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Long-Term Debt - Additional Information - Senior unsecured bonds (Detail)
1 Months Ended 3 Months Ended 12 Months Ended
May 31, 2014
USD ($)
Nov. 30, 2013
USD ($)
vessel
Dec. 31, 2016
USD ($)
subsidiary
Dec. 31, 2015
USD ($)
Feb. 28, 2015
USD ($)
Sep. 30, 2013
USD ($)
Debt Instrument [Line Items]            
Number of vessels | vessel   5        
Carrying amount of long-term debt     $ 6,730,132,000 $ 7,480,374,000    
Number of subsidiaries | subsidiary     3      
Teekay Offshore [Member] | Five-year senior unsecured bonds [Member]            
Debt Instrument [Line Items]            
Debt instrument, principal amount $ 300,000,000          
Debt term 5 years          
Debt instrument, carrying amount     $ 300,000,000      
Debt instrument interest rate 6.00%          
Teekay Offshore [Member] | Ten-year senior unsecured bonds [Member]            
Debt Instrument [Line Items]            
Debt instrument, principal amount   $ 174,200,000       $ 174,200,000
Debt term   10 years        
Debt instrument interest rate   4.96%       4.96%
Number of vessels | vessel   2        
Debt instrument, carrying amount     $ 143,300,000      
Teekay Offshore [Member] | Senior secured Bonds Due 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     $ 23,400,000      
Number of subsidiaries | subsidiary     2