DERIVATIVES AND HEDGE ACCOUNTING (Details - Fair values of derivative assets and liabilities) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Derivative [Line Items]
Derivative Liabilities, Notional Amount	$ 48,610	$ 82,913
Derivative Liabilities, Fair Value	4,983	4,048
Collateral
Collateral posted to third parties for derivative transactions	3,100	3,000
Collateral obtained from third parties for derivative transactions	3,300	1,600
Global Capital Markets (GCM) derivatives
Derivative [Line Items]
Derivative Liabilities, Notional Amount	900	1,100
Derivative Liabilities, Fair Value	$ 353	$ 483