Equity Equity - Common Stock Table (Details) - shares	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common Stock, Shares, Issued Beginning of Period	896,279,353
Common Stock, Shares, Issued End of Period	908,042,914
Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common Stock, Shares, Issued Beginning of Period	896,279,000	664,796,000
Restricted stock issuances (net of forfeitures and cancellations)	1,798,000	1,488,000
Common Stock, Shares, Issued End of Period	908,043,000	684,561,000
Common Stock [Member] | Contingent Convertible Senior Notes Exchanged for Shares of Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Issued During Period, Shares, Conversion of Convertible Securities	0	14,699,000
Common Stock [Member] | Senior Notes Exchanged for Shares of Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Issued During Period, Shares, Conversion of Convertible Securities	0	2,556,000
Common Stock [Member] | Preferred Stock, Exchanged for Shares of Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Issued During Period, Shares, Conversion of Convertible Securities	9,966,000	1,022,000