Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Taxes [Line Items]
Reduction in current income tax payable attributable to stock-based compensation	$ 130,000	$ 69,000	$ 52,000
Valuation allowance	122,850	$ 50,748
Valuation allowance increase	72,000
Undistributed earnings of certain foreign subsidiaries	$ 1,500,000
Effective interest rate of federal statutory income tax rate	35.00%	35.00%	35.00%
Unrecognized tax benefits	$ 171,177	$ 110,561	$ 109,712	$ 102,305
Unrecognized tax benefits that would impact effective tax rate	138,000	86,000
Uncertain tax positions, interest and penalties	10,000	6,000
Interest (benefit) expense, net of federal benefit and penalties	3,142	$ (8,327)	$ (2,733)
Federal
Income Taxes [Line Items]
Net operating loss carryforwards	186,000
State and Local
Income Taxes [Line Items]
Net operating loss carryforwards	167,000
Foreign
Income Taxes [Line Items]
Net operating loss carryforwards	541,000
Indefinite foreign net operating loss carryforwards	487,000
Foreign net operating loss carryforwards subject to expiration	$ 54,000
Foreign | Minimum
Income Taxes [Line Items]
Net operating loss carryforwards expiration dates	2017
Foreign | Maximum
Income Taxes [Line Items]
Net operating loss carryforwards expiration dates	2022
Federal and State | Minimum
Income Taxes [Line Items]
Net operating loss carryforwards expiration dates	2019
Federal and State | Maximum
Income Taxes [Line Items]
Net operating loss carryforwards expiration dates	2035