EQUITY (Details - Share repurchases) - Accelerated Share Repurchase Agreement [Member] shares in Millions, $ in Billions	1 Months Ended	12 Months Ended
	Jan. 31, 2015 shares	Dec. 31, 2014 USD ($) item shares
Rollforward of preferred stock
Amount paid to financial institution | $		$ 3.1
Common Stock
Rollforward of preferred stock
Number of accelerated stock repurchase (ASR) agreements with third-party financial institutions | item		5
Percentage of share repurchased during share repurchase agreement		70.00%
Number of shares received from financial institution		53.0
Partial receipt of shares under an ASR agreement		9.2
Additional shares received from financial institution	3,500.0