XML 120 R87.htm IDEA: XBRL DOCUMENT v3.19.3
COMMITMENTS AND CONTINGENT LIABILITIES Nova Ethylene Asset Matter (Details)
$ in Millions, $ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Oct. 24, 2019
CAD ($)
Dec. 31, 2019
CAD ($)
Sep. 30, 2019
USD ($)
Sep. 30, 2019
CAD ($)
Sep. 30, 2019
USD ($)
Gain Contingencies [Line Items]          
Gain (Loss) Related to Litigation Settlement     $ 205   $ 205
Nova Ethylene Asset Matter [Member]          
Gain Contingencies [Line Items]          
Estimated Litigation Liability, Noncurrent     893   $ 893
Litigation Settlement, Amount Awarded from Other Party     1,080 $ 1,430  
Gain (Loss) Related to Litigation Settlement     186    
Nova Ethylene Asset Matter [Member] | Sundry Income (Expense), Net [Member]          
Gain Contingencies [Line Items]          
Gain (Loss) Related to Litigation Settlement     170    
Nova Ethylene Asset Matter [Member] | Selling, General and Administrative Expenses [Member]          
Gain Contingencies [Line Items]          
Gain (Loss) Related to Litigation Settlement     16    
Accounts and notes receivable - Other | Nova Ethylene Asset Matter [Member]          
Gain Contingencies [Line Items]          
Litigation Settlement, Amount Awarded from Other Party     $ 1,079    
Subsequent Event [Member] | Nova Ethylene Asset Matter [Member]          
Gain Contingencies [Line Items]          
Litigation Settlement, Amount Awarded from Other Party   $ 1,080      
Litigation settlement, Amount Awarded from Other Party - Withholding Tax $ 347