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Summary of Significant Accounting Policies - Summary of Capitalized Dry Docking Costs (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Balance at the end of the year	$ 8,106,247us-gaap_PropertyPlantAndEquipmentNet	$ 7,351,144us-gaap_PropertyPlantAndEquipmentNet
Dry docking activity [Member]
Property, Plant and Equipment [Line Items]
Balance at the beginning of the year	118,194us-gaap_PropertyPlantAndEquipmentNet / us-gaap_PropertyPlantAndEquipmentByTypeAxis = tk_DrydockingActivityMember	100,928us-gaap_PropertyPlantAndEquipmentNet / us-gaap_PropertyPlantAndEquipmentByTypeAxis = tk_DrydockingActivityMember	128,987us-gaap_PropertyPlantAndEquipmentNet / us-gaap_PropertyPlantAndEquipmentByTypeAxis = tk_DrydockingActivityMember
Costs incurred for dry dockings	74,018tk_DrydockingCostIncurred / us-gaap_PropertyPlantAndEquipmentByTypeAxis = tk_DrydockingActivityMember	72,545tk_DrydockingCostIncurred / us-gaap_PropertyPlantAndEquipmentByTypeAxis = tk_DrydockingActivityMember	35,336tk_DrydockingCostIncurred / us-gaap_PropertyPlantAndEquipmentByTypeAxis = tk_DrydockingActivityMember
Dry dock amortization	(50,926)us-gaap_AdjustmentForAmortization / us-gaap_PropertyPlantAndEquipmentByTypeAxis = tk_DrydockingActivityMember	(50,325)us-gaap_AdjustmentForAmortization / us-gaap_PropertyPlantAndEquipmentByTypeAxis = tk_DrydockingActivityMember	(57,082)us-gaap_AdjustmentForAmortization / us-gaap_PropertyPlantAndEquipmentByTypeAxis = tk_DrydockingActivityMember
Write down / sales of vessels	(5,955)us-gaap_PropertyPlantAndEquipmentDisposals / us-gaap_PropertyPlantAndEquipmentByTypeAxis = tk_DrydockingActivityMember	(4,954)us-gaap_PropertyPlantAndEquipmentDisposals / us-gaap_PropertyPlantAndEquipmentByTypeAxis = tk_DrydockingActivityMember	(6,313)us-gaap_PropertyPlantAndEquipmentDisposals / us-gaap_PropertyPlantAndEquipmentByTypeAxis = tk_DrydockingActivityMember
Balance at the end of the year	$ 135,331us-gaap_PropertyPlantAndEquipmentNet / us-gaap_PropertyPlantAndEquipmentByTypeAxis = tk_DrydockingActivityMember	$ 118,194us-gaap_PropertyPlantAndEquipmentNet / us-gaap_PropertyPlantAndEquipmentByTypeAxis = tk_DrydockingActivityMember	$ 100,928us-gaap_PropertyPlantAndEquipmentNet / us-gaap_PropertyPlantAndEquipmentByTypeAxis = tk_DrydockingActivityMember

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- Definition

Costs incurred for dry docking which are capitalized.

+ References

No definition available.

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- Definition

The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.

+ 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

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Amount of divestiture of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229



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-Name Accounting Standards Codification

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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 13

-Subparagraph a

-Article 5



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

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