Limited Partners' Capital Account, Units Owned

No definition available.

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- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

+ References

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- Definition

The number of limited partner units issued.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

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- Definition

The cash outflow to reacquire common stock during the period.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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- Definition

Description of the reverse stock split arrangement. Also provide the retroactive effect given by the reverse split that occurs after the balance sheet date but before the release of financial statements.

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- Definition

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.

+ References

No definition available.

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Equity Financing Transactions of the Daughter Companies - Additional Information (Detail) - USD ($) $ in Millions		12 Months Ended
	Nov. 25, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	May 11, 2020	Nov. 24, 2019	Dec. 31, 2017
Subsidiary or Equity Method Investee [Line Items]
Common Stock, Shares, Outstanding		101,108,886	100,784,422
Common Stock
Subsidiary or Equity Method Investee [Line Items]
Common Stock, Shares, Outstanding		101,109,000	100,784,000	100,435,000			89,127,000
Teekay LNG \| Common Stock
Subsidiary or Equity Method Investee [Line Items]
Limited Partners' Capital Account, Units Issued					10,750,000
Teekay Tankers
Subsidiary or Equity Method Investee [Line Items]
Stockholders' Equity, Reverse Stock Split	one-for-eight
Teekay Tankers \| Common Class A
Subsidiary or Equity Method Investee [Line Items]
Common Stock, Shares, Outstanding	29,000,000.0					232,000,000.0
Teekay Tankers \| Common Class B
Subsidiary or Equity Method Investee [Line Items]
Common Stock, Shares, Outstanding	4,600,000					37,000,000.0
Teekay Tankers
Subsidiary or Equity Method Investee [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent		28.60%	28.70%
Teekay LNG
Subsidiary or Equity Method Investee [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent		42.40%	33.90%		42.00%
Teekay LNG \| Common Class A
Subsidiary or Equity Method Investee [Line Items]
Limited Partners Capital Account Units Owned		36,000,000
Common Unit Repurchase Program 2018 [Member] \| Teekay LNG
Subsidiary or Equity Method Investee [Line Items]
Stock Repurchase Program, Authorized Amount			$ 100.0
Stock Repurchased During Period, Shares		1,400,000	1,900,000	300,000
Payments for Repurchase of Common Stock		$ 15.3	$ 25.2	$ 3.7