XML 68 R84.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
EQUITY INVESTMENTS - Narrative (Details)
$ in Millions
1 Months Ended 12 Months Ended
Oct. 31, 2017
CAD ($)
Aug. 31, 2017
CAD ($)
Dec. 31, 2019
CAD ($)
Dec. 31, 2018
CAD ($)
Dec. 31, 2017
CAD ($)
Dec. 31, 2019
MXN ($)
Dec. 31, 2018
MXN ($)
Dec. 31, 2017
MXN ($)
Equity Investments                
Distributions received from equity investments     $ 1,399 $ 1,106 $ 1,332      
Returns of capital     186 121 362      
Contributions to equity investments     602 1,015 1,681      
Foreign exchange gain (loss)     53 (5) (63)      
Joint Venture | Revolving credit facility | Unsecured Loan Facility                
Equity Investments                
Credit facility, amount               $ 21,300,000,000
TransGas                
Equity Investments                
Asset impairment charges   $ 12            
Ownership interest percentage   46.50%            
Contract term   20 years            
TransGas | Mexico Natural Gas Pipelines                
Equity Investments                
Ownership interest percentage   0.00%            
Canaport Energy East Marine Terminal Limited Partnership | Liquids Pipelines | Energy East, Eastern Mainline and Upland projects                
Equity Investments                
Asset impairment charges $ 20              
Sur de Texas                
Equity Investments                
Contributions to equity investments     32 179 977      
Sur de Texas | Joint Venture                
Equity Investments                
Loans receivable from affiliates     1,400 1,300   $ 20,900,000,000 $ 18,900,000,000  
Interest income, related party     147 120 34      
Foreign exchange gain (loss)     $ 53 $ (5) $ (63)      
Sur de Texas | Mexico Natural Gas Pipelines                
Equity Investments                
Ownership interest percentage     60.00%     60.00%