v3.26.1
Acquisitions and Divestitures (Narrative) (Details)
$ in Millions, $ in Millions
3 Months Ended 6 Months Ended
Jan. 31, 2025
USD ($)
a
Jan. 31, 2025
CAD ($)
a
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Acquisitions and Divestitures [Line Items]              
Proceeds from divestitures     $ 2,822 $ 12 $ 2,829 $ 1,896  
Acquisitions     14 3 21 2,313  
Loss on Derivatives     (68) 33 (78) (35)  
Loss on Derivatives     337 0 337 0  
Goodwill     2,324   2,324   $ 2,576
Montney Acquisition [Member]              
Acquisitions and Divestitures [Line Items]              
Proceeds from divestitures   $ 3,328          
Number of acres acquired | a 109,000 109,000          
Cash paid for acquisition $ 2,308            
Anadarko Assets [Member]              
Acquisitions and Divestitures [Line Items]              
Loss on Derivatives     337   337    
Goodwill     502   502    
USA Operations [Member] | Operating Segments [Member]              
Acquisitions and Divestitures [Line Items]              
Proceeds from divestitures     2,822 12 2,829 1,896  
Acquisitions     14 2 22 4  
Goodwill     1,436   1,436   1,938
USA Operations [Member] | Operating Segments [Member] | Uinta and Bakken Assets [Member]              
Acquisitions and Divestitures [Line Items]              
Proceeds from divestitures           1,882  
USA Operations [Member] | Operating Segments [Member] | Anadarko Assets [Member]              
Acquisitions and Divestitures [Line Items]              
Proceeds from divestitures         2,821    
Canadian Operations [Member] | Operating Segments [Member]              
Acquisitions and Divestitures [Line Items]              
Acquisitions     (0) $ 1 (1) $ 2,309  
Goodwill     $ 888   $ 888   $ 638