Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Statement of Financial Position [Abstract]
Preferred Stock, par value per share (in dollars per share)	$ 1.00	$ 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)	500,000,000	500,000,000
Common Stock, Shares, Issued	399,841,717	396,697,484
Treasury Stock, Shares	37,600,051	37,550,752