v3.26.1
Derivatives and Risk Management Activities - Offsetting Asset and Liabilities (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Derivative Assets    
Effect of Collateral Netting $ (88) $ 19
Commodity derivatives    
Derivative Assets    
Effect of Collateral Netting (88) 19
Derivative Liabilities    
Gross Position - Asset 254 28
Gross Position - Liability (124) (32)
Net Carrying Value Presented on the Balance Sheet, Total 42 15
Other current assets | Commodity derivatives    
Derivative Assets    
Gross Position - Asset 247 18
Gross Position - Liability (103) (24)
Effect of Collateral Netting (88) 19
Net Carrying Value Presented on the Balance Sheet 56 13
Other long-term assets, net | Commodity derivatives    
Derivative Assets    
Gross Position - Asset 1 1
Gross Position - Liability 0 0
Effect of Collateral Netting 0 0
Net Carrying Value Presented on the Balance Sheet 1 1
Other current liabilities | Commodity derivatives    
Derivative Liabilities    
Gross Position - Asset 0 (1)
Gross Position - Liability (17)  
Net Carrying Value Presented on the Balance Sheet (17) (1)
Other long-term liabilities and deferred credits | Commodity derivatives    
Derivative Assets    
Effect of Collateral Netting 0 0
Derivative Liabilities    
Gross Position - Asset 6 10
Gross Position - Liability (4) (8)
Net Carrying Value Presented on the Balance Sheet $ 2 $ 2