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Investments - Teekay LNG - BG International Limited Joint Venture - Additional Information (Detail)	1 Months Ended	6 Months Ended
	Jun. 30, 2014 Vessel m³	Jun. 30, 2015 Vessel
Net Investment Income [Line Items]
Equity method investment, ownership interest		16.04%
Teekay LNG [Member] | BG Joint Venture [Member] | Newbuildings [Member] | 30% Ownership [Member]
Net Investment Income [Line Items]
Number of vessels	2
Teekay LNG [Member] | BG Joint Venture [Member] | Newbuildings [Member] | 20% Ownership [Member]
Net Investment Income [Line Items]
Number of vessels	2
Teekay LNG [Member] | BG Joint Venture [Member] | Newbuildings [Member] | Shipbuilding supervision and crew training services [Member]
Net Investment Income [Line Items]
Number of vessels	4	4
Volume of vessels | m³	174,000
Operating lease arrangement period, lessor	20 years
Teekay LNG [Member] | BG Joint Venture [Member] | Newbuildings [Member] | Shipbuilding supervision and crew training services [Member] | 30% Ownership [Member]
Net Investment Income [Line Items]
Equity method investment, ownership interest	30.00%
Teekay LNG [Member] | BG Joint Venture [Member] | Newbuildings [Member] | Shipbuilding supervision and crew training services [Member] | 20% Ownership [Member]
Net Investment Income [Line Items]
Equity method investment, ownership interest	20.00%

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+ References

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



-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Article 12



-Section 12



-Sentence Column A

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 323



-SubTopic 10



-Section 50



-Paragraph 3



-Subparagraph (a)(1)



-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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