Debt Collateral, Equity Interest in Subsidiaries, Number of Common Shares/Units

No definition available.

Name:	tk_DebtCollateralEquityInterestinSubsidiariesNumberofCommonSharesUnits
Namespace Prefix:	tk_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The minimum free liquidity and undrawn revolving credit line required by covenants of certain debt currently held by the Company, as a percentage of total debt.

+ References

No definition available.

+ Details

Name:	tk_DebtCovenantMinimumFreeLiquidityAndUndrawnRevolvingCreditLineAsPercentageOfDebt
Namespace Prefix:	tk_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt Instrument, Collateral, Number of Vessels

+ References

No definition available.

+ Details

Name:	tk_DebtInstrumentCollateralNumberofVessels
Namespace Prefix:	tk_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt Instrument, Convertible Term

+ References

No definition available.

+ Details

Name:	tk_DebtInstrumentConvertibleTerm
Namespace Prefix:	tk_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Line Of Credit Reduction Of Available Borrowing Capacity In Year Five

+ References

No definition available.

+ Details

Name:	tk_LineOfCreditReductionOfAvailableBorrowingCapacityInYearFive
Namespace Prefix:	tk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line Of Credit Reduction Of Available Borrowing Capacity In Year Four

+ References

No definition available.

+ Details

Name:	tk_LineOfCreditReductionOfAvailableBorrowingCapacityInYearFour
Namespace Prefix:	tk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line Of Credit Reduction Of Available Borrowing Capacity In Year Three

+ References

No definition available.

+ Details

Name:	tk_LineOfCreditReductionOfAvailableBorrowingCapacityInYearThree
Namespace Prefix:	tk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line Of Credit Reduction Of Available Borrowing Capacity In Year Two

+ References

No definition available.

+ Details

Name:	tk_LineOfCreditReductionOfAvailableBorrowingCapacityInYearTwo
Namespace Prefix:	tk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line Of Credit Reduction Of Available Borrowing Capacity Remainder Of Fiscal Year

+ References

No definition available.

+ Details

Name:	tk_LineOfCreditReductionOfAvailableBorrowingCapacityRemainderOfFiscalYear
Namespace Prefix:	tk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Minimum level of free cash maintained per loan agreements.

+ References

No definition available.

+ Details

Name:	tk_MinimumLevelOfFreeCashMaintainedPerLoanAgreements
Namespace Prefix:	tk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Number Of Credit Facilities

+ References

No definition available.

+ Details

Name:	tk_NumberOfCreditFacilities
Namespace Prefix:	tk_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of debt instruments.

+ References

No definition available.

+ Details

Name:	tk_NumberOfDebtInstruments
Namespace Prefix:	tk_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of debt instruments with balloon or bullet payments.

+ References

No definition available.

+ Details

Name:	tk_NumberOfDebtInstrumentsWithBalloonOrBulletPayments
Namespace Prefix:	tk_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number Of Loan Agreements

+ References

No definition available.

+ Details

Name:	tk_NumberOfLoanAgreements
Namespace Prefix:	tk_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number Of Vessels

+ References

No definition available.

+ Details

Name:	tk_NumberOfVessels
Namespace Prefix:	tk_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number Of Vessels Held As Collateral

+ References

No definition available.

+ Details

Name:	tk_NumberOfVesselsHeldAsCollateral
Namespace Prefix:	tk_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of Subsidiaries

+ References

No definition available.

+ Details

Name:	tk_NumberofSubsidiaries
Namespace Prefix:	tk_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage over par at which notes sold.

+ References

No definition available.

+ Details

Name:	tk_PercentageOfParAtWhichNotesSold
Namespace Prefix:	tk_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Undrawn Revolving Credit Facilities Time To Maturity

+ References

No definition available.

+ Details

Name:	tk_UndrawnRevolvingCreditFacilitiesTimeToMaturity
Namespace Prefix:	tk_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Vessel Market Value To Loan Ratio

+ References

No definition available.

