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Income Taxes - Reconciliation of Effective Tax Rate (Detail)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Statutory federal income tax rate	21.00%	21.00%	21.00%
U.S. taxation of foreign profits, net of foreign tax credits	(1.70%)	(0.60%)	3.30%
Research and employment tax credits	(0.40%)	3.00%	(17.20%)
State and local taxes	0.20%	3.20%	(22.40%)
Foreign tax rate differences	(1.60%)	(19.40%)	152.30%
Statutory changes in tax rates	0.10%	(1.20%)	17.80%
Valuation allowance	(1.30%)	(2.50%)	(349.20%)
Changes in uncertain tax positions	(2.90%)	(2.00%)	(9.00%)
Nondeductible expenses	1.20%	(7.70%)	57.30%
GILTI and FDII	2.10%	17.60%	54.80%
Other items, net	(0.30%)	1.80%	12.00%
Effective income tax rate	16.40%	13.20%	(79.30%)

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Change In Effective Income Tax Rate Reconciliation GILTI And FDII, Percent

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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