Income Taxes - Reconciliation of U.S. Statutory Income Tax Rate to Our Effective Tax Rate (Detail)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
U.S. statutory income tax rate	21.00%	21.00%	35.00%
State taxes, net of federal deduction	0.80%	(2.50%)	1.80%
Tax impact of foreign operations, including U.S. taxes on international income and foreign tax credits	(10.20%)	54.30%	(32.00%)
Change in valuation allowance	1.50%	(4.90%)	0.80%
Non-deductible expenses	0.40%	1.70%	2.70%
Goodwill impairment		(75.20%)	22.50%
Tax rate change	0.60%	(12.20%)	(24.00%)
Tax benefit relating to foreign derived intangible income and U.S. manufacturer’s deduction	(4.50%)	(0.20%)	(1.70%)
R&D tax credit	(1.20%)	6.00%	(1.20%)
Share-based compensation	(0.40%)	0.10%	(2.60%)
Net uncertain tax positions, including interest and penalties	1.90%	(25.50%)	(17.00%)
U.S. tax reform	0.10%	(3.10%)	(273.80%)
Switzerland tax reform and certain restructuring transactions	(34.80%)
Other	(0.10%)	0.60%	(0.80%)
Effective income tax rate	(24.90%)	(39.90%)	(290.30%)