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Sale of Stock, Offering Amount

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

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Amount of gain (loss) on sale or disposal of an equity method investment.

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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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Liquidity (Details)		1 Months Ended		3 Months Ended						9 Months Ended		12 Months Ended
Liquidity (Details)	May 08, 2019 USD ($)	May 31, 2019 USD ($)	Apr. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Sep. 30, 2019 USD ($) vessel	Sep. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2014 USD ($)	Nov. 30, 2015 USD ($)	Jan. 27, 2010 USD ($)
Debt Instrument [Line Items]
Gain (Loss) on Extinguishment of Debt				$ (10,700,000)
Net loss				175,908,000	$ 34,111,000	$ 61,464,000	$ 1,763,000	$ 39,647,000	$ 9,980,000	$ 271,483,000	$ 51,390,000
Net Cash Provided by (Used in) Operating Activities										256,126,000	84,413,000
Working capital deficit				366,000,000						366,000,000
Current portion of long-term debt				528,527,000						528,527,000		$ 242,137,000
Current portion of loans to equity-accounted investments				99,314,000						99,314,000		169,197,000
Proceeds from sale of equity-accounted investments and related assets (note 4)										$ 100,000,000	$ 54,438,000
Repayments of Senior Debt						$ 10,900,000
Senior Notes due 2022 [Member]
Debt Instrument [Line Items]
Debt instrument, principal amount		$ 250,000,000
Senior Notes (8.5%) due January 15, 2020
Debt Instrument [Line Items]
Debt instrument, principal amount														$ 200,000,000	$ 450,000,000
Repayments of Senior Debt		$ 460,900,000										$ 84,100,000	$ 57,300,000
Teekay Offshore [Member]
Debt Instrument [Line Items]
Proceeds from sale of equity-accounted investments and related assets (note 4)	$ 100,000,000
Equity Method Investment, Realized Gain (Loss) on Disposal	$ 8,900,000
FPSO
Debt Instrument [Line Items]
Number Of Vessels \| vessel										2
FPSO \| Asset Pledged as Collateral [Member]
Debt Instrument [Line Items]
Number Of Vessels \| vessel										3
Continuous Offering Program [Member]
Debt Instrument [Line Items]
Sale of Stock, Offering Amount			$ 63,000,000
Equity Method Investments [Member] \| Teekay LNG
Debt Instrument [Line Items]
Guarantor Obligations, Current Carrying Value				$ 1,300,000,000						$ 1,300,000,000