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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) | 12 Months Ended | 0 Months Ended
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | May 02, 2013
Property, Plant and Equipment [Line Items] |  |  |  |
Advances on newbuilding contracts and conversion costs | $ 1,706,500,000us-gaap_ConstructionInProgressGross | $ 796,324,000us-gaap_ConstructionInProgressGross |  |
Condition for claiming depreciation vessel's estimated useful life | Commencing the date the vessel is delivered from the shipyard, or a shorter period if regulations prevent the Company from operating the vessels for those periods of time. |  |  |
Depreciation and amortization | 422,904,000us-gaap_DepreciationAndAmortization | 431,086,000us-gaap_DepreciationAndAmortization | 455,898,000us-gaap_DepreciationAndAmortization |
Amortization of vessels accounted for as capital leases | 21,600,000us-gaap_AmortizationOfLeasedAsset | 22,800,000us-gaap_AmortizationOfLeasedAsset | 30,100,000us-gaap_AmortizationOfLeasedAsset |
Interest costs capitalized to vessels and equipment | 51,300,000us-gaap_InterestCostsCapitalized | 14,600,000us-gaap_InterestCostsCapitalized | 34,900,000us-gaap_InterestCostsCapitalized |
Asset retirement obligation | 25,000,000us-gaap_AssetRetirementObligation | 27,200,000us-gaap_AssetRetirementObligation |  |
Other non-current assets | 274,595,000us-gaap_OtherAssetsNoncurrent | 159,494,000us-gaap_OtherAssetsNoncurrent |  |
Public Subsidiaries [Member] | Maximum [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Ownership interest in the subsidiaries | 50.00%us-gaap_MinorityInterestOwnershipPercentageByParent / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_SubsidiariesMember |  |  |
Gp Of Teekay Lng And Teekay Offshore[Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Ownership interest in the subsidiaries | 100.00%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = tk_GpOfTeekayLngAndTeekayOffshoreMember |  |  |
Teekay LNG [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Ownership interest in the subsidiaries | 33.50%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = tk_TeekayLngMember | 35.30%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = tk_TeekayLngMember |  |
Teekay Offshore [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Ownership interest in the subsidiaries | 27.30%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = tk_TeekayOffshoreMember | 29.30%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = tk_TeekayOffshoreMember |  |
Interest of Company's general partner |  |  |  | 2.00%us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest / dei_LegalEntityAxis = tk_TeekayOffshoreMember
Teekay Offshore [Member] | Maximum [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Ownership interest in the subsidiaries |  | 67.00%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = tk_TeekayOffshoreMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |
Teekay Offshore [Member] | Minimum [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Ownership interest in the subsidiaries |  | 50.00%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = tk_TeekayOffshoreMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  |
Teekay Tankers [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Ownership interest in the subsidiaries | 26.20%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = tk_TeekayTankersMember | 25.10%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = tk_TeekayTankersMember |  |
Teekay Tankers [Member] | Common Class B [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Common Stock, maximum voting power | 49.00%tk_CommonStockMaximumVotingPower / dei_LegalEntityAxis = tk_TeekayTankersMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember |  |  |
Common stock number of votes per share | Five votes per share |  |  |
Crude oil tanker [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, plant and equipment, useful life | 25 years |  |  |
Refined product tanker [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, plant and equipment, useful life | 25 years |  |  |
FPSO [Member] | Maximum [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, plant and equipment, useful life | 25 years |  |  |
FPSO [Member] | Minimum [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, plant and equipment, useful life | 20 years |  |  |
Liquefied Natural Gas [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, plant and equipment, useful life | 35 years |  |  |
Liquefied Petroleum Gas [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, plant and equipment, useful life | 30 years |  |  |
Excluding amortization of Drydocking expenditure [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Depreciation and amortization | 341,500,000us-gaap_DepreciationAndAmortization / us-gaap_PropertyPlantAndEquipmentByTypeAxis = tk_ExcludingAmortizationOfDrydockingExpenditureMember | 346,500,000us-gaap_DepreciationAndAmortization / us-gaap_PropertyPlantAndEquipmentByTypeAxis = tk_ExcludingAmortizationOfDrydockingExpenditureMember | 364,300,000us-gaap_DepreciationAndAmortization / us-gaap_PropertyPlantAndEquipmentByTypeAxis = tk_ExcludingAmortizationOfDrydockingExpenditureMember |
Dry docking activity [Member] | Maximum [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, plant and equipment, useful life | 5 years |  |  |
Dry docking activity [Member] | Minimum [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, plant and equipment, useful life | 2 years 6 months |  |  |
Asset retirement obligation [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Other non-current assets | 6,800,000us-gaap_OtherAssetsNoncurrent / us-gaap_RegulatoryAssetAxis = us-gaap_AssetRetirementObligationCostsMember | 7,500,000us-gaap_OtherAssetsNoncurrent / us-gaap_RegulatoryAssetAxis = us-gaap_AssetRetirementObligationCostsMember |  |
Liquefied Gas Segment [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Depreciation and amortization | 71,712,000us-gaap_DepreciationAndAmortization / us-gaap_StatementBusinessSegmentsAxis = tk_LiquefiedGasSegmentMember | 71,485,000us-gaap_DepreciationAndAmortization / us-gaap_StatementBusinessSegmentsAxis = tk_LiquefiedGasSegmentMember | 69,064,000us-gaap_DepreciationAndAmortization / us-gaap_StatementBusinessSegmentsAxis = tk_LiquefiedGasSegmentMember |
Liquefied Gas Segment [Member] | Direct Financing Lease [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Number of vessels | 4tk_NumberOfVessels / us-gaap_PropertyPlantAndEquipmentByTypeAxis = tk_DirectFinancingLeaseMember / us-gaap_StatementBusinessSegmentsAxis = tk_LiquefiedGasSegmentMember |  |  |
Fso Segment [Member] | Direct Financing Lease [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Number of vessels | 1tk_NumberOfVessels / us-gaap_PropertyPlantAndEquipmentByTypeAxis = tk_DirectFinancingLeaseMember / us-gaap_StatementBusinessSegmentsAxis = tk_FsoSegmentMember |  |  |
General Partner [Member] | Teekay LNG [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Interest of Company's general partner | 2.00%us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest / dei_LegalEntityAxis = tk_TeekayLngMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember |  |  |
General Partner [Member] | Teekay Offshore [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Interest of Company's general partner | 2.00%us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest / dei_LegalEntityAxis = tk_TeekayOffshoreMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember |  |  |
Reclassification to advances on newbuilding contracts and conversion costs [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Advances on newbuilding contracts and conversion costs |  | $ 29,800,000us-gaap_ConstructionInProgressGross / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  |

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- Definition The expense charged against earnings for the periodic recognition of capitalized leases. This element may apply to energy companies that lease mineral producing properties and to other enterprises that capitalize property, plant, or equipment obtained through capital leases. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45031-112735 + Details
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