Long-term Debt and Other Financing Arrangements - Summary of Long-Term Debt (Parenthetical) (Detail) In Millions, unless otherwise specified	12 Months Ended	9 Months Ended		12 Months Ended	9 Months Ended		12 Months Ended	9 Months Ended		9 Months Ended			9 Months Ended		12 Months Ended	9 Months Ended
	Dec. 31, 2013 Senior Secured Term Loan Facility Due 2016 Libor Based Variable Rate USD ($)	Sep. 30, 2014 Senior Secured Term Loan Facility Due 2019 Libor Based Variable Rate USD ($)	Sep. 30, 2014 Senior Secured Term Loan Facility Due 2021 Libor Based Variable Rate USD ($)	Dec. 31, 2013 Senior Secured Term Loan Facility Due Two Thousand Sixteen Euro L I B O R Based Variable Rate Euro Libor Based Variable Rate EUR (€)	Sep. 30, 2014 Senior Secured Term Loan Facility Due Two Thousand Twenty One Euro Libor Based Variable Rate Euro Libor Based Variable Rate EUR (€)	Sep. 30, 2014 Senior Secured Revolving Credit Facility Due 2019 Euro LIBOR or LIBOR Based Variable Rate USD ($)	Dec. 31, 2013 Senior Debenture Loan Due 2018 USD ($)	Sep. 30, 2014 Senior Debenture Loan Due 2020 USD ($)	Dec. 31, 2013 Senior Debenture Loan Due 2020 USD ($)	Sep. 30, 2014 Senior Debenture Loan Due 2022 USD ($)	Jul. 31, 2014 Senior Debenture Loan Due 2022 USD ($)	Apr. 30, 2014 Senior Debenture Loan Due 2022 USD ($)	Sep. 30, 2014 Senior Debenture Loan Due 2021 USD ($)	Dec. 31, 2013 Senior Debenture Loan Due 2021 USD ($)	Dec. 31, 2013 Two Point One Five Percentage Libor Based Variable Rate Senior Secured Term Loan Due 2017 Libor Based Variable Rate USD ($)	Sep. 30, 2014 Two Point Four Zero Percentage Libor Based Variable Rate Senior Secured Term Loan Due 2017 Libor Based Variable Rate USD ($)
Debt Instrument [Line Items]
Debt instrument face value	$ 2,532	$ 1,580	$ 1,100	€ 289	€ 286	$ 575	$ 1,080	$ 800	$ 800	$ 1,550	$ 800	$ 750	$ 625	$ 625	$ 1,222	$ 500
Debt instrument, variable rate	2.90%	2.15%	3.15%	3.15%	3.00%										2.15%	2.40%
Debt instrument interest rate stated percentage							7.75%	4.50%		5.00%	5.00%	5.00%	5.50%
Debt instrument, maturity year	2016	2019	2021	2016	2021	2019	2018	2020		2022			2021		2017	2017