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Regulatory Matters, Commitments, Contingencies And Environmental Liabilities Narrative (Details)
1 Months Ended 3 Months Ended 6 Months Ended 9 Months Ended
Aug. 01, 2020
USD ($)
Jun. 30, 2022
USD ($)
Nov. 30, 2017
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2024
USD ($)
Sep. 30, 2024
USD ($)
sites
Rate
Sep. 30, 2023
USD ($)
Dec. 31, 2023
USD ($)
Payments for Legal Settlements   $ 21,200,000            
Accrual for Environmental Loss Contingencies           $ 272,000,000   $ 277,000,000
Loss Contingency, Estimate of Possible Loss           125,000,000    
Litigation Settlement, Expense           161,000,000    
Payments for Environmental Liabilities           $ 7,000,000 $ 23,000,000  
Interest Statutory Rate | Rate           12.00%    
State of Ohio and Ohio Environmental Protection Agency                
Loss Contingency, Damages Sought, Value     $ 2,600,000          
Proposed Civil Penalty                
Payments for Legal Settlements           $ 20,000,000    
Litigation Settlement, Expense           40,000,000    
Related To Deductibles                
Loss Contingency Accrual, at Carrying Value           $ 259,000,000   $ 285,000,000
Sunoco, Inc. [Member]                
Loss Contingency, Pending Claims, Number           2    
Sunoco [Member]                
Site Contingency, Number of Sites Needing Remediation | sites           32    
Culberson                
Loss Contingency, Damages Sought, Value           $ 93,000,000    
USAC [Member] | Internal Revenue Service (IRS)                
Loss Contingency, Estimate of Possible Loss           28,000,000    
USAC [Member] | Oklahoma Tax Commission                
Loss Contingency, Estimate of Possible Loss           30,000,000    
Crestwood | pre-judgement interest award                
Litigation Settlement, Amount Awarded to Other Party       $ 20,700,000        
Crestwood | attorney fees                
Litigation Settlement, Amount Awarded to Other Party       17,700,000        
Crestwood | other costs                
Litigation Settlement, Amount Awarded to Other Party       $ 4,700,000        
Cline Class Action | Additional Interest                
Litigation Settlement Interest           23,000,000    
Cline Class Action | Actual Damages                
Litigation Settlement Interest           104,000,000    
Cline Class Action | punitive damages                
Litigation Settlement Interest           75,000,000    
Cline Class Action | Actual Damages                
Payments for Legal Settlements $ 74,800,000       $ 80,700,000      
Cline Class Action | punitive damages                
Payments for Legal Settlements         $ 75,000,000      
Massachusetts Attorney General                
Legal Fees           $ 18,000,000