Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Preferred Stock, par value per share (in dollars per share)	$ 1	$ 1.00
Preferred Stock, shares authorized (in shares)	4,000,000	4,000,000
Common Stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Common Stock, shares authorized (in shares)	1,000,000,000	500,000,000
Common Stock, Shares, Issued	469,718,512	402,329,325
Treasury Stock, Shares	37,925,625	37,635,890