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Number Of Vessels

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Number of Subsidiaries

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

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Amount of gain (loss) from deconsolidation of subsidiary and derecognition of group of assets constituting transfer of business or nonprofit activity, excluding conveyance of oil and gas mineral rights and transfer of good or service in contract with customer.

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For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.

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Carrying amount as of the balance sheet date of obligations due all related parties.

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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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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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Related Party Tranactions - Narrative (Details)			1 Months Ended		3 Months Ended		4 Months Ended	6 Months Ended
Related Party Tranactions - Narrative (Details)	May 08, 2019 vessel	Jan. 01, 2018 Subsidiaries	May 08, 2019 USD ($)	Sep. 30, 2018	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	May 08, 2019 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)	Mar. 31, 2018 USD ($)
Business Acquisition [Line Items]
Loss on deconsolidation of Teekay Offshore (note 4)					$ 0	$ 0		$ 0	$ 7,070,000
Teekay Offshore [Member]
Business Acquisition [Line Items]
Due from Related Parties										$ 83,100,000
Due to Related Parties										$ 59,300,000
Revenue from Related Parties			$ 2,300,000			4,500,000	$ 7,600,000		11,100,000
Teekay Offshore [Member] \| Brookfield Business Partners L.P. [Member]
Business Acquisition [Line Items]
Percentage of ownership acquired		100.00%
Number of Subsidiaries \| Subsidiaries		7
Revolving Credit Facilities
Business Acquisition [Line Items]
Credit facility, maximum borrowing capacity					886,779,169			886,779,169
Revolving Credit Facilities \| Teekay Offshore [Member]
Business Acquisition [Line Items]
Credit facility, maximum borrowing capacity											$ 125,000,000
Revolving Credit Facilities \| Teekay Offshore [Member] \| Brookfield Business Partners L.P. [Member]
Business Acquisition [Line Items]
Credit facility, maximum borrowing capacity											100,000,000
Parent Company [Member] \| Revolving Credit Facilities \| Teekay Offshore [Member]
Business Acquisition [Line Items]
Credit facility, maximum borrowing capacity											$ 25,000,000
Technical Services [Member] \| Teekay Offshore [Member]
Business Acquisition [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party			3,300,000			6,800,000			13,300,000
Time-Charter Hire Expense [Member] \| Teekay Lng Marubeni Joint Venture [Member]
Business Acquisition [Line Items]
Additional Time Period For Fixed Rate Time Charters Contract				2 years
Related Party Transaction, Expenses from Transactions with Related Party					3,100,000			8,700,000
Time-Charter Hire Expense [Member] \| Teekay Offshore [Member]
Business Acquisition [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party			$ 6,100,000			14,000,000	$ 20,800,000		28,000,000
Shuttle Tankers \| Teekay Offshore [Member]
Business Acquisition [Line Items]
Number Of Vessels \| vessel	2
FSO \| Teekay Offshore [Member]
Business Acquisition [Line Items]
Number Of Vessels \| vessel	3
LNG Carriers [Member] \| Equity Method Investee [Member]
Business Acquisition [Line Items]
Revenue from Related Parties					$ 16,800,000	$ 13,100,000		$ 32,600,000	$ 25,700,000
Teekay Lng Marubeni Joint Venture [Member]
Business Acquisition [Line Items]
Equity Method Investment, Ownership Percentage					52.00%			52.00%