CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Statement Of Financial Position [Abstract]
Common stock, par value	$ 1.00	$ 1.00
Common stock, shares authorized	400,000,000	400,000,000
Common stock, shares issued	244,271,365	244,271,365
Common stock, shares outstanding	243,442,156	243,442,156
Treasury stock, shares	7,130,294	7,574,903