000,000
Derivatives not designated as hedging instruments | Interest rate contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	48,284,000,000	62,259,000,000
Gross Derivative Assets, Fair Value	3,666,000,000	4,621,000,000
Gross Derivative Liabilities, Notional Amount	42,669,000,000	48,732,000,000
Gross Derivative Liabilities, Fair Value	3,875,000,000	4,425,000,000
Derivatives not designated as hedging instruments | Foreign exchange contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	12,423,000,000	9,518,000,000
Gross Derivative Assets, Fair Value	727,000,000	766,000,000
Gross Derivative Liabilities, Notional Amount	6,125,000,000	12,860,000,000
Gross Derivative Liabilities, Fair Value	508,000,000	711,000,000
Derivatives not designated as hedging instruments | Equity contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	24,456,000,000	22,924,000,000
Gross Derivative Assets, Fair Value	731,000,000	1,130,000,000
Gross Derivative Liabilities, Notional Amount	6,736,000,000	7,076,000,000
Gross Derivative Liabilities, Fair Value	72,000,000	223,000,000
Derivatives not designated as hedging instruments | Commodity contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	193,000,000	0
Gross Derivative Assets, Fair Value	6,000,000	0
Gross Derivative Liabilities, Notional Amount	583,000,000	0
Gross Derivative Liabilities, Fair Value	0	0
Derivatives not designated as hedging instruments | Credit contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	4,742,000,000	5,797,000,000
Gross Derivative Assets, Fair Value	1,000,000	2,000,000
Gross Derivative Liabilities, Notional Amount	955,000,000	969,000,000
Gross Derivative Liabilities, Fair Value	63,000,000	67,000,000
Derivatives not designated as hedging instruments | Credit contracts | CDS
Derivative [Line Items]
Gross Derivative Liabilities, Notional Amount	117,000,000	137,000,000
Gross Derivative Liabilities, Fair Value	43,000,000	44,000,000
Derivatives not designated as hedging instruments | Other contracts
Derivative [Line Items]
Gross Derivative Assets, Notional Amount	42,502,000,000	43,441,000,000
Gross Derivative Assets, Fair Value	13,000,000	14,000,000
Gross Derivative Liabilities, Notional Amount	54,000,000	54,000,000
Gross Derivative Liabilities, Fair Value	$ 3,000,000	$ 6,000,000