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Acquisitions - Narrative (Details) - USD ($) $ in Millions |  | 3 Months Ended
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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

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