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Segment Reporting - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2014 Segment
Segment Reporting Information [Line Items]
Number of reportable segments	4us-gaap_NumberOfReportableSegments
Conventional Tanker [Member] | Maximum [Member]
Segment Reporting Information [Line Items]
Operating lease arrangement period, lessee	1 year
Conventional Tanker [Member] | Minimum [Member]
Segment Reporting Information [Line Items]
Operating lease arrangement period, lessee	1 year

X

- Definition

Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Details

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

X

- Details

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