XML 87 R59.htm IDEA: XBRL DOCUMENT v3.22.1
Property, Plant and Equipment - Detailed information about property, plant and equipment (Details) - CAD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period $ 65,752  
Property, plant and equipment at end of period 66,400 $ 65,752
Cost    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period 131,895 129,789
Additions/Acquisitions 5,960 3,340
Transfers from E&E assets 223 194
Derecognitions and other (909) (1,158)
Disposals   (92)
Foreign exchange adjustments and other 87 178
Property, plant and equipment at end of period 137,082 131,895
Accumulated depletion and depreciation    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period (66,143) (61,746)
Derecognitions and other 909 1,158
Disposals   63
Foreign exchange adjustments and other (60) (174)
Expense 5,508 5,792
Property, plant and equipment at end of period (70,682) (66,143)
Operating segments | North America    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period 24,356  
Property, plant and equipment at end of period 25,102 24,356
Operating segments | North America | Cost    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period 73,997 72,627
Additions/Acquisitions 4,146 1,789
Transfers from E&E assets 73 194
Derecognitions and other (382) (521)
Disposals   (92)
Foreign exchange adjustments and other 0 0
Property, plant and equipment at end of period 77,834 73,997
Operating segments | North America | Accumulated depletion and depreciation    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period (49,641) (46,577)
Derecognitions and other 382 521
Disposals   63
Foreign exchange adjustments and other 5 (28)
Expense 3,468 3,676
Property, plant and equipment at end of period (52,732) (49,641)
Operating segments | North Sea    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period 1,430  
Property, plant and equipment at end of period 1,487 1,430
Operating segments | North Sea | Cost    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period 7,283 7,296
Additions/Acquisitions 208 104
Transfers from E&E assets 0 0
Derecognitions and other 3 (3)
Disposals   0
Foreign exchange adjustments and other 56 114
Property, plant and equipment at end of period 7,438 7,283
Operating segments | North Sea | Accumulated depletion and depreciation    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period (5,853) (5,712)
Derecognitions and other (3) 3
Disposals   0
Foreign exchange adjustments and other (54) (103)
Expense 149 247
Property, plant and equipment at end of period (5,951) (5,853)
Operating segments | Offshore Africa    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period 1,141  
Property, plant and equipment at end of period 1,057 1,141
Operating segments | Offshore Africa | Cost    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period 3,963 3,933
Additions/Acquisitions 48 94
Transfers from E&E assets 0 0
Derecognitions and other 0 0
Disposals   0
Foreign exchange adjustments and other 31 64
Property, plant and equipment at end of period 3,980 3,963
Operating segments | Offshore Africa | Accumulated depletion and depreciation    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period (2,822) (2,712)
Derecognitions and other 0 0
Disposals   0
Foreign exchange adjustments and other (17) (51)
Expense 118 161
Property, plant and equipment at end of period (2,923) (2,822)
Operating segments | Oil Sands Mining and Upgrading    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period 38,421  
Property, plant and equipment at end of period 38,357 38,421
Operating segments | Oil Sands Mining and Upgrading | Cost    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period 45,710 45,016
Additions/Acquisitions 1,526 1,328
Transfers from E&E assets 150 0
Derecognitions and other (530) (634)
Disposals   0
Foreign exchange adjustments and other 0 0
Property, plant and equipment at end of period 46,856 45,710
Operating segments | Oil Sands Mining and Upgrading | Accumulated depletion and depreciation    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period (7,289) (6,247)
Derecognitions and other 530 634
Disposals   0
Foreign exchange adjustments and other 7 8
Expense 1,733 1,668
Property, plant and equipment at end of period (8,499) (7,289)
Operating segments | Midstream and Refining    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period 289  
Property, plant and equipment at end of period 283 289
Operating segments | Midstream and Refining | Cost    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period 457 451
Additions/Acquisitions 9 6
Transfers from E&E assets 0 0
Derecognitions and other 0 0
Disposals   0
Foreign exchange adjustments and other 0 0
Property, plant and equipment at end of period 466 457
Operating segments | Midstream and Refining | Accumulated depletion and depreciation    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period (168) (153)
Derecognitions and other 0 0
Disposals   0
Foreign exchange adjustments and other 0 0
Expense 15 15
Property, plant and equipment at end of period (183) (168)
Head office    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period 115  
Property, plant and equipment at end of period 114 115
Head office | Cost    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period 485 466
Additions/Acquisitions 23 19
Transfers from E&E assets 0 0
Derecognitions and other 0 0
Disposals   0
Foreign exchange adjustments and other 0 0
Property, plant and equipment at end of period 508 485
Head office | Accumulated depletion and depreciation    
Reconciliation of changes in property, plant and equipment [abstract]    
Property, plant and equipment at beginning of period (370) (345)
Derecognitions and other 0 0
Disposals   0
Foreign exchange adjustments and other (1) 0
Expense 25 25
Property, plant and equipment at end of period $ (394) $ (370)