Stockholders' Equity and Equity-Based Incentive Plans - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Accumulated Other Comprehensive Income Loss [Line Items]
Unrecognized compensation expense	$ 18
Expected weighted-average period for recognition of compensation cost	2 years
Restructuring and Integration Costs [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Stock-based compensation expense	$ 4
SG&A Expenses [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Stock-based compensation expense		$ 6

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