The actual hull coverage ratio of the Company as at period end.

No definition available.

Name:	tk_ActualHullCoverageRatio
Namespace Prefix:	tk_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Finance Lease Liability, Gross

+ References

No definition available.

+ Details

Name:	tk_FinanceLeaseLiabilityGross
Namespace Prefix:	tk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

The number of vessels acquired by the entity during the period.

+ References

No definition available.

+ Details

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

- Definition

Number of vessels obligated to purchase under sale-leaseback

+ References

No definition available.

+ Details

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

- Definition

Number Of Vessels To Be Purchased

+ References

No definition available.

+ Details

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

- Definition

Number of Lessors

+ References

No definition available.

+ Details

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

- Definition

Number of Vessels with Purchase Option

+ References

No definition available.

+ Details

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

- Definition

Sale Leaseback Transaction, Cost of Repurchase

+ References

No definition available.

+ Details

Name:	tk_SaleLeasebackTransactionCostOfRepurchase
Namespace Prefix:	tk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Sale Leaseback Transaction, Expected Cost of Repurchase

+ References

No definition available.

+ Details

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

- Definition

Sale Leaseback Transaction, Net Proceeds

+ References

No definition available.

+ Details

Name:	tk_SaleLeasebackTransactionNetProceeds
Namespace Prefix:	tk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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

- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 55
-Paragraph 69C
-URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1D
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 55
-Paragraph 69B
-URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399

+ Details

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

- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

+ Details

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

- Definition

Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

+ Details

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

- Definition

Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.

+ References

+ Details

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

- Definition

Amount of lessee's undiscounted obligation for lease payments for finance lease.

+ References

+ Details

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

- Definition

Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.

+ References

+ Details

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

- Definition

Weighted average discount rate for finance lease calculated at point in time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (g)(4)
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 55
-Paragraph 53
-URI http://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971

+ Details

Name:	us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

A description of the terms of the lease(s) related to the assets being leased-back in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 40
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=123416376&loc=d3e50796-112755

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 40
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123417830&loc=SL77919786-209982

+ Details

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

- Details

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

- Details

Name:	us-gaap_FairValueByAssetClassAxis=tk_SaleLeasebackTransactionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SaleLeasebackTransactionDescriptionAxis=tk_March2022SaleLeasebackMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SaleLeasebackTransactionDescriptionAxis=tk_April2022SaleLeasebackMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SaleLeasebackTransactionDescriptionAxis=tk_January2023SaleLeasebackMember
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:	us-gaap_SaleLeasebackTransactionDescriptionAxis=tk_March2023SaleLeasebackMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	srt_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=tk_LR2AndAframaxTankersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=tk_SuezmaxAframaxAndLR2VesselsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=tk_SuezmaxTankerMember
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_SaleLeasebackTransactionDescriptionAxis=tk_November2021SaleLeasebackMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

