Schedule of Reconciliation of Effective Tax Rate (Detail)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Line Items]
U.S. statutory federal tax rate	21.00%	21.00%	35.00%
U.S. global intangible low-taxed income	6.20%	0.30%
U.S. transition tax	1.90%	(10.50%)	28.70%
State income taxes, net of federal tax benefit	0.50%	0.10%	(0.40%)
Foreign tax credits	(5.90%)	(2.20%)	(2.20%)
Uncertain tax positions	(4.30%)	1.00%	1.70%
Foreign taxes	(4.00%)	(2.00%)	(16.30%)
U.S, foreign derived intangible income	(2.60%)	(1.80%)
U.S. research and development credit	(1.80%)	(2.20%)	(1.60%)
Equity compensation	(0.70%)	(1.20%)	(0.80%)
Impact of rate change on deferred taxs		0.30%	6.90%
Domestic production activities deduction			(0.30%)
Other, net	0.80%	0.60%	0.20%
Effective tax rate, Total	11.10%	3.40%	50.90%