Debt - Additional Information (Detail) In Millions, unless otherwise specified	3 Months Ended		1 Months Ended		3 Months Ended	1 Months Ended	3 Months Ended			1 Months Ended	3 Months Ended
	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Nov. 01, 2012 2012 Debt Refinancing [Member] USD ($)	Nov. 01, 2012 2012 Debt Refinancing [Member] EUR (€)	Dec. 31, 2012 2012 Debt Refinancing [Member] USD ($)	Nov. 01, 2012 2012 Debt Refinancing [Member] 9.5% Senior Secured Notes due 2016 [Member] USD ($)	Dec. 31, 2012 Term Loan Facility [Member]	Dec. 31, 2012 Term Loan Facility [Member] 2012 Debt Refinancing [Member] USD ($)	Dec. 31, 2012 Revolving Credit Facility [Member]	Nov. 01, 2012 Revolving Credit Facility [Member] 2012 Debt Refinancing [Member] USD ($)	Dec. 31, 2012 Revolving Credit Facility [Member] 2012 Debt Refinancing [Member] USD ($)
Aggregate principal amount of Senior Secured Notes			$ 500	€ 175
Due date of Senior Secured Notes			2021	2021		2016
New senior secured credit facility								600		150
Available cash			101
Outstanding senior secured notes						1,250
Interest rate						9.50%
Retired Revolving Credit Facility										60
Repayment of Revolving Credit Facility	31										31
Redemption payment					1,377
Repayments of long term debt outstanding					1,250
Secured Notes premiums					93
Secured Notes consent fees					34
Accrued interest paid					45
Recorded loss on extinguishment of debt	(83)				(83)
Debt principal value					1,250
Debt unamortized premiums					55
Unamortized debt issuance costs related to Old Secured Notes					11
LIBOR rate plus							4.00%		3.50%
Federal funds rate							0.50%		0.50%
LIBOR Term rate							One-month		One-month
One-month LIBOR Rate plus							1.00%		1.00%
One-month LIBOR Rate plus adjusted							3.00%		2.50%
Interest rate applicable to overdue principal							2.00%		2.00%
Default interest payable to overdue amounts							2.00%		2.00%
New Revolving Credit Facility fee	0.50%
Term Loan LIBOR Rate							1.25%
Annual Amortization of original principal on term loan	5.00%
First payment of original principal due	March 31, 2013
Annual repayment of term loan facility	30
Repayment of term loan payable thereafter	450
Term Loan Facility maturity date	November 1, 2018
Revolving Credit Facility maturity date	November 1, 2017
Scheduled maturities of long-term debt in 2018	750
Scheduled to mature	881
Total interest expense, net	$ 53	$ 57
Weighted-average interest rate of total debt	8.20%	10.50%