+ Details

Name:	tk_VesselMarketValueToLoanRatio
Namespace Prefix:	tk_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Vessel Market Value to Loan Required Ratio

+ References

No definition available.

+ Details

Name:	tk_VesselMarketValueToLoanRequiredRatio
Namespace Prefix:	tk_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-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 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870

+ Details

Name:	us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031898-161870

+ Details

Name:	us-gaap_DebtInstrumentConvertibleConversionPrice1
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21521-112644

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21506-112644

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(5))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644

+ Details

Name:	us-gaap_DebtInstrumentConvertibleConversionRatio1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031898-161870

+ Details

Name:	us-gaap_DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Fair value amount of debt instrument that was repurchased.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentRepurchaseAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentRepurchasedFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeFixedInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 20
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109240200&loc=d3e30700-110894

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=109240200&loc=d3e30690-110894

+ Details

Name:	us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of gain (loss) from the difference between the repurchase price of a debt instrument initially issued by the entity and the net carrying amount of the debt at the time of its repurchase.

+ References

No definition available.

+ Details

Name:	us-gaap_GainLossOnRepurchaseOfDebtInstrument
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. 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/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-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

+ Details

Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04.(a))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

+ Details

Name:	us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

Name:	us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

Name:	us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

Name:	us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

Name:	us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

Name:	us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

+ Details

Name:	us-gaap_LongTermDebtPercentageBearingFixedInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Weighted average interest rate of long-term debt outstanding calculated at point in time.

+ References

No definition available.

+ Details

Name:	us-gaap_LongtermDebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585

+ Details

Name:	us-gaap_ProceedsFromConvertibleDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585

+ Details

Name:	us-gaap_RepaymentsOfSeniorDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16(a))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_SeniorNotes
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

