XML 123 R62.htm IDEA: XBRL DOCUMENT v3.20.1
Property, Plant and Equipment - Narrative (Details)
shares in Millions, $ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2018
CAD ($)
Dec. 31, 2019
CAD ($)
Dec. 31, 2018
CAD ($)
Dec. 31, 2017
CAD ($)
Jun. 27, 2019
CAD ($)
May 31, 2017
USD ($)
shares
May 31, 2017
CAD ($)
shares
Disclosure of detailed information about property, plant and equipment [line items]              
Revaluation pre-tax gain     $ 19,000,000        
Return of asset retirement obligations upon disposal of property $ 69,000,000   69,000,000        
Disposals of property, plant and equipment pre-tax gain 20,000,000            
Disposals of property, plant and equipment after-tax gain 14,000,000            
Interest costs capitalized   $ 53,000,000 $ 69,000,000 $ 82,000,000      
Weighted average capitalization rate   4.00% 3.90% 3.80%      
Revenue   $ 22,871,000,000 $ 21,027,000,000 $ 17,342,000,000      
Revenue net of blending, production, transportation, and feedstock expense   11,895,000,000          
North America              
Disclosure of detailed information about property, plant and equipment [line items]              
Net cash paid for consideration for acquisition of exploration and evaluation assets   80,000,000 170,000,000 1,013,000,000      
Exploration and evaluation assets       27,000,000      
Asset retirement obligations 13,000,000 20,000,000 13,000,000 63,000,000      
Deferred tax liabilities 0 0 0 0      
Gains on acquisitions of property, plant and equipment, pre-tax   0 47,000,000 0      
Project costs not subject to depletion and depreciation 1,424,000,000   1,424,000,000        
North Sea              
Disclosure of detailed information about property, plant and equipment [line items]              
Asset retirement obligations 41,000,000   41,000,000        
Deferred tax liabilities 27,000,000   27,000,000        
Gains on acquisitions of property, plant and equipment, pre-tax     120,000,000        
Property, plant and equipment acquisition     108,000,000        
Net proceeds received for acquisition of property, plant and equipment     73,000,000        
Net working capital assets recognised, property, plant and equipment acquisition $ 7,000,000   7,000,000        
Revaluation pre-tax gain     $ 19,000,000        
Midstream and Refining              
Disclosure of detailed information about property, plant and equipment [line items]              
Revaluation pre-tax gain       114,000,000      
Revaluation after-tax gain       83,000,000      
Oil Sands Mining and Upgrading              
Disclosure of detailed information about property, plant and equipment [line items]              
Project costs not subject to depletion and depreciation   115,000,000          
Devon              
Disclosure of detailed information about property, plant and equipment [line items]              
Exploration and evaluation assets         $ 91,000,000    
Asset retirement obligations         178,000,000    
Total purchase consideration         $ 3,412,000,000    
Revenue of acquiree since acquisition date   1,540,000,000          
Revenue net of blending, production, transportation, and feedstock expense   590,000,000          
AOSP              
Disclosure of detailed information about property, plant and equipment [line items]              
Total purchase consideration             $ 12,541,000,000
Interest acquired           70.00% 70.00%
Cash transferred             $ 8,217,000,000
Number of instruments or interests issued or issuable | shares           97.6 97.6
Equity interests of acquire       3,818,000,000     $ 3,818,000,000
Liabilities incurred           $ 375 $ 506,000,000
Gain on acquisition, net of transaction costs       230,000,000      
Acquisition related transaction costs       $ 3,000,000      
AOSP, Mining And Extraction Operations              
Disclosure of detailed information about property, plant and equipment [line items]              
Interest acquired           70.00% 70.00%
AOSP, Scotford Upgrader And Quest Carbon Capture And Storage Project              
Disclosure of detailed information about property, plant and equipment [line items]              
Interest acquired           70.00% 70.00%
AOSP, Peace River Thermal In Situ Operations And Cliffdale Heavy Oil Field              
Disclosure of detailed information about property, plant and equipment [line items]              
Interest acquired           100.00% 100.00%
Non-revolving term credit facility maturing June 2022              
Disclosure of detailed information about property, plant and equipment [line items]              
Maximum credit facility   3,250,000,000          
Pro Forma | Devon              
Disclosure of detailed information about property, plant and equipment [line items]              
Revenue net of blending, production, transportation, and feedstock expense   670,000,000          
Revenue net of blending expense   $ 1,010,000,000