Summary of Significant Accounting Policies - Additional Information (Detail)		12 Months Ended
	Dec. 31, 2019 USD ($) ReportingUnit	Dec. 31, 2020 USD ($) ReportingUnit	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Mar. 31, 2020
Summary Of Significant Accounting Policies [Line Items]
Inventories, net	$ 465,000,000	$ 262,000,000	$ 465,000,000
Net of inventory reserves	26,000,000	39,000,000	26,000,000
Goodwill	$ 245,000,000	$ 0	245,000,000	$ 314,000,000
Number of reporting units | ReportingUnit	5	4
Foreign currency transactions gain (loss)		$ 2,000,000	$ (1,000,000)	$ (2,000,000)
Customer Concentration Risk [Member] | Sales Revenue, Net [Member]
Summary Of Significant Accounting Policies [Line Items]
Percentage of revenue		10.00%
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Discount rates utilized for reporting unit fair value valuation					11.50%
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Discount rates utilized for reporting unit fair value valuation					12.80%