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Hedging Activities and Fair Value Measurements - Schedule of Hedging Instruments Under the FASB's Derivative and Hedging Guidance (Details) | 6 Months Ended
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Jun. 30, 2025 TWh MMBbls Bcf
Derivatives designated as hedging instruments: | Forecasted sales of natural gas (Bcf) | Cash flow hedge | Current |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | Bcf | 36.5
Derivatives designated as hedging instruments: | Forecasted sales of natural gas (Bcf) | Cash flow hedge | Long-Term |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | Bcf | 18.4
Derivatives designated as hedging instruments: | Forecasted sales of NGLs (MMBbls) | Cash flow hedge | Current |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | 4.6
Derivatives designated as hedging instruments: | Forecasted sales of NGLs (MMBbls) | Cash flow hedge | Long-Term |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | 0.4
Derivatives designated as hedging instruments: | Forecasted sales of octane enhancement products (MMBbls) | Cash flow hedge | Current |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | 2.5
Derivatives designated as hedging instruments: | Forecasted sales of octane enhancement products (MMBbls) | Cash flow hedge | Long-Term |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | 0.1
Derivatives designated as hedging instruments: | Natural gas storage inventory management activities (Bcf) | Fair value hedge | Current |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | Bcf | 2.0
Derivatives designated as hedging instruments: | Forecasted purchases of NGLs and related hydrocarbon products (MMBbls) | Cash flow hedge | Current |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | 216.3
Derivatives designated as hedging instruments: | Forecasted purchases of NGLs and related hydrocarbon products (MMBbls) | Cash flow hedge | Long-Term |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | 17.4
Derivatives designated as hedging instruments: | Forecasted sales of NGLs and related hydrocarbon products (MMBbls) | Cash flow hedge | Current |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | 214.2
Derivatives designated as hedging instruments: | Forecasted sales of NGLs and related hydrocarbon products (MMBbls) | Cash flow hedge | Long-Term |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | 19.0
Derivatives designated as hedging instruments: | Forecasted purchases of refined products (MMBbls) | Cash flow hedge | Current |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | 3.4
Derivatives designated as hedging instruments: | Forecasted sales of refined products (MMBbls) | Cash flow hedge | Current |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | 3.6
Derivatives designated as hedging instruments: | Forecasted purchases of crude oil (MMBbls) | Cash flow hedge | Current |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | 16.6
Derivatives designated as hedging instruments: | Forecasted purchases of crude oil (MMBbls) | Cash flow hedge | Long-Term |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | 7.2
Derivatives designated as hedging instruments: | Forecasted sales of crude oil (MMBbls) | Cash flow hedge | Current |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | 23.2
Derivatives designated as hedging instruments: | Forecasted sales of crude oil (MMBbls) | Cash flow hedge | Long-Term |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | 14.3
Derivatives designated as hedging instruments: | Forecasted sales of petrochemical products (MMBbls) | Cash flow hedge | Current |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | 0.1
Derivatives designated as hedging instruments: | Forecasted purchases of power related to asset operations (terawatt hours (“TWh”)) | Cash flow hedge | Current |
Derivative [Line Items] |
Volume | TWh | 1.2
Derivatives designated as hedging instruments: | Forecasted purchases of power related to asset operations (terawatt hours (“TWh”)) | Cash flow hedge | Long-Term |
Derivative [Line Items] |
Volume | TWh | 0.7
Derivatives not designated as hedging instruments: | Natural gas risk management activities (Bcf) | Mark-to-market | Current |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | Bcf | 64.9
Derivatives not designated as hedging instruments: | NGL risk management activities (MMBbls) | Mark-to-market | Current |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | 22.4
Derivatives not designated as hedging instruments: | NGL risk management activities (MMBbls) | Mark-to-market | Long-Term |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | 11.6
Derivatives not designated as hedging instruments: | Refined products risk management activities (MMBbls) | Mark-to-market | Current |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | 3.5
Derivatives not designated as hedging instruments: | Crude oil risk management activities (MMBbls) | Mark-to-market | Current |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | 90.9
Derivatives not designated as hedging instruments: | Crude oil risk management activities (MMBbls) | Mark-to-market | Long-Term |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | 0.5
Derivatives not designated as hedging instruments: | Petrochemical risk management activities (MMBbls) | Mark-to-market | Current |
Derivative [Line Items] |
Derivative, nonmonetary notional amount, volume | 0.3
Derivatives not designated as hedging instruments: | Commercial energy risk management activities (TWh) | Mark-to-market | Long-Term |
Derivative [Line Items] |
Volume | TWh | 0.1

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