Equity - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	1 Months Ended		12 Months Ended
	Oct. 31, 2011	Sep. 30, 2011	Dec. 31, 2013	Dec. 31, 2011	Dec. 31, 2012
Equity [Line Items]
Common stock, shares authorized, value			$ 12,000
Common stock, shares issued			12,000		12,000
Common stock, par value			$ 1.00		$ 1.00
Number of vote per share			One vote per share
Percentage of consideration for restructuring of fully diluted issued and outstanding equity	40.00%
Percentage of equity owned by new shareholders			71.00%
Minimum percentage of outstanding equity to obtain additional information			2.00%
Amount of distribution to holdings		297	31	297
Amount of second lien term loans in distribution to holdings		208
Amount of cash distribution to holdings		89	6	89
11.875% Senior Subordinated Notes due September 2016 [Member]
Equity [Line Items]
Long-term debt			25
Interest rate on notes			11.875%
Debt exchange transaction refinancing costs			$ 6
Debt maturity date			Sep. 30, 2016