DERIVATIVES AND HEDGE ACCOUNTING (Details - Fair values of derivative assets and liabilities) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Derivative [Line Items]
Derivative Liabilities, Notional Amount	$ 82,913	$ 64,429
Derivative Liabilities, Fair Value	4,048	5,804
Collateral
Collateral posted to third parties for derivative transactions	3,000	3,300
Collateral obtained from third parties for derivative transactions	$ 1,600	$ 1,300