Number of debt instruments.

No definition available.

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- Definition

Number Of Vessels

+ References

No definition available.

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- Definition

Number of Subsidiaries

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

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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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- Definition

Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 20
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64836518&loc=d3e30700-110894

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=64836518&loc=d3e30690-110894

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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- Details

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Long-Term Debt - Additional Information - Term Loans (Detail) $ in Thousands, € in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2017 USD ($) vessel	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) term_loan vessel subsidiary	Sep. 30, 2016 USD ($)	Dec. 31, 2016 USD ($)	Sep. 30, 2017 EUR (€) vessel	Dec. 31, 2016 EUR (€)
Debt Instrument [Line Items]
Long-term debt	$ 3,348,512		$ 3,348,512		$ 6,639,546
Unrealized foreign exchange loss	2,642	$ (6,116)	$ 22,888	$ 19,555
Teekay LNG \| Euro-denominated Term Loans due through 2023
Debt Instrument [Line Items]
Number of debt instruments \| term_loan			2
Long-term debt	$ 233,800		$ 233,800		$ 219,700	€ 197.9	€ 208.9
Reference rate on variable rate of the debt instrument			EURIBOR
Number of vessels \| vessel	2		2			2
Number of subsidiaries \| subsidiary			1
Teekay LNG \| Euro-denominated Term Loans due through 2023 \| Maximum
Debt Instrument [Line Items]
Debt instrument spread on variable rate			2.25%		2.25%
Teekay LNG \| Euro-denominated Term Loans due through 2023 \| Minimum
Debt Instrument [Line Items]
Debt instrument spread on variable rate			0.60%		0.60%