XML 83 R62.htm IDEA: XBRL DOCUMENT v3.25.0.1
Asset Retirement Obligations - Changes In Asset Retirement Obligations (Details) - CAD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Disclosure of other provisions [line items]    
Accretion $ 21,226 $ 20,406
Non-cash other income 0 (1,271)
Less current portion of asset retirement obligations 15,656 20,448
Non-current portion of asset retirement obligations 625,295 602,951
Oil and gas assets    
Disclosure of other provisions [line items]    
Change is asset retirement obligations 25,253 54,166
Change is asset retirement obligations 25,253 54,166
Asset retirement obligation    
Disclosure of other provisions [line items]    
Balance, beginning of the year 623,399 588,923
Liabilities incurred 32,635 24,185
Liabilities settled (28,793) (26,416)
Liabilities acquired from property acquisitions 814 87
Liabilities divested (9,482) (43,153)
Accretion 21,226 20,406
Non-cash other income 0 (1,271)
Change in estimate 10,113 17,067
Changes in discount rates and inflation rates (17,495) 12,914
Foreign currency translation 8,534 (653)
Balance, end of the year $ 640,951 $ 623,399
Asset retirement obligation | Canada    
Disclosure of other provisions [line items]    
Estimated risk free rate 3.30% 3.00%
Estimated inflation rate 1.80% 1.60%
Estimated risk free rate 3.30% 3.00%
Estimated inflation rate 1.80% 1.60%
Asset retirement obligation | U.S.    
Disclosure of other provisions [line items]    
Estimated risk free rate 4.80% 4.00%
Estimated inflation rate 2.30% 2.10%
Estimated risk free rate 4.80% 4.00%
Estimated inflation rate 2.30% 2.10%
Asset retirement obligation | Oil and gas assets    
Disclosure of other provisions [line items]    
Change is asset retirement obligations $ 25,300 $ 54,200
Change is asset retirement obligations 25,300 54,200
Asset retirement obligation | Aggregated individually immaterial business combinations    
Disclosure of other provisions [line items]    
Liabilities assumed from corporate acquisition $ 0 $ 31,310