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Class of Warrant or Right, Warrants Issued

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Common Stock, Threshold Consecutive Trading Days

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Recognition Of Lease In Business Deconsolidation, Fair Value Disclosure

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- Definition

Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

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-Name Accounting Standards Codification
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-Subparagraph (b)(4)
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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

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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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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

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- Definition

Face amount or stated value per share of common stock.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Fair value portion of investments accounted under the equity method.

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Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

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- Definition

Gain (loss) from sale or disposal of an organization or integrated set of activities (for example, but not limited to, a partnership or corporation) engaged in providing a product or service in a commercial, industrial, or professional environment.

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No definition available.

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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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Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

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- Definition

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

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No definition available.

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Amount of Net Income (Loss) attributable to noncontrolling interest.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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The price per share at which the preferred stock of an entity that has priority over common stock in the distribution of dividends and in the event of liquidation of the entity is redeemed or may be called at. The redemption features of this preferred stock are solely within the control of the issuer.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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The number of units or percentage investment held in the subsidiary by the limited liability company or limited partnership.

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Deconsolidation of Teekay Offshore - Narrative (Details)			1 Months Ended	5 Months Ended	9 Months Ended	12 Months Ended
	Jan. 01, 2018	Sep. 25, 2017 USD ($) day $ / shares shares	Jul. 31, 2018 shares	Dec. 31, 2018 $ / shares	Sep. 24, 2017	Dec. 31, 2018 USD ($) $ / shares	Dec. 31, 2017 USD ($) $ / shares	Dec. 31, 2016 USD ($) $ / shares	Jul. 03, 2018	Jul. 01, 2016 USD ($)	Jun. 29, 2016 $ / shares
Business Acquisition [Line Items]
Common price per unit (in dollars per share) (equal to or greater than) \| $ / shares				$ 0.001		$ 0.001	$ 0.001	$ 0.001
Equity method investment, ownership interest				100.00%		100.00%
Net income (loss) attributable to non-controlling interests						$ 21,490,000	$ (365,796,000)	$ 209,846,000
Subsidiaries
Business Acquisition [Line Items]
Noncontrolling interest				50.00%		50.00%
Net income (loss) attributable to non-controlling interests						$ 21,490,000	$ (365,796,000)	209,846,000
Teekay Offshore
Business Acquisition [Line Items]
Investment in Teekay Offshore		$ 150,100,000
Teekay Offshore
Business Acquisition [Line Items]
Noncontrolling interest		50.00%
Subordinated Promissory Notes
Business Acquisition [Line Items]
Number of warrants to be issued (in shares) \| shares		11,400,000
Aggregate proceeds from the debt purchase		$ 140,000,000
Common Units \| Teekay Offshore
Business Acquisition [Line Items]
Noncontrolling interest				13.80%		13.80%	13.80%
Equity method investment, ownership interest		14.00%
General Partner \| Brookfield
Business Acquisition [Line Items]
Percentage of ownership acquired									2.00%
Ownership interest				51.00%
General Partner \| Teekay
Business Acquisition [Line Items]
Ownership interest				49.00%
General Partner \| Teekay Offshore
Business Acquisition [Line Items]
Interest of Company's general partner					100.00%
Equity method investment, ownership interest		51.00%
Teekay Offshore
Business Acquisition [Line Items]
Exercise price of warrants (in dollars per share) \| $ / shares		$ 0.01
Term of warrants (in years)		7 years
Common price per unit (in dollars per share) (equal to or greater than) \| $ / shares		$ 4.00
Trading period \| day		10
Brookfield \| General Partner
Business Acquisition [Line Items]
Percentage of ownership acquired		49.00%
Number of warrants to be issued (in shares) \| shares		1,000,000
Amount purchased for shares		$ 4,000,000
Brookfield \| Teekay Offshore
Business Acquisition [Line Items]
Number of warrants to be issued (in shares) \| shares		62,400,000
Aggregate purchase price, cash		$ 610,000,000
Number of shares to be issued/exchanged (in shares) \| shares		244,000,000
Brookfield \| Teekay Offshore \| General Partner
Business Acquisition [Line Items]
Percentage of ownership acquired		49.00%
Teekay \| Series D Preferred Stock
Business Acquisition [Line Items]
Shares outstanding (in shares) \| shares		1,040,000
Teekay \| Teekay Offshore
Business Acquisition [Line Items]
Number of warrants to be issued (in shares) \| shares		3,100,000
Aggregate purchase price, cash		$ 30,000,000
Number of shares to be issued/exchanged (in shares) \| shares		12,000,000
Teekay Corporation \| Brookfield \| Stock Purchase Warrants
Business Acquisition [Line Items]
Number of warrants to be issued (in shares) \| shares			1,000,000
Teekay Offshore
Business Acquisition [Line Items]
Fair value of vessel charters with Teekay Offshore		$ 14,812,000
Discount rate							10.00%
Net income (loss) attributable to non-controlling interests							$ (337,272,000)	$ 53,226,000
Teekay Offshore \| Deferred Gain (Loss) on Sale of Assets \| Subsidiaries
Business Acquisition [Line Items]
Net income (loss) attributable to non-controlling interests							$ 349,600,000
Teekay Offshore \| Subordinated Promissory Notes
Business Acquisition [Line Items]
Debt instrument, principal amount										$ 200,000,000
Teekay Offshore \| Series D Warrant
Business Acquisition [Line Items]
Exercise price of warrants (in dollars per share) \| $ / shares		$ 4.55		$ 4.55		$ 4.55					$ 6.05
Term of warrants (in years)						7 years
Teekay Offshore \| Series C-1 Preferred Units
Business Acquisition [Line Items]
Redemption price (in dollars per share) \| $ / shares		18.2
Teekay Offshore \| Series D Preferred Stock
Business Acquisition [Line Items]
Redemption price (in dollars per share) \| $ / shares		$ 23.75
Teekay Offshore \| General Partner
Business Acquisition [Line Items]
Percentage of ownership acquired		2.00%
Investment in Teekay Offshore		$ 150,132,000
Disposed of by sale \| Transferred Subsidiaries
Business Acquisition [Line Items]
Loss on sale of business						$ 7,100,000
Disposed of by sale \| Transferred Subsidiaries \| Teekay Offshore
Business Acquisition [Line Items]
Ownership percentage	100.00%