Revenue Recognition (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Contract asset associated with revenues from contracts with customers	$ 0	$ 0
Contract liability associated with revenues from contracts with customers	$ 0	$ 0
Natural gas and liquids | Minimum
Disaggregation of Revenue [Line Items]
Revenue payment terms	30 days
Natural gas and liquids | Maximum
Disaggregation of Revenue [Line Items]
Revenue payment terms	60 days
Marketing | Minimum
Disaggregation of Revenue [Line Items]
Revenue payment terms	30 days
Marketing | Maximum
Disaggregation of Revenue [Line Items]
Revenue payment terms	60 days