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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%

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