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Long-Term Debt - Additional Information - Senior unsecured bonds (Detail)
1 Months Ended 3 Months Ended 6 Months Ended
May 31, 2014
USD ($)
Nov. 30, 2013
USD ($)
Jun. 30, 2016
USD ($)
Vessel
Dec. 31, 2015
USD ($)
Feb. 28, 2015
USD ($)
Debt Instrument [Line Items]          
Carrying amount of long-term debt     $ 7,000,637,000 $ 7,384,086,000  
Teekay Offshore [Member] | Five-year senior unsecured bonds [Member]          
Debt Instrument [Line Items]          
Debt instrument, principal amount $ 300,000,000        
Debt instrument, term 5 years        
Debt instrument, carrying amount     $ 300,000,000    
Debt instrument interest rate 6.00%        
Teekay Offshore [Member] | Ten-year senior secured bonds [Member]          
Debt Instrument [Line Items]          
Debt instrument, principal amount   $ 174,200,000      
Debt instrument, term   10 years      
Debt instrument interest rate   4.96%      
Number of vessels | Vessel     2    
Debt instrument, carrying amount     $ 149,400,000    
Teekay Offshore [Member] | Senior Secured Bonds Mature in June 2024 [Member]          
Debt Instrument [Line Items]          
Debt instrument, principal amount         $ 30,000,000
Debt instrument interest rate         4.27%
Carrying amount of long-term debt     $ 25,400,000