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Revenue from Contracts with Customers Revenue From Contracts with Customers - Disaggregation (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | May 17, 2018
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | $ 2,175.2 |  |
Other revenue | 25.0 |  |
Revenues | 2,200.2 | $ 2,125.2 |
Negative surcharge |  |  | $ (4.1)
Residential |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 175.7 |  |
Commercial & Industrial |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 67.6 |  |
Large delivery service |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 39.5 |  |
Off-system sales and capacity releases |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 15.2 |  |
Other (b) |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.5 |  |
Total Utility |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 298.5 |  |
Retail |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 1,229.7 |  |
Wholesale |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 60.0 |  |
Energy Marketing |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 468.9 |  |
Pipeline |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 19.4 |  |
Peaking |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 2.0 |  |
Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 1.0 |  |
Electricity Generation |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 11.7 |  |
Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 84.0 |  |
Total Non-Utility |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 1,876.7 |  |
Eliminations |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | (110.5) |  |
Other revenue | (1.1) |  |
Revenues | (111.6) | (97.1) |
Eliminations | Residential |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Eliminations | Commercial & Industrial |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Eliminations | Large delivery service |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Eliminations | Off-system sales and capacity releases |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | (22.9) |  |
Eliminations | Other (b) |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | (0.7) |  |
Eliminations | Total Utility |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | (23.6) |  |
Eliminations | Retail |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Eliminations | Wholesale |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Eliminations | Energy Marketing |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | (47.5) |  |
Eliminations | Pipeline |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Eliminations | Peaking |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | (38.7) |  |
Eliminations | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Eliminations | Electricity Generation |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Eliminations | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | (0.7) |  |
Eliminations | Total Non-Utility |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | (86.9) |  |
Eliminations | AmeriGas Propane |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 0.0 | 0.0 |
Eliminations | UGI International |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 0.0 | 0.0 |
Eliminations | Midstream and Marketing |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 86.9 | 78.2 |
Eliminations | UGI Utilities |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 23.6 | 17.7 |
Operating Segments | AmeriGas Propane |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 803.5 |  |
Other revenue | 16.7 |  |
Revenues | 820.2 | 787.3 |
Operating Segments | AmeriGas Propane | Residential |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | AmeriGas Propane | Commercial & Industrial |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | AmeriGas Propane | Large delivery service |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | AmeriGas Propane | Off-system sales and capacity releases |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | AmeriGas Propane | Other (b) |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | AmeriGas Propane | Total Utility |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | AmeriGas Propane | Retail |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 721.9 |  |
Operating Segments | AmeriGas Propane | Wholesale |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 21.0 |  |
Operating Segments | AmeriGas Propane | Energy Marketing |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | AmeriGas Propane | Pipeline |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | AmeriGas Propane | Peaking |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | AmeriGas Propane | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | AmeriGas Propane | Electricity Generation |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | AmeriGas Propane | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 60.6 |  |
Operating Segments | AmeriGas Propane | Total Non-Utility |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 803.5 |  |
Operating Segments | UGI International |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 702.3 |  |
Other revenue | 8.4 |  |
Revenues | 710.7 | 784.2 |
Operating Segments | UGI International | Residential |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | UGI International | Commercial & Industrial |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | UGI International | Large delivery service |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | UGI International | Off-system sales and capacity releases |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | UGI International | Other (b) |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | UGI International | Total Utility |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | UGI International | Retail |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 507.8 |  |
Operating Segments | UGI International | Wholesale |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 39.0 |  |
Operating Segments | UGI International | Energy Marketing |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 143.1 |  |
Operating Segments | UGI International | Pipeline |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | UGI International | Peaking |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | UGI International | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | UGI International | Electricity Generation |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | UGI International | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 12.4 |  |
Operating Segments | UGI International | Total Non-Utility |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 702.3 |  |
Operating Segments | Midstream and Marketing |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 457.8 |  |
Other revenue | 1.6 |  |
Revenues | 459.4 | 249.8 |
Operating Segments | Midstream and Marketing | Residential |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | Midstream and Marketing | Commercial & Industrial |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | Midstream and Marketing | Large delivery service |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | Midstream and Marketing | Off-system sales and capacity releases |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | Midstream and Marketing | Other (b) |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | Midstream and Marketing | Total Utility |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | Midstream and Marketing | Retail |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | Midstream and Marketing | Wholesale |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | Midstream and Marketing | Energy Marketing |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 373.3 |  |
Operating Segments | Midstream and Marketing | Pipeline |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 19.4 |  |
Operating Segments | Midstream and Marketing | Peaking |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 40.7 |  |
Operating Segments | Midstream and Marketing | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 1.0 |  |
Operating Segments | Midstream and Marketing | Electricity Generation |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 11.7 |  |
Operating Segments | Midstream and Marketing | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 11.7 |  |
Operating Segments | Midstream and Marketing | Total Non-Utility |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 457.8 |  |
Operating Segments | UGI Utilities |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 322.1 |  |
Other revenue | 0.6 |  |
Revenues | 322.7 | 305.4 |
Operating Segments | UGI Utilities | Residential |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 175.7 |  |
Operating Segments | UGI Utilities | Commercial & Industrial |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 67.6 |  |
Operating Segments | UGI Utilities | Large delivery service |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 39.5 |  |
Operating Segments | UGI Utilities | Off-system sales and capacity releases |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 38.1 |  |
Operating Segments | UGI Utilities | Other (b) |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 1.2 |  |
Operating Segments | UGI Utilities | Total Utility |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 322.1 |  |
Operating Segments | UGI Utilities | Retail |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | UGI Utilities | Wholesale |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | UGI Utilities | Energy Marketing |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | UGI Utilities | Pipeline |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | UGI Utilities | Peaking |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | UGI Utilities | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | UGI Utilities | Electricity Generation |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | UGI Utilities | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Operating Segments | UGI Utilities | Total Non-Utility |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Corporate & Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Other revenue | (1.2) |  |
Revenues | (1.2) | $ (1.5) |
Corporate & Other | Residential |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Corporate & Other | Commercial & Industrial |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Corporate & Other | Large delivery service |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Corporate & Other | Off-system sales and capacity releases |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Corporate & Other | Other (b) |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Corporate & Other | Total Utility |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Corporate & Other | Retail |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Corporate & Other | Wholesale |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Corporate & Other | Energy Marketing |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Corporate & Other | Pipeline |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Corporate & Other | Peaking |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Corporate & Other | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Corporate & Other | Electricity Generation |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Corporate & Other | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 0.0 |  |
Corporate & Other | Total Non-Utility |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | $ 0.0 |  |

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