Equity - Common Stock Table (Details) - shares	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common Stock, Shares, Issued Beginning of Period	664,944,232	666,192,000
Restricted stock issuances (net of forfeitures and cancellations)	103,000	(2,019,000)
Stock option exercises	14,000	1,268,000
Common Stock, Shares, Issued End of Period	665,060,856	665,441,000