Long-Term Debt - Additional Information - USD Term Loans (Detail) (USD $)	12 Months Ended
Dec. 31, 2014 Vessel Term_loan	Dec. 31, 2013 Vessel
Debt Instrument [Line Items]
Long-term Debt	$ 6,736,498,000us-gaap_LongTermDebt	$ 6,109,470,000us-gaap_LongTermDebt
Interest at a weighted-average fixed rate	3.20%	3.00%
Secured debt [Member]
Debt Instrument [Line Items]
Number of debt instruments	18
Long-term Debt	3,100,000,000	2,500,000,000
Number of term loans which have balloon or bullet repayments	17
Number of vessels	34	35
Debt instrument collateral, description	The term loans are collateralized by first-priority mortgages on 34 (December 31, 2013 - 35) of the Company's vessels, together with certain other security.
Outstanding term loans not guaranteed by Teekay or its subsidiaries	79,300,000	94,400,000
Term loan payments	Quarterly or semi-annual payments commencing three or six months after delivery of each newbuilding vessel financed thereby,
Secured debt [Member] \| Certain Term Loans [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 37,800,000	$ 176,300,000
Interest at a weighted-average fixed rate	4.80%	5.20%
Secured debt [Member] \| Remaining Term Loans [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate terms	LIBOR plus a margin
Debt instrument variable interest rate	0.30%	3.25%
Debt instrument interest	0.26%	0.25%

The amount not guaranteed by the Company or its subsidiaries.

No definition available.

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- Definition

Number of debt instruments.

+ References

No definition available.

+ Details

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- Definition

Number of debt instruments with balloon or bullet payments.

+ References

No definition available.

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- Definition

Number Of Vessels

+ References

No definition available.

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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.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 470

-Section 50

-Paragraph 3

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

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-Publisher FASB

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-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

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- Definition

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

+ References

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- Definition

Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

+ References

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. 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 SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 7

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Topic 210

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

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-Subparagraph (SX 210.7-03.16)

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- Definition

Weighted average interest rate of long-term debt outstanding.

+ References

No definition available.

+ Details

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