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Fair Value Measurements - Additional Information (Detail) (USD $) Share data in Millions, unless otherwise specified | 0 Months Ended | 12 Months Ended | 1 Months Ended | 0 Months Ended
--- | --- | --- | --- | ---
Aug. 11, 2014 FloatingAccommodationUnits | Dec. 31, 2014 | Jan. 31, 2014 | May 02, 2013
Logitel Offshore Holdings [Member] |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Number of floating accommodation units | 3tk_NumberOfFloatingAccommodationUnits / us-gaap_BusinessAcquisitionAxis = tk_LogitelOffshoreHoldingsAsMember |  |  |
Newbuildings [Member] | Logitel Offshore Holdings [Member] |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Number of floating accommodation units | 1tk_NumberOfFloatingAccommodationUnits / us-gaap_BusinessAcquisitionAxis = tk_LogitelOffshoreHoldingsAsMember / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_AssetUnderConstructionMember |  |  |
Tanker Investments Limited [Member] | Warrant [Member] |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Expected volatility used in computing fair value of stock purchase warrants |  | 61.50%us-gaap_FairValueAssumptionsExpectedVolatilityRate / dei_LegalEntityAxis = tk_TankerInvestmentsLimitedMember / us-gaap_StatementEquityComponentsAxis = us-gaap_WarrantMember |  |
Tanker Investments Limited [Member] | Warrant [Member] | Maximum [Member] |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Number of shares available through exercise of stock purchase warrant |  |  | 1.5tk_NumberOfSharesAvailableThroughExerciseOfStockPurchaseWarrants / dei_LegalEntityAxis = tk_TankerInvestmentsLimitedMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementEquityComponentsAxis = us-gaap_WarrantMember |
Teekay Offshore [Member] |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Portion of purchase price paid in cash |  |  |  | $ 253,000,000us-gaap_PaymentsToAcquireBusinessesGross / dei_LegalEntityAxis = tk_TeekayOffshoreMember
Teekay Offshore [Member] | Logitel Offshore Holdings [Member] |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Percentage of noncontrolling interest acquired | 100.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired / us-gaap_BusinessAcquisitionAxis = tk_LogitelOffshoreHoldingsAsMember / dei_LegalEntityAxis = tk_TeekayOffshoreMember |  |  |
Portion of purchase price paid in cash | 4,000,000us-gaap_PaymentsToAcquireBusinessesGross / us-gaap_BusinessAcquisitionAxis = tk_LogitelOffshoreHoldingsAsMember / dei_LegalEntityAxis = tk_TeekayOffshoreMember |  |  |
Potential additional cash amount for purchase price | 27,600,000us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh / us-gaap_BusinessAcquisitionAxis = tk_LogitelOffshoreHoldingsAsMember / dei_LegalEntityAxis = tk_TeekayOffshoreMember |  |  |
Weighted average cost of capital, discount rate |  | 10.00%us-gaap_FairValueInputsDiscountRate / us-gaap_BusinessAcquisitionAxis = tk_LogitelOffshoreHoldingsAsMember / dei_LegalEntityAxis = tk_TeekayOffshoreMember |  |
Teekay Offshore [Member] | Newbuildings [Member] | Logitel Offshore Holdings [Member] |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Number of floating accommodation units | 2tk_NumberOfFloatingAccommodationUnits / us-gaap_BusinessAcquisitionAxis = tk_LogitelOffshoreHoldingsAsMember / dei_LegalEntityAxis = tk_TeekayOffshoreMember / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_AssetUnderConstructionMember |  |  |

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- Definition Number of shares available through exercise of stock purchase warrants. + References No definition available. + Details
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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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- Definition Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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