Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Tax [Line Items]
Effective income tax rate	31.30%	37.60%	29.40%	29.40%
Tax benefits related to Venezuelan subsidiaries	$ 39,400,000	$ 36,700,000	$ 88,300,000	$ 79,800,000
Effective income tax rate, benefited from certain favorable discrete items				16,000,000
Effective income tax rate, favorable tax settlement				7,000,000
Effective income tax rate, reserves, statute of limitations and a successful judicial verdict				6,000,000
Unrecognized tax benefits			17,000,000
Unrecognized Tax Benefits [Member]
Income Tax [Line Items]
Discrete income tax expense (benefit)	17,000,000
Return To Provision Adjustments [Member]
Income Tax [Line Items]
Discrete income tax expense (benefit)	$ (15,000,000)
Venezuela [Member]
Income Tax [Line Items]
Foreign currency exchange losses related to Venezuelan subsidiaries			31,000,000	19,000,000
Tax benefits related to Venezuelan subsidiaries			$ 0	$ 0