Equity (Details Textual) (USD $)	1 Months Ended		12 Months Ended
	Oct. 31, 2011	Sep. 30, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Equity (Textual) [Abstract]
Common stock, shares authorized, value			$ 12,000
Common stock, shares issued			12,000	12,000
Common stock, par value			$ 1.00	$ 1.00
Amount of distribution to holdings		297,000,000		297,000,000
Amount of second lien term loans in distribution to holdings		208,000,000
Amount of cash distribution to holdings		89,000,000		89,000,000
Percentage of consideration for restructuring of fully diluted issued and outstanding equity	40.00%
Percentage of equity to be held by new shareholders			44.00%
Minimum percentage of outstanding equity to obtain additional information			2.00%
Other comprehensive income (loss), net of tax			$ 1,000,000	$ 2,000,000	$ 0
Number of vote per share			One vote per share