CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Dec. 31, 2013		Dec. 31, 2012
Statement of Financial Position [Abstract]
Common stock, shares authorized	250,000,000		250,000,000
Common stock, par value	$ 1		$ 1.00
Common stock, shares issued	104,000,000	[1]	104,000,000	[1]
Common stock, shares outstanding	91,000,000		92,100,000
Unvested restricted common stock included in shares issued and outstanding	0		200,000

[1] Shares issued and outstanding include unvested restricted common stock of 0.2 at December 31, 2012. No unvested restricted common stock was outstanding as of December 31, 2013.