Derivatives and Risk Management Activities - Commodity Price Risk Hedging (Details) bbl in Millions	12 Months Ended
	Dec. 31, 2024 TWh Bcf bbl
Crude Oil Purchases | Long
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf)	7.4
Time Spread On Hedge Anticipated Crude Oil Lease Gathering Purchase Contracts | Short
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf)	4.8
Crude Oil Grade Basis Position
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf)	1.8
Anticipated Net Sales Of Inventory | Short
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf)	16.7
Natural Gas Contracts | Long
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf) | Bcf	49.3
Propane Contracts Related To Subsequent Sale Of Product | Short
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf)	8.8
Butane Contracts Related To Subsequent Sale Of Product | Short
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf)	1.3
Condensate Contracts Related To Subsequent Sale Of Product | Short
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf)	2.3
Fuel Gas Requirements Contracts | Long
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf) | Bcf	2.7
Power Supply Requirements Contracts | Long
Commodity Price Risk Hedging:
Derivative position notional amount (in Terawatt hours) | TWh	2.1