Consolidated Balance Sheet (Paranthetical) - $ / shares	Mar. 31, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	1,100,000,000	1,100,000,000
Common Stock, Shares, Issued	485,130,865	482,790,696
Common Stock, Shares, Outstanding	483,475,209	481,980,111
Treasury Stock, Shares	1,655,656	810,585