DERIVATIVES AND HEDGE ACCOUNTING (Details - Fair values of derivative assets and liabilities) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Derivative [Line Items]
Derivative Liabilities, Notional Amount	$ 58,630	$ 64,938
Derivative Liabilities, Fair Value	3,897	4,802
Collateral
Collateral posted to third parties for derivative transactions	3,100	4,500
Collateral obtained from third parties for derivative transactions	1,300	1,500
Global Capital Markets (GCM) derivatives
Derivative [Line Items]
Derivative Liabilities, Notional Amount	716	801
Derivative Liabilities, Fair Value	$ 263	$ 308