XML 69 R52.htm IDEA: XBRL DOCUMENT v3.26.1
Commodity Derivatives - Financial Statement Presentation (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration] Derivative assets   Derivative assets   Derivative assets
Derivative Liability, Current, Statement of Financial Position [Extensible Enumeration] Derivative Liability, Current   Derivative Liability, Current   Derivative Liability, Current
Energy Related Derivative          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative Asset, Fair Value, Gross Liability $ (365)   $ (365)   $ (386)
Derivative Liability, Fair Value, Gross Asset 610   610   575
Derivative Asset 266   266   336
Derivative Liability (309)   (309)   (340)
Gain (Loss) on Derivative Instruments, Net, Pretax 93 $ 47 (267) $ (26)  
Energy Related Derivative | Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Gain (Loss) on Derivative Instruments, Net, Pretax (1) 11 (2) 0  
Energy Related Derivative | Income Statement Location [Axis]: us-gaap:Revenues          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Gain (Loss) on Derivative Instruments, Net, Pretax 94 36 (265) (26)  
Not Designated as Hedging Instrument [Member] | Energy Related Derivative          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative Asset, Fair Value, Gross Asset 631   631   722
Derivative Liability, Fair Value, Gross Liability (919)   (919)   (915)
Not Designated as Hedging Instrument [Member] | Energy Related Derivative | Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Realized (2) (1) (3) (2)  
Unrealized 1 12 1 2  
Not Designated as Hedging Instrument [Member] | Energy Related Derivative | Income Statement Location [Axis]: us-gaap:Revenues          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Realized (47) 12 (181) (28)  
Unrealized 141 $ 24 (84) $ 2  
Balance Sheet Location [Axis]: us-gaap:DerivativeAssetsCurrent | Not Designated as Hedging Instrument [Member] | Energy Related Derivative          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative Asset, Fair Value, Gross Asset 412   412   494
Balance Sheet Location [Axis]: us-gaap:DerivativeLiabilitiesCurrent | Not Designated as Hedging Instrument [Member] | Energy Related Derivative          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative Liability, Fair Value, Gross Liability (525)   (525)   (535)
Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent | Not Designated as Hedging Instrument [Member] | Energy Related Derivative          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative Asset, Fair Value, Gross Asset 219   219   228
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesAndDeferredRevenueNoncurrent | Not Designated as Hedging Instrument [Member] | Energy Related Derivative          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative Liability, Fair Value, Gross Liability $ (394)   $ (394)   $ (380)