Operating and Direct Financing Leases - Operating Lease Obligations - Additional Information (Detail) (Teekay Tangguh Joint Venture [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014 Vessel	Dec. 31, 2013
Teekay Tangguh Joint Venture [Member]
Property Subject to or Available for Operating Lease [Line Items]
Number of vessels	2
Tax indemnification	$ 8.4	$ 8.9
Tax indemnification of lease contracts	The tax indemnification is for the duration of the lease contract with the third party plus the years it would take for the lease payments to be statute barred, and ends in 2033.
Operating lease arrangement period	20 year
Operating lease arrangement period	20 year

Number Of Vessels

No definition available.

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- Definition

A general description of the nature of the existing leasing arrangements of a lessee for all operating leases including, but not limited to: (1) rental escalation clauses; (2) renewal or purchase options; (3) guarantees or indemnities, if any, (4) restrictions imposed by lease arrangements; (5) unusual provisions or conditions; (6) contingent rentals, if any; and (7) lease expiration dates.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6452660&loc=d3e36991-112694

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 55

-Paragraph 40

-Subparagraph (Note 1)

-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697

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- Definition

A general description of the nature of the existing leasing arrangements of a lessor for all operating leases including, but not limited to: (1) guarantees or indemnities; (2) restrictions imposed by lease arrangements; (3) unusual provisions or conditions; (4) contingent rentals; and (5) lease expiration dates.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6452767&loc=d3e37045-112695

+ Details

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- Definition

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

+ Details

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- Definition

This element represents the description of a lease related indemnification agreement including the nature of the indemnification, the maximum potential amount of future payments the indemnification agreement could be required to make under the agreement, the current carrying amount of the liability and the nature of any recourse provision that would enable the lessee guarantor) to recover from third parties any of the amounts paid under the agreement and any assets held either as collateral or by third parties that upon occurrence of any triggering event or condition under the indemnification agreement the guarantor can obtain and liquidate to recover all or a portion of the amounts paid under the indemnification agreement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

+ Details

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- Details

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