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Commodity Derivatives - Notional Volumes (Details) - Not Designated as Hedging Instrument [Member] | Sep. 30, 2025 Boe MMBTU
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Public Utilities, Inventory, Natural Gas | IndexRisk |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Derivative Nonmonetary Notional Amount Net Long Short Position Volume | MMBTU | 1,160,396,107
Public Utilities, Inventory, Natural Gas | Central Hub Risk |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Derivative Nonmonetary Notional Amount Net Long Short Position Volume | MMBTU | (35,822,745)
Public Utilities, Inventory, Natural Gas | Basis Risk |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Derivative Nonmonetary Notional Amount Net Long Short Position Volume | MMBTU | 503,442,124
Natural Gas Liquids | Central Hub Risk |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Derivative Nonmonetary Notional Amount Net Long Short Position Volume | Boe | (1,287,000)
Natural Gas Liquids | Basis Risk |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Derivative Nonmonetary Notional Amount Net Long Short Position Volume | Boe | 45,000
Crude Oil | Central Hub Risk |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Derivative Nonmonetary Notional Amount Net Long Short Position Volume | Boe | (317,000)

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