XML 65 R55.htm IDEA: XBRL DOCUMENT v3.25.2
Investments in Unconsolidated Entities - Narrative (Details)
Dekatherm in Thousands, $ in Millions
1 Months Ended 6 Months Ended
Dec. 31, 2023
Dekatherm
mi
in
Jun. 30, 2025
USD ($)
Bcf / d
mi
in
Feb. 03, 2025
USD ($)
Dec. 31, 2024
USD ($)
MVP Joint Venture | Alamance County, North Carolina        
Schedule of Equity Method Investments [Line Items]        
Pipeline diameter (in inches)   16    
MVP Joint Venture | The MVP        
Schedule of Equity Method Investments [Line Items]        
Natural gas interstate pipeline (in miles) | mi   303    
Pipeline diameter (in inches)   42    
Annual minimum volume (in Bcf per day) | Bcf / d   2.0    
MVP Joint Venture | MVP Southgate        
Schedule of Equity Method Investments [Line Items]        
Pipeline diameter (in inches) 30      
Annual minimum volume (in Bcf per day) | Dekatherm 550      
MVP Joint Venture | MVP Southgate | Pittsylvania        
Schedule of Equity Method Investments [Line Items]        
Natural gas interstate pipeline (in miles) | mi 31 75    
MVP Joint Venture | MVP Southgate | Rockingham County, North Carolina        
Schedule of Equity Method Investments [Line Items]        
Pipeline diameter (in inches)   24    
MVP Southgate | Minimum        
Schedule of Equity Method Investments [Line Items]        
Estimated cost | $     $ 370  
MVP Southgate | Maximum        
Schedule of Equity Method Investments [Line Items]        
Estimated cost | $     $ 430  
MVP Joint Venture | MVP Southgate        
Schedule of Equity Method Investments [Line Items]        
Remaining capital obligation, percentage (in percent)       33.00%
The Investment Fund        
Schedule of Equity Method Investments [Line Items]        
Investment owned | $   $ 33   $ 33