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Regulatory Matters, Commitments, Contingencies And Environmental Liabilities Narrative (Details)
1 Months Ended 3 Months Ended 12 Months Ended
Aug. 01, 2020
USD ($)
Jun. 30, 2022
USD ($)
Nov. 30, 2017
USD ($)
Mar. 31, 2025
USD ($)
sites
Rate
Dec. 31, 2024
USD ($)
Mar. 31, 2024
USD ($)
Dec. 31, 2024
USD ($)
Payments for Legal Settlements   $ 21,000,000          
Accrual for Environmental Loss Contingencies       $ 276,000,000 $ 278,000,000   $ 278,000,000
Loss Contingency, Estimate of Possible Loss       42,000,000      
Litigation Settlement, Expense       161,000,000      
Payments for Environmental Liabilities       $ 2,000,000   $ 3,000,000  
Interest Statutory Rate | Rate       12.00%      
ROW Expense       $ 16,000,000   $ 13,000,000  
State of Ohio and Ohio Environmental Protection Agency              
Loss Contingency, Damages Sought, Value     $ 3,000,000        
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       $ 316,000,000 281,000,000   281,000,000
Sunoco, Inc. [Member]              
Loss Contingency, Pending Claims, Number       2      
Sunoco [Member]              
Site Contingency, Number of Sites Needing Remediation | sites       31      
USAC [Member] | Internal Revenue Service (IRS)              
Loss Contingency, Estimate of Possible Loss       $ 29,000,000      
Loss Contingency, Estimate of Possible Loss       1,000,000      
Crestwood              
Litigation Settlement, Amount Awarded from Other Party         22,000,000    
Crestwood | pre-judgement interest award              
Litigation Settlement, Amount Awarded to Other Party         21,000,000    
Crestwood | attorney fees              
Litigation Settlement, Amount Awarded to Other Party         18,000,000    
Crestwood | other costs              
Litigation Settlement, Amount Awarded to Other Party         $ 5,000,000    
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 $ 75,000,000           81,000,000
Cline Class Action | punitive damages              
Payments for Legal Settlements             $ 75,000,000
Massachusetts Attorney General              
Legal Fees       $ 18,000,000