+ Details

Name:	us-gaap_UnsecuredDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tk_A2020DebtFacilityMaturingInDecember2024Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tk_RemainingTermLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=tk_FixedRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=tk_ThreeMonthLondonInterbankOfferedRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_UsTreasuryUstInterestRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=tk_SeniorNotesdue2022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_ConvertibleDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tk_ConvertibleSeniorNotesdue2023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=tk_TeekayLngMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=tk_NorwegianKronerDenominatedBondsDueThroughOctoberTwoThousandTwentyOneMemberMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=tk_NiborLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=tk_EuroDenominatedTermLoansDueThroughTwoThousandTwentyThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=tk_TeekayTankersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tk_SeniorNotesdue2022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=tk_FpsoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_TransportationEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_InformationByCategoryOfDebtSecurityAxis=tk_LongTermDebt1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_InformationByCategoryOfDebtSecurityAxis=tk_LongTermDebt2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_InformationByCategoryOfDebtSecurityAxis=tk_LongTermDebt3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_InformationByCategoryOfDebtSecurityAxis=tk_LongTermDebt4Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_InformationByCategoryOfDebtSecurityAxis=tk_LongTermDebt5Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Long-Term Debt Long-Term Debt Narrative (Details) $ / shares in Units, shares in Thousands, € in Millions		1 Months Ended		3 Months Ended		9 Months Ended		12 Months Ended
	Jan. 31, 2018 USD ($)	Jan. 31, 2020 USD ($)	Nov. 30, 2015 USD ($)	Sep. 30, 2020 USD ($) vessel term_loan shares subsidiary SecurityLoan	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) vessel term_loan shares subsidiary SecurityLoan	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($) vessel	Nov. 24, 2020 USD ($)	Oct. 01, 2020 USD ($)	Oct. 01, 2020 vessel	Oct. 01, 2020 shares	Sep. 30, 2020 NOK (kr) term_loan shares vessel subsidiary SecurityLoan	Sep. 30, 2020 EUR (€) term_loan shares vessel subsidiary SecurityLoan	Dec. 31, 2019 NOK (kr) vessel	Dec. 31, 2019 EUR (€) vessel	May 31, 2019 USD ($)	Jan. 26, 2018 USD ($) $ / shares	Jan. 27, 2010 USD ($)
Debt Instrument [Line Items]
Long-term Debt, Maturities, Repayments of Principal after Year Five				$ 533,000,000.0		$ 533,000,000.0
Long-term debt, gross				2,090,917,000		2,090,917,000		$ 2,867,120,000
Long-term Debt				2,054,872,000		2,054,872,000		$ 2,827,152,000
Foreign exchange (loss) gain)				$ (5,943,000)	$ 5,628,000	$ (8,219,000)	$ (2,853,000)
Long-term Debt, Weighted Average Interest Rate, at Point in Time				3.70%		3.70%		4.60%					3.70%	3.70%	4.60%	4.60%
Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year				$ 38,000,000.0		$ 38,000,000.0
Long-term Debt, Maturities, Repayments of Principal in Year Two				423,900,000		423,900,000
Long-term Debt, Maturities, Repayments of Principal in Year Three				474,000,000.0		474,000,000.0
Long-term Debt, Maturities, Repayments of Principal in Year Four				363,600,000		363,600,000
Long-term Debt, Maturities, Repayments of Principal in Year Five				$ 258,400,000		$ 258,400,000
Number Of Loan Agreements \| SecurityLoan				5		5							5	5
Gain (Loss) on Repurchase of Debt Instrument						$ 1,100,000
Minimum [Member]
Debt Instrument [Line Items]
Undrawn Revolving Credit Facilities Time To Maturity						6 months
2020 Debt Facility Maturing in December 2024 [Member]
Debt Instrument [Line Items]
Debt Covenant Minimum Free Liquidity And Undrawn Revolving Credit Line As Percentage Of Debt				5.00%		5.00%							5.00%	5.00%
Secured Debt [Member]
Debt Instrument [Line Items]
Number Of Debt Instruments \| term_loan						6
Long-term debt, gross				$ 962,800,000		$ 962,800,000		$ 1,300,000,000
Number Of Debt Instruments With Balloon Or Bullet Payments \| term_loan				5		5							5	5
Number Of Vessels Held As Collateral \| vessel				20		20		24					20	20	24	24
