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Litigation and Environmental - Louisiana Governmental Coastal Zone Erosion Litigation (Details) - Coastal Zone
Mar. 29, 2019
Parties
Nov. 08, 2013
Parties
Mar. 31, 2023
cases
Judicial District of Louisiana      
Loss Contingencies [Line Items]      
Loss Contingency, Pending Claims, Number     40
Judicial District of Louisiana | TGP      
Loss Contingencies [Line Items]      
Loss Contingency, Pending Claims, Number     1
Judicial District of Louisiana | SNG      
Loss Contingencies [Line Items]      
Loss Contingency, Pending Claims, Number     1
Parish of Plaquemines, Louisiana | TGP      
Loss Contingencies [Line Items]      
Loss Contingency, Number of Defendants | Parties   17  
Parish Orleans, Louisiana | SNG      
Loss Contingencies [Line Items]      
Loss Contingency, Number of Defendants | Parties 10