Amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership, due after 1 year (or 1 business cycle).

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- Definition

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Segment Reporting - Additional Information (Detail) $ in Millions		12 Months Ended	19 Months Ended
	May 08, 2019 USD ($)	Dec. 31, 2021 segment	May 07, 2019
Segment Reporting Information [Line Items]
Number of Reportable Segments \| segment		2
Altera
Segment Reporting Information [Line Items]
Due from Affiliate, Noncurrent \| $	$ 25
Altera \| General Partner
Segment Reporting Information [Line Items]
Interest of Company's general partner			49.00%
Altera \| Thousands of Shares of Common Stock Outstanding
Segment Reporting Information [Line Items]
Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest			13.80%
Teekay Corporation \| General Partner \| Altera
Segment Reporting Information [Line Items]
Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest	49.00%