Long-term Debt and Other Financing Arrangements - Summary of Long-Term Debt (Parenthetical) (Detail) In Millions, unless otherwise specified	12 Months Ended							12 Months Ended		12 Months Ended		0 Months Ended	12 Months Ended		1 Months Ended	12 Months Ended		12 Months Ended
	Dec. 31, 2013 Senior Secured Term Loan Facility Due 2016 Libor Based Variable Rate USD ($)	Dec. 31, 2014 Senior Secured Term Loan Facility Due 2019 Libor Based Variable Rate USD ($)	Dec. 31, 2014 Senior Secured Term Loan Facility Due 2021 Libor Based Variable Rate USD ($)	Dec. 31, 2014 Senior Secured Term Loan Facility Due 2021 Euro Libor Based Variable Rate EUR (€)	Dec. 31, 2013 Senior Secured Term Loan Facility Due 2022 Euro Libor Based Variable Rate EUR (€)	Dec. 31, 2014 Senior Secured Revolving Credit Facility Due 2019 Euro LIBOR or LIBOR Based Variable Rate	Dec. 30, 2014 Senior Secured Revolving Credit Facility Due 2019 Euro LIBOR or LIBOR Based Variable Rate USD ($)	Dec. 31, 2013 Senior Debenture Loan Due 2018 USD ($)	Dec. 31, 2014 Senior Debenture Loan Due 2018 USD ($)	Dec. 31, 2014 Senior Debenture Loan Due 2020 USD ($)	Dec. 31, 2013 Senior Debenture Loan Due 2020 USD ($)	Apr. 30, 2014 Senior Debenture Loan Due 2022 USD ($)	Dec. 31, 2014 Senior Debenture Loan Due 2022 USD ($)	Jul. 31, 2014 Senior Debenture Loan Due 2022 USD ($)	Sep. 30, 2013 Senior Debenture Loan Due 2021 USD ($)	Dec. 31, 2014 Senior Debenture Loan Due 2021 USD ($)	Dec. 31, 2013 Senior Debenture Loan Due 2021 USD ($)	Dec. 31, 2013 2.15% Libor Based Variable Rate Senior Secured Term Loan Due 2017 Libor Based Variable Rate USD ($)	Dec. 31, 2014 2.41% Libor Based Variable Rate Senior Secured Term Loan Facility Due 2016 Libor Based Variable Rate USD ($)
Debt Instrument [Line Items]
Debt instrument face value	$ 2,532	$ 1,580	$ 1,100	€ 286	€ 289		$ 575	$ 1,080	$ 1,080	$ 800	$ 800	$ 750	$ 1,550	$ 800	$ 625	$ 625	$ 625	$ 1,222	$ 500
Debt instrument, variable rate	2.90%	2.16%	3.16%	3.01%	3.15%													2.15%	2.41%
Debt instrument interest rate stated percentage								7.75%	7.75%	4.50%		5.00%	5.00%	5.00%	5.50%	5.50%
Debt instrument, maturity year	2016	2019	2021	2021	2022	2019		2018		2020		2022	2022		2021	2021		2017	2017