Obligations Related to Finance Leases (Details) $ in Thousands			1 Months Ended				12 Months Ended
	Mar. 15, 2023 vessel	Jan. 31, 2023 USD ($)	Feb. 28, 2023 vessel	Jan. 31, 2023 USD ($) vessel	Apr. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($) lessor vessel	Mar. 31, 2023 USD ($)	Dec. 31, 2021 USD ($)
Capital Leased Assets [Line Items]
Finance Lease, Liability, Current							$ 60,161		$ 27,032
Finance Lease, Liability, Noncurrent							472,599		267,449
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net							0		8,605
Teekay Tankers
Capital Leased Assets [Line Items]
Finance Lease, Liability							532,760		294,481
Finance Lease, Liability, Current							60,161		27,032
Finance Lease, Liability, Noncurrent							$ 472,599		267,449
Number of vessels obligated to purchase under sales-type lease \| vessel							9
Finance Lease Liability, Gross							$ 536,480		$ 295,828
Finance Lease, Weighted Average Discount Rate, Percent							7.20%		4.80%
Teekay Tankers \| Sale-Leaseback Transaction
Capital Leased Assets [Line Items]
Number of Lessors \| lessor							27
Teekay Tankers \| March 2022 Sale Leaseback
Capital Leased Assets [Line Items]
Number of vessels \| vessel							8
Sale Leaseback Transaction, Net Proceeds						$ 177,300
Teekay Tankers \| April 2022 Sale Leaseback
Capital Leased Assets [Line Items]
Number of vessels \| vessel							5
Sale Leaseback Transaction, Net Proceeds					$ 114,000
Teekay Tankers \| January 2023 Sale Leaseback \| Subsequent Events
Capital Leased Assets [Line Items]
Sale Leaseback Transaction, Total Cost		$ 164,300		$ 164,300
Teekay Tankers \| March 2023 Sale Leaseback \| Subsequent Events
Capital Leased Assets [Line Items]
Sale Leaseback Transaction, Expected Cost of Repurchase								$ 142,800
Teekay Tankers \| Finance Lease Obligations [Member]
Capital Leased Assets [Line Items]
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net							$ (3,720)		$ (1,347)
Teekay Tankers \| Variable Interest Entity, Primary Beneficiary [Member] \| Sale-Leaseback Transaction
Capital Leased Assets [Line Items]
Number of Lessors \| lessor							6
suezmax vessels \| Teekay Tankers \| January 2023 Sale Leaseback \| Subsequent Events
Capital Leased Assets [Line Items]
Number of vessels acquired \| vessel				1
LR2 and Aframax Tankers \| Teekay Tankers \| January 2023 Sale Leaseback \| Subsequent Events
Capital Leased Assets [Line Items]
Number of vessels acquired \| vessel				8
LR2 and Aframax Tankers \| Teekay Tankers \| March 2023 Sale Leaseback \| Subsequent Events
Capital Leased Assets [Line Items]
Number Of Vessels To Be Purchased \| vessel	1
Suezmax, Aframax and LR2 Vessels \| Teekay Tankers
Capital Leased Assets [Line Items]
Number of Vessels with Purchase Option \| vessel							15
Approximate capital leases future minimum payments due							$ 695,200		364,600
Finance Lease, Liability, Undiscounted Excess Amount							$ 158,700		$ 68,800
Suezmax, Aframax and LR2 Vessels \| Teekay Tankers \| Subsequent Events
Capital Leased Assets [Line Items]
Number Of Vessels To Be Purchased \| vessel			19
Suezmax, Aframax and LR2 Vessels \| Teekay Tankers \| January 2023 Sale Leaseback \| Subsequent Events
Capital Leased Assets [Line Items]
Number of vessels acquired \| vessel				9
Suezmax, Aframax and LR2 Vessels \| Teekay Tankers \| March 2023 Sale Leaseback \| Subsequent Events
Capital Leased Assets [Line Items]
Number Of Vessels To Be Purchased \| vessel	6
Suezmax Tanker \| Teekay Tankers \| January 2023 Sale Leaseback \| Subsequent Events
Capital Leased Assets [Line Items]
Number of vessels acquired \| vessel				1
Suezmax Tanker \| Teekay Tankers \| March 2023 Sale Leaseback \| Subsequent Events
Capital Leased Assets [Line Items]
Number Of Vessels To Be Purchased \| vessel	5
Maximum \| Teekay Tankers
Capital Leased Assets [Line Items]
Sale Leaseback Transaction, Lease Terms							12
Maximum \| Teekay Tankers \| November 2021 Sale Leaseback
Capital Leased Assets [Line Items]
Actual hull coverage ratio									140.00%
Minimum \| Teekay Tankers
Capital Leased Assets [Line Items]
Sale Leaseback Transaction, Lease Terms							six
Minimum \| Teekay Tankers \| November 2021 Sale Leaseback
Capital Leased Assets [Line Items]
Actual hull coverage ratio									13200.00%