Long-Term Debt - Additional Information - Revolvers (Detail) shares in Millions	12 Months Ended
Dec. 31, 2015 USD ($) Term_loan shares	Dec. 31, 2014
Teekay Tankers [Member]
Debt Instrument [Line Items]
Debt instrument collateral, description	The TNK Loans were collateralized by first-priority mortgages on two 2010-built VLCCs, together with other related security.
Revolving Credit Facilities [Member]
Debt Instrument [Line Items]
Number of credit facilities \| Term_loan	12
Credit facility, maximum borrowing capacity	$ 1,700,000,000
Undrawn amount of revolving credit facility	$ 200,000,000
Reference rate on variable rate of the debt instrument	LIBOR
Available capacity reduced under revolving credit facility in 2016	$ 662,700,000
Available capacity reduced under revolving credit facility in 2017	512,600,000
Available capacity reduced under revolving credit facility in 2018	460,500,000
Available capacity reduced under revolving credit facility in 2019	$ 47,400,000
Debt instrument collateral, description	The Revolvers are collateralized by first-priority mortgages granted on 44 of the Company's vessels, together with other related security, and include a guarantee from Teekay or its subsidiaries for all outstanding amounts.
Revolving Credit Facilities [Member] \| Secured debt [Member]
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	$ 300,000,000
Undrawn amount of revolving credit facility	13,500,000
Line of credit facility decrease in equity margin	(200,000,000)
Credit facility, maximum borrowing capacity	28,200,000
Current borrowing capacity	$ 41,700,000
Revolving Credit Facilities [Member] \| Three-month LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	0.61%	0.26%
Revolving Credit Facilities [Member] \| Teekay Offshore [Member] \| Securities Pledged as Collateral [Member] \| Common Stock [Member]
Debt Instrument [Line Items]
Number of other securities collateralized by first-priority mortgages \| shares	38.2
Revolving Credit Facilities [Member] \| Teekay LNG [Member] \| Securities Pledged as Collateral [Member] \| Common Stock [Member]
Debt Instrument [Line Items]
Number of other securities collateralized by first-priority mortgages \| shares	25.2
Revolving Credit Facilities [Member] \| Teekay Tankers [Member] \| Securities Pledged as Collateral [Member] \| Class A [Member]
Debt Instrument [Line Items]
Number of other securities collateralized by first-priority mortgages \| shares	16.8
Revolving Credit Facilities [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument spread on variable rate	0.45%	0.45%
Revolving Credit Facilities [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument spread on variable rate	3.95%	3.95%

Line of credit reduction of available borrowing capacity in year four.

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Line of credit reduction of available borrowing capacity in year three.

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Line of credit reduction of available borrowing capacity in year two.

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Line of credit reduction of available borrowing capacity next twelve months.

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No definition available.

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- Definition

Number Of Credit Facilities

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No definition available.

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- Definition

Number of common units issued of limited liability company (LLC).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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- Definition

Discussion of whether the debt instrument is secured or unsecured, and, if secured, a description of the collateral and guarantees required or provided.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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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.

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No definition available.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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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No definition available.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Publisher SEC
-Name Regulation S-X (SX)
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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

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Amount of increase (decrease) of the credit facility.

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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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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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