Secured Debt [Member] \| Remaining Term Loans [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage				4.26%		4.26%							4.26%	4.26%
Secured Debt [Member] \| Remaining Term Loans [Member] \| Fixed Rate [Member]
Debt Instrument [Line Items]
Number Of Debt Instruments \| term_loan						1
Secured Debt [Member] \| Remaining Term Loans [Member] \| Three Month London Interbank Offered Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate						0.30%
Secured Debt [Member] \| Remaining Term Loans [Member] \| Three Month London Interbank Offered Rate [Member] \| Maximum
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate						3.25%
Senior Notes (8.5%) due January 15, 2020
Debt Instrument [Line Items]
Long-term debt, percentage bearing fixed interest, percentage rate			8.50%	0.085%		0.085%		0.085%					0.085%	0.085%	0.085%	0.085%			8.50%
Debt instrument, principal amount			$ 200,000,000																$ 450,000,000
Percentage Of Par At Which Notes Sold			99.00%
Repayments of Senior Debt		$ 613,300,000
Long-term debt, gross				$ 0		$ 0		$ 36,712,000
Senior Notes (8.5%) due January 15, 2020 \| US Treasury (UST) Interest Rate [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate						0.50%
Senior Notes due 2022 [Member]
Debt Instrument [Line Items]
Long-term debt, percentage bearing fixed interest, percentage rate				9.25%		9.25%		9.25%					9.25%	9.25%	9.25%	9.25%	9.25%
Debt instrument, principal amount																	$ 250,000,000.0
Long-term debt, gross				$ 250,000,000		$ 250,000,000		$ 250,000,000
Convertible Debt [Member] \| Convertible Senior Notes due 2023 [Member]
Debt Instrument [Line Items]
Debt Instrument, Convertible, Conversion Ratio	85.4701
Debt Instrument, Convertible, If-converted Value in Excess of Principal	$ 1,000
Debt Instrument, Convertible, Conversion Price \| $ / shares																		$ 11.70
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger	20.00%
Sale of Stock, Price Per Share \| $ / shares																		$ 9.75
Revolving Credit Facilities
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity				928,200,000		928,200,000
Line of Credit Facility, Remaining Borrowing Capacity				648,200,000		648,200,000
Line Of Credit Reduction Of Available Borrowing Capacity Remainder Of Fiscal Year				135,000,000.0		135,000,000.0
Line Of Credit Reduction Of Available Borrowing Capacity In Year Two				115,800,000		115,800,000
Line Of Credit Reduction Of Available Borrowing Capacity In Year Three				410,800,000		410,800,000
Line Of Credit Reduction Of Available Borrowing Capacity In Year Four				65,300,000		65,300,000
Line Of Credit Reduction Of Available Borrowing Capacity In Year Five				$ 201,300,000		$ 201,300,000
Debt Instrument, Collateral, Number of Vessels \| vessel				33		33							33	33
Long-term debt, gross				$ 280,000,000		$ 280,000,000		$ 603,132,000
Number Of Credit Facilities \| term_loan				4		4							4	4
Revolving Credit Facilities \| Subsequent Event
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity										$ 957,600,000
Line of Credit Facility, Remaining Borrowing Capacity										677,600,000
Line Of Credit Reduction Of Available Borrowing Capacity Remainder Of Fiscal Year										47,200,000
Line Of Credit Reduction Of Available Borrowing Capacity In Year Two										115,800,000
Line Of Credit Reduction Of Available Borrowing Capacity In Year Three										528,000,000.0
Line Of Credit Reduction Of Available Borrowing Capacity In Year Four										65,300,000
Line Of Credit Reduction Of Available Borrowing Capacity In Year Five										$ 201,300,000
Revolving Credit Facilities \| Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate						1.40%		1.40%
Revolving Credit Facilities \| Maximum
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate						3.95%		3.95%
Revolving Credit Facilities \| Secured Debt [Member]
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity				$ 150,000,000		$ 150,000,000
Teekay LNG
Debt Instrument [Line Items]
Minimum Level Of Free Cash Maintained Per Loan Agreements				35,000,000.0		35,000,000.0
Teekay LNG \| Norwegian Kroner Denominated Bonds Due Through October Two Thousand Twenty One [Member] [Member] \| Nibor Loan [Member]
Debt Instrument [Line Items]
Debt instrument, principal amount \| kr													kr 3,100,000,000
Unsecured Debt \| kr													kr 3,100,000,000		kr 3,100,000,000
Senior Notes				$ 326,800,000		$ 326,800,000		$ 347,200,000
Teekay LNG \| Norwegian Kroner Denominated Bonds Due Through October Two Thousand Twenty One [Member] [Member] \| Nibor Loan [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate						4.60%
