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Equity Accounted Investments - Condensed Summary of Company's Investments in and Advances to Joint Ventures (Parenthetical) (Detail) (Teekay BLT Corporation [Member], Teekay Tangguh Borrower LLC [Member], USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Teekay BLT Corporation [Member] | Teekay Tangguh Borrower LLC [Member]
   
Schedule of Equity Method Investments [Line Items]    
Loans to joint venture partners carrying value $ 1.8us-gaap_DueFromRelatedPartiesNoncurrent
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= tk_TeekayTangguhBorrowerLlcMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= tk_TeekayBltCorporationMember
$ 28.5us-gaap_DueFromRelatedPartiesNoncurrent
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= tk_TeekayTangguhBorrowerLlcMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= tk_TeekayBltCorporationMember