v3.26.1
Business Combination (Narrative) (Details)
shares in Millions, $ in Millions, $ in Billions
3 Months Ended 5 Months Ended 6 Months Ended
Feb. 03, 2026
USD ($)
a
WellLocation
shares
Feb. 03, 2026
CAD ($)
WellLocation
shares
Feb. 02, 2026
shares
Oct. 01, 2025
shares
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Feb. 03, 2026
CAD ($)
a
Business Combination [Line Items]                    
Transaction costs         $ 27   $ 27 $ 27    
Revenues         2,872 $ 2,214   5,449 $ 4,589  
Direct operating expenses         183 $ 219   410 $ 424  
NuVista Acquisition [Member]                    
Business Combination [Line Items]                    
Cash and stock transaction value for acquisition $ 2,751 $ 3.8                
Purchase of common stock, shares | shares 18.5 18.5 30.1 18.5            
Cash paid for acquisition $ 1,204 $ 1.6                
Number of shares issued | shares 30.1 30.1                
Value issued $ 1,277                 $ 1.8
Transaction costs         $ 22   22 $ 22    
Transaction costs included in administrative expense 23                  
Transaction costs included in interest expense $ 4                  
Number of well locations acquired | WellLocation 930 930                
Number of acres acquired | a 140,000                 140,000
Revenues             457      
Direct operating expenses             $ 177