XML 89 R61.htm IDEA: XBRL DOCUMENT v3.21.1
Leases - Lease Assets (Details) - CAD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Disclosure Of Information About Lease Assets Explanatory [Line Items]    
Lease assets, beginning balance $ 1,789  
Additions 148 $ 527
Depreciation (254) (259)
Derecognitions (35) (6)
Foreign exchange adjustments and other (3) (12)
Lease assets, ending balance 1,645 1,789
Product transportation and storage    
Disclosure Of Information About Lease Assets Explanatory [Line Items]    
Lease assets, beginning balance 1,166  
Additions 17 452
Depreciation (124) (106)
Derecognitions (20) 0
Foreign exchange adjustments and other (1) (3)
Lease assets, ending balance 1,038 1,166
Field equipment and power    
Disclosure Of Information About Lease Assets Explanatory [Line Items]    
Lease assets, beginning balance 317  
Additions 121 43
Depreciation (53) (54)
Derecognitions (5) (6)
Foreign exchange adjustments and other (1) 2
Lease assets, ending balance 379 317
Offshore vessels and equipment    
Disclosure Of Information About Lease Assets Explanatory [Line Items]    
Lease assets, beginning balance 182  
Additions 7 12
Depreciation (51) (72)
Derecognitions (10) 0
Foreign exchange adjustments and other 0 (10)
Lease assets, ending balance 128 182
Office leases and other    
Disclosure Of Information About Lease Assets Explanatory [Line Items]    
Lease assets, beginning balance 124  
Additions 3 20
Depreciation (26) (27)
Derecognitions 0 0
Foreign exchange adjustments and other (1) (1)
Lease assets, ending balance $ 100 $ 124