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Derivatives and Risk Management Activities - Commodity Price Risk Hedging (Details) bbl in Millions	9 Months Ended
	Sep. 30, 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)	6.7
Crude oil basis spread position
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf)	1.7
Anticipated net sales of crude oil and NGL inventory | Short
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf)	15.1
Natural gas purchases for processing and operational needs | Long
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf) | Bcf	82.1
Propane contracts related to subsequent sale of products | Short
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf)	14.2
Butane contracts related to subsequent sale of products | Short
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf)	4.1
Condensate sales contracts related to subsequent sale of products | Short
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf)	3.8
Fuel gas requirements | Long
Commodity Price Risk Hedging:
Derivative position notional amount (in barrels or Bcf) | Bcf	3.5
Power supply requirements | Long
Commodity Price Risk Hedging:
Derivative position notional amount (in Terawatt hours) | TWh	2.2

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- Definition

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+ References

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- Definition

Nominal volume used to calculate payments on a derivative instrument.

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