Revenue from Contracts with Customers - Disaggregated Revenues by Reportable Segment (Details) - USD ($) $ in Millions | 3 Months Ended |
Dec. 31, 2021 | Dec. 31, 2020 |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | $ 2,636 | $ 1,903 |
Other revenues | 37 | 29 |
Total revenues | 2,673 | 1,932 |
Total Utility | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 395 | 284 |
Residential | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 234 | 165 |
Commercial & Industrial | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 94 | 60 |
Large delivery service | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 43 | 40 |
Off-system sales and capacity releases | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 19 | 15 |
Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 5 | 4 |
Total Non-Utility | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 2,241 | 1,619 |
Retail | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 1,250 | 1,055 |
Wholesale | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 140 | 59 |
Energy Marketing | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 714 | 380 |
Pipeline | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 46 | 45 |
Peaking | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 6 | 2 |
Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 2 | 2 |
Electricity Generation | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 5 | 4 |
Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 78 | 72 |
Eliminations | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | (117) | (77) |
Other revenues | (1) | (1) |
Total revenues | (118) | (78) |
Eliminations | Total Utility | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | (23) | (15) |
Eliminations | Residential | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Eliminations | Commercial & Industrial | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Eliminations | Large delivery service | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Eliminations | Off-system sales and capacity releases | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | (22) | (14) |
Eliminations | Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | (1) | (1) |
Eliminations | Total Non-Utility | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | (94) | (62) |
Eliminations | Retail | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Eliminations | Wholesale | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Eliminations | Energy Marketing | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | (55) | (26) |
Eliminations | Pipeline | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Eliminations | Peaking | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | (39) | (36) |
Eliminations | Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Eliminations | Electricity Generation | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Eliminations | Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Eliminations | AmeriGas Propane | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues | 0 | 0 |
Eliminations | UGI International | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues | 0 | 0 |
Eliminations | Midstream & Marketing | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues | 94 | 62 |
Eliminations | UGI Utilities | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues | 23 | 15 |
Operating Segments | AmeriGas Propane | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 760 | 647 |
Other revenues | 18 | 19 |
Total revenues | 778 | 666 |
Operating Segments | AmeriGas Propane | Total Utility | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | AmeriGas Propane | Residential | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | AmeriGas Propane | Commercial & Industrial | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | AmeriGas Propane | Large delivery service | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | AmeriGas Propane | Off-system sales and capacity releases | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | AmeriGas Propane | Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | AmeriGas Propane | Total Non-Utility | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 760 | 647 |
Operating Segments | AmeriGas Propane | Retail | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 646 | 572 |
Operating Segments | AmeriGas Propane | Wholesale | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 56 | 19 |
Operating Segments | AmeriGas Propane | Energy Marketing | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | AmeriGas Propane | Pipeline | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | AmeriGas Propane | Peaking | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | AmeriGas Propane | Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | AmeriGas Propane | Electricity Generation | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | AmeriGas Propane | Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 58 | 56 |
Operating Segments | UGI International | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 1,041 | 694 |
Other revenues | 8 | 6 |
Total revenues | 1,049 | 700 |
Operating Segments | UGI International | Total Utility | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | UGI International | Residential | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | UGI International | Commercial & Industrial | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | UGI International | Large delivery service | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | UGI International | Off-system sales and capacity releases | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | UGI International | Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | UGI International | Total Non-Utility | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 1,041 | 694 |
Operating Segments | UGI International | Retail | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 604 | 483 |
Operating Segments | UGI International | Wholesale | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 84 | 40 |
Operating Segments | UGI International | Energy Marketing | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 333 | 155 |
Operating Segments | UGI International | Pipeline | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | UGI International | Peaking | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | UGI International | Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | UGI International | Electricity Generation | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | UGI International | Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 20 | 16 |
Operating Segments | Midstream & Marketing | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 534 | 340 |
Other revenues | 1 | 1 |
Total revenues | 535 | 341 |
Operating Segments | Midstream & Marketing | Total Utility | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | Midstream & Marketing | Residential | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | Midstream & Marketing | Commercial & Industrial | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | Midstream & Marketing | Large delivery service | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | Midstream & Marketing | Off-system sales and capacity releases | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | Midstream & Marketing | Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | Midstream & Marketing | Total Non-Utility | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 534 | 340 |
Operating Segments | Midstream & Marketing | Retail | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | Midstream & Marketing | Wholesale | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | Midstream & Marketing | Energy Marketing | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 436 | 251 |
Operating Segments | Midstream & Marketing | Pipeline | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 46 | 45 |
Operating Segments | Midstream & Marketing | Peaking | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 45 | 38 |
Operating Segments | Midstream & Marketing | Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 2 | 2 |
Operating Segments | Midstream & Marketing | Electricity Generation | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 5 | 4 |
Operating Segments | Midstream & Marketing | Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | UGI Utilities | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 418 | 299 |
Other revenues | 1 | 1 |
Total revenues | 419 | 300 |
Operating Segments | UGI Utilities | Total Utility | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 418 | 299 |
Operating Segments | UGI Utilities | Residential | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 234 | 165 |
Operating Segments | UGI Utilities | Commercial & Industrial | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 94 | 60 |
Operating Segments | UGI Utilities | Large delivery service | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 43 | 40 |
Operating Segments | UGI Utilities | Off-system sales and capacity releases | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 41 | 29 |
Operating Segments | UGI Utilities | Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 6 | 5 |
Operating Segments | UGI Utilities | Total Non-Utility | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | UