Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Jan. 01, 2020
Income Taxes [Line Items]
Effective income tax rate	23.60%	23.80%	22.40%	21.20%
Increase (decrease) in provision for income tax related to change in enacted tax law	$ 4,000,000		$ 4,000,000
Tax benefits from employee share-based payments			12,000,000
Increase in provision for income taxes			1,000,000	$ 15,000,000
Provisional deferred tax - GILTI			$ 0
Unrecognized tax benefits					$ 2,000,000
Impact of unrecognized tax benefits if recognized					$ 2,000,000
Period of expiration of the statute of limitations for certain jurisdictions				within the next twelve months
Jurisdictions statutes of limitations expiration period				12 months
Maximum
Income Taxes [Line Items]
Provisional deferred tax - GILTI				$ 1,000,000
Accrued interest and penalties		$ 1,000,000		$ 1,000,000
Foreign and U.S. state and local jurisdictions have statutes of limitations, in years				4 years
Minimum
Income Taxes [Line Items]
Foreign and U.S. state and local jurisdictions have statutes of limitations, in years				3 years