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Commitments and Contingencies - Additional Information - Teekay Nakilat (Detail) (Teekay LNG [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014 Vessel	Dec. 31, 2013
Teekay Nakilat Corporation [Member]
Loss Contingencies [Line Items]
Capital lease arrangement period, lessee	The Teekay Nakilat Joint Venture was the lessee under three separate 30-year capital lease arrangements with a third party for the three RasGas II LNG Carriers.
Number of vessels	3tk_NumberOfVessels / us-gaap_LeaseArrangementTypeAxis = tk_TeekayNakilatCorporationMember / dei_LegalEntityAxis = tk_TeekayLngMember
Share of potential exposure	70.00%us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterest / us-gaap_LeaseArrangementTypeAxis = tk_TeekayNakilatCorporationMember / dei_LegalEntityAxis = tk_TeekayLngMember	70.00%us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterest / us-gaap_LeaseArrangementTypeAxis = tk_TeekayNakilatCorporationMember / dei_LegalEntityAxis = tk_TeekayLngMember
RasGas II LNG Carriers [Member] | Foreign Tax Authority [Member]
Loss Contingencies [Line Items]
Share of potential exposure	70.00%us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterest / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember / us-gaap_LeaseArrangementTypeAxis = tk_RasGasTwoLngCarriersMember / dei_LegalEntityAxis = tk_TeekayLngMember
Estimated shares of lease rental increase claim	60us-gaap_LossContingencyEstimateOfPossibleLoss / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember / us-gaap_LeaseArrangementTypeAxis = tk_RasGasTwoLngCarriersMember / dei_LegalEntityAxis = tk_TeekayLngMember

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- Definition

Number Of Vessels

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- Definition

A general description of the lessee's leasing arrangements including, but not limited to, the following: a) the basis on which contingent rental payments are determined; (b) the existence and terms of renewal or purchase options and escalation clauses; (c) restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing.

+ 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 440

-SubTopic 10

-Section 25

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6394851&loc=SL2265659-115463



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 15

-Paragraph 17

-URI http://asc.fasb.org/extlink&oid=6451445&loc=d3e32400-112679

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- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349



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-Name Accounting Standards Codification

-Topic 450

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-Section 50

-Paragraph 9

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349

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- Definition

The number of units or percentage investment held in the subsidiary by the limited liability company or limited partnership.

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