Derivative, Fixed Interest Rate				5.74%		5.74%							5.74%	5.74%
Teekay LNG \| Norwegian Kroner Denominated Bonds Due Through October Two Thousand Twenty One [Member] [Member] \| Nibor Loan [Member] \| Maximum
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate						6.00%
Derivative, Fixed Interest Rate				7.89%		7.89%							7.89%	7.89%
Teekay LNG \| Euro Denominated Term Loans Due Through Two Thousand Twenty Three [Member]
Debt Instrument [Line Items]
Debt Instrument, Collateral, Number of Vessels \| vessel				2		2							2	2
Number Of Debt Instruments \| term_loan						2
Long-term Debt				$ 157,200,000		$ 157,200,000		$ 165,400,000						€ 134.1		€ 147.5
Number of Subsidiaries \| subsidiary				1		1							1	1
Teekay LNG \| Euro Denominated Term Loans Due Through Two Thousand Twenty Three [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate						0.60%
Teekay LNG \| Euro Denominated Term Loans Due Through Two Thousand Twenty Three [Member] \| Maximum
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate						1.95%
Teekay Tankers
Debt Instrument [Line Items]
Minimum Level Of Free Cash Maintained Per Loan Agreements				$ 35,000,000.0		$ 35,000,000.0
Parent Company [Member] \| Senior Notes (8.5%) due January 15, 2020 \| Senior Notes due 2022 [Member] \| Subsequent Event
Debt Instrument [Line Items]
Debt Instrument, Repurchased Face Amount									$ 6,600,000
Debt Instrument, Repurchase Amount									6,200,000
Parent Company [Member] \| Convertible Debt [Member] \| Convertible Senior Notes due 2023 [Member]
Debt Instrument [Line Items]
Debt instrument, principal amount																		$ 125,000,000.0
Debt Instrument, Interest Rate, Stated Percentage																		5.00%
Proceeds from Convertible Debt	$ 104,600,000
Debt Instrument, Convertible Term	5 years
Debt Instrument, Convertible, Carrying Amount of Equity Component																		$ 16,100,000
Debt Instrument, Repurchased Face Amount				10,800,000		10,800,000
Debt Instrument, Repurchase Amount				$ 8,800,000		$ 8,800,000
Parent Company [Member] \| Convertible Debt [Member] \| Convertible Senior Notes due 2023 [Member] \| Subsequent Event
Debt Instrument [Line Items]
Debt Instrument, Repurchased Face Amount									2,000,000.0
Debt Instrument, Repurchase Amount									$ 1,700,000
Common Class A [Member] \| Teekay LNG \| Revolving Credit Facilities
Debt Instrument [Line Items]
Debt Collateral, Equity Interest in Subsidiaries, Number of Common Shares/Units \| shares				25,200		25,200							25,200	25,200
Common Class A [Member] \| Teekay Tankers \| Revolving Credit Facilities
Debt Instrument [Line Items]
Debt Collateral, Equity Interest in Subsidiaries, Number of Common Shares/Units \| shares				5,000		5,000							5,000	5,000
Thousands of Shares of Common Stock Outstanding \| Teekay LNG \| Revolving Credit Facilities \| Subsequent Event
Debt Instrument [Line Items]
Debt Collateral, Equity Interest in Subsidiaries, Number of Common Shares/Units											10,750,000	10,750
FPSO
Debt Instrument [Line Items]
Debt Instrument, Collateral, Number of Vessels \| vessel				2		2							2	2
Number Of Vessels \| vessel				3		3							3	3
Transportation Equipment [Member] \| Long Term Debt1 [Member]
Debt Instrument [Line Items]
Vessel Market Value To Loan Ratio				483.00%		483.00%							483.00%	483.00%
Vessel Market Value to Loan Required Ratio				125.00%		125.00%							125.00%	125.00%
Transportation Equipment [Member] \| Long Term Debt2 [Member]
Debt Instrument [Line Items]
Vessel Market Value To Loan Ratio				234.00%		234.00%							234.00%	234.00%
Vessel Market Value to Loan Required Ratio				115.00%		115.00%							115.00%	115.00%
Transportation Equipment [Member] \| Long Term Debt3 [Member]
Debt Instrument [Line Items]
Vessel Market Value To Loan Ratio				140.00%		140.00%							140.00%	140.00%
Vessel Market Value to Loan Required Ratio				120.00%		120.00%							120.00%	120.00%
Transportation Equipment [Member] \| Long Term Debt4 [Member]
Debt Instrument [Line Items]
Vessel Market Value To Loan Ratio				203.00%		203.00%							203.00%	203.00%
Vessel Market Value to Loan Required Ratio				135.00%		135.00%							135.00%	135.00%
Transportation Equipment [Member] \| Long Term Debt5 [Member]
Debt Instrument [Line Items]
Vessel Market Value To Loan Ratio				182.00%		182.00%							182.00%	182.00%
Vessel Market Value to Loan Required Ratio				125.00%		125.00%							125.00%	125.00%