Derivatives and Risk Management Activities - Commodity Price Risk Hedging (Details) bbl in Millions	12 Months Ended
	Dec. 31, 2023 TWh bbl Bcf
Crude Oil Purchases | Long
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf)	6.3
Time Spread on Hedging Anticipated Crude Oil Lease Gathering Purchases | Short
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf)	5.6
Crude Oil Basis Spread Position
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf)	2.3
Anticipated Net Sales of Crude Oil and NGL Inventory | Short
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf)	18.2
Natural Gas Purchases for Processing and Operational Needs | Long
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf) | Bcf	78.2
Propane Contracts Related to Subsequent Sale of Products | Short
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf)	14.1
Butane Contracts Related to Subsequent Sale of Products | Short
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf)	2.5
Condensate Contracts Related to Subsequent Sale of Products | Short
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf)	3.1
Fuel Gas Requirements | Long
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf) | Bcf	7.1
Power Supply Requirements | Long
Commodity Price Risk Hedging:
Derivative position notional amount (in terawatt hours) | TWh	2.4