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Acquisitions - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Sep. 01, 2021
Dec. 31, 2021
UGI Corporation Senior Credit Facility    
Business Acquisition [Line Items]    
Issuance of debt $ 215  
Mountaineer    
Business Acquisition [Line Items]    
Enterprise value 540  
Assumption of debt $ 140  
Goodwill decrease   $ 5