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Capitalized Software Amortized Straight Line Substantially Ready For Use

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Revenue From Contract With Customer, Contract Term

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Description of Business, Basis of Presentation and Significant Accounting Policies - Additional Information (Detail) - USD ($) shares in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Depreciation expense	$ 138,000,000	$ 104,000,000	$ 67,000,000
Impairment of long-lived assets	$ 0
Antidilutive options to purchase were excluded from computation of diluted earnings per share (in shares)		115.5
Internal-Use Software
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Period capitalized on a straight-line basis when the asset is substantially ready for use	3 years
Minimum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Contract term	1 month
Maximum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Contract term	5 years
Equipment \| Minimum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives (in years)	3 years
Equipment \| Maximum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives (in years)	5 years
Building \| Minimum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives (in years)	25 years
Building \| Maximum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives (in years)	45 years
Employee Stock Option
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Antidilutive options to purchase were excluded from computation of diluted earnings per share (in shares)	2.0	2.0	2.6