v3.25.2
Financial Instruments (Narrative) (Details)
Bcf in Billions
 9 Months Ended 12 Months Ended 36 Months Ended
Jun. 30, 2025
USD ($)
counterparty
Bcf
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2025
USD ($)
payment
Sep. 30, 2024
USD ($)
Derivative Instruments, Gain (Loss) [Line Items]          
Foreign Currency Forward Contract Hedge Duration 6 years        
After tax net hedging losses in accumulated other comprehensive income (loss) $ (44,500,000)        
After Tax Net Hedging Losses Reclassified Within Twelve Months (15,700,000)        
Fair market value of derivative liability with a credit-risk related contingency 34,300,000        
Hedging Collateral Deposits $ 0        
Over the Counter Swaps, No Cost Collars and Foreign Currency Forward Contracts          
Derivative Instruments, Gain (Loss) [Line Items]          
Number of counterparties in which the company holds over-the-counter swap positions | counterparty 18        
Number of counterparties in net gain position | counterparty 3        
Credit risk exposure per counterparty $ 800,000        
Maximum credit risk exposure per counterparty 2,000,000.0        
Collateral received by the company 0        
Foreign Currency Contracts          
Derivative Instruments, Gain (Loss) [Line Items]          
Hedging Notional Amount of Forecasted Transportation Costs 47,200,000        
California Asset Sale | Forecast          
Derivative Instruments, Gain (Loss) [Line Items]          
Maximum Annual Contingent Payment       $ 10,000,000  
Amount of Each Incremental Contingency Payment       1,000,000  
Incremental price, exceeding ICE Brent Average Price (in dollars per barrel)       1  
California Asset Sale | Minimum          
Derivative Instruments, Gain (Loss) [Line Items]          
ICE Brent Average (in dollars per barrel)   $ 95 $ 95    
California Asset Sale | Minimum | Forecast          
Derivative Instruments, Gain (Loss) [Line Items]          
ICE Brent Average (in dollars per barrel)       $ 95  
California Asset Sale | Maximum | Forecast          
Derivative Instruments, Gain (Loss) [Line Items]          
Number Of Annual Contingent Payments | payment       3  
ICE Brent Average (in dollars per barrel)       $ 105  
California Asset Sale | Present Value of Contingent Consideration          
Derivative Instruments, Gain (Loss) [Line Items]          
Value of Contingent Consideration Received from Sale of Assets 0       $ 700,000
California Asset Sale | Mark to Market of Contingent Consideration          
Derivative Instruments, Gain (Loss) [Line Items]          
Mark-to-Market Adjustment for Contingent Consideration $ (700,000)        
Cash Flow Hedges          
Derivative Instruments, Gain (Loss) [Line Items]          
Hedge Duration 5 years        
Cash Flow Hedges | Natural Gas Bcf          
Derivative Instruments, Gain (Loss) [Line Items]          
Nonmonetary notional amount of price risk cash flow hedge derivatives, natural gas | Bcf 427.0