Long-term Debt and Other Financing Arrangements - Summary of Long-term Debt (Parenthetical) (Detail) In Millions, unless otherwise specified		9 Months Ended			0 Months Ended	9 Months Ended		9 Months Ended
	Apr. 30, 2014	Sep. 30, 2014 Senior Debenture Loan Due 2018 USD ($)	Sep. 30, 2014 Senior Debenture Loan Due 2020 USD ($)	Sep. 30, 2014 Senior Debenture Loan Due 2021 USD ($)	Jul. 31, 2014 Senior Debenture Loan Due 2022 USD ($)	Sep. 30, 2014 Senior Debenture Loan Due 2022 USD ($)	Apr. 30, 2014 Senior Debenture Loan Due 2022 USD ($)	Sep. 30, 2014 Libor Based Variable Rate LIBOR based variable rate of 2.90% Senior secured term loan due 2016 USD ($)	Sep. 30, 2014 Libor Based Variable Rate LIBOR based variable rate of 2.15% Senior secured term loan due 2017 USD ($)	Sep. 30, 2014 Libor Based Variable Rate LIBOR based variable rate of 2.15% Senior secured term loan due 2019 USD ($)	Sep. 30, 2014 Libor Based Variable Rate LIBOR based variable rate of 2.40% Senior secured term loan due 2017 USD ($)	Sep. 30, 2014 Libor Based Variable Rate LIBOR based variable rate of 3.15% Senior secured term loan due 2021 USD ($)	Sep. 30, 2014 Euro Libor Based Variable Rate Euro LIBOR based variable rate of 3.15% Senior secured term loan due 2016 EUR (€)	Sep. 30, 2014 Euro Libor Based Variable Rate Euro LIBOR based variable rate of 3.21% Senior secured term loan due 2021 EUR (€)	Sep. 30, 2014 Libor Or Euro Libor Based Variable Rate Senior secured revolving credit facility due 2019 USD ($)
Debt Instrument [Line Items]
Debt instrument face value					$ 800		$ 750	$ 2,532	$ 1,222	$ 1,580	$ 500	$ 1,100	€ 289	€ 286	$ 575
Senior debenture face amount		$ 1,080	$ 800	$ 625		$ 1,550
Debt instrument, variable rate								2.90%	2.15%	2.15%	2.40%	3.15%	3.15%	3.00%
Debt instrument interest rate stated percentage	5.00%	7.75%	4.50%	5.50%	5.00%	5.00%	5.00%
Debt instrument maturity year		2018	2020	2021	2022	2022		2016	2017	2019	2017	2021	2016	2021	2019