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v3.26.1

Derivatives and Risk Management Activities - Offsetting Asset and Liabilities (Details) - USD ($) $ in Millions | Jun. 30, 2026 | Dec. 31, 2025
--- | --- | ---
Derivative Assets |  |
Effect of Collateral Netting | $ 33 | $ 19
Commodity derivatives |  |
Derivative Assets |  |
Effect of Collateral Netting | 33 | 19
Derivative Liabilities |  |
Gross Position - Asset | 59 | 28
Gross Position - Liability | (102) | (32)
Net Carrying Value Presented on the Balance Sheet, Total | (10) | 15
Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent | Commodity derivatives |  |
Derivative Assets |  |
Gross Position - Asset | 20 | 18
Gross Position - Liability | (12) | (24)
Effect of Collateral Netting | (7) | 19
Net Carrying Value Presented on the Balance Sheet | 1 | 13
Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent | Commodity derivatives |  |
Derivative Assets |  |
Gross Position - Asset | 11 | 1
Gross Position - Liability | (3) | 0
Effect of Collateral Netting | 0 | 0
Net Carrying Value Presented on the Balance Sheet | 8 | 1
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent | Commodity derivatives |  |
Derivative Assets |  |
Effect of Collateral Netting | 40 |
Derivative Liabilities |  |
Gross Position - Asset | 28 | (1)
Gross Position - Liability | (87) |
Net Carrying Value Presented on the Balance Sheet | (19) | (1)
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent | Commodity derivatives |  |
Derivative Assets |  |
Effect of Collateral Netting | 0 | 0
Derivative Liabilities |  |
Gross Position - Asset | 0 | 10
Gross Position - Liability | 0 | (8)
Net Carrying Value Presented on the Balance Sheet | $ 0 | $ 2

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