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Regulatory Matters, Commitments, Contingencies And Environmental Liabilities (Narrative) (Details)
1 Months Ended 12 Months Ended
Sep. 21, 2022
USD ($)
Dec. 29, 2021
USD ($)
Aug. 01, 2020
USD ($)
Jan. 31, 2023
USD ($)
Jun. 30, 2022
USD ($)
Dec. 31, 2023
USD ($)
Rate
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Operating Leases, Rent Expense           $ 68,000,000 $ 64,000,000 $ 48,000,000    
Payments for Environmental Liabilities           29,000,000 30,000,000      
Total environmental liabilities           $ 277,000,000 $ 282,000,000      
Site Contingency, Number of Sites Needing Remediation           32        
Loss Contingency, Estimate of Possible Loss           $ 200,000,000        
Litigation Settlement, Expense           161,000,000        
Legal Fees           $ 18,000,000        
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]           Other non-current liabilities Other non-current liabilities      
Interest Statutory Rate | Rate           12.00%        
Williams                    
Loss Contingency, Damages Sought, Value           $ 410,000,000       $ 1,480,000,000
Payments for Legal Settlements           627,000,000        
Litigation Settlement, Expense $ 601,000,000                  
Debt Instrument, Interest Rate, Stated Percentage 3.50%                  
Litigation Settlement, Amount Awarded to Other Party   $ 190,000,000                
Cline Class Action | Actual Damages                    
Payments for Legal Settlements     $ 74,800,000              
Cline Class Action | Punitive Damages [Member]                    
Payments for Legal Settlements     75,000,000              
Cline Class Action | Amended Actual Damages                    
Payments for Legal Settlements     $ 80,700,000              
Ohio EPA                    
Loss Contingency, Damages Sought, Value                 $ 2,600,000  
Proposed Civil Penalty                    
Payments for Legal Settlements           20,000,000        
Litigation Settlement, Expense           40,000,000        
Additional Interest | Cline Class Action                    
Litigation Settlement Interest           23,000,000        
Actual Damages | Cline Class Action                    
Litigation Settlement Interest           104,000,000        
Punitive Damages [Member] | Cline Class Action                    
Litigation Settlement Interest           75,000,000        
Culberson                    
Loss Contingency, Damages Sought, Value           93,000,000        
Crestwood                    
Payments for Legal Settlements       $ 21,200,000            
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          
Related To Deductibles [Member]                    
Loss Contingency Accrual           $ 285,000,000 $ 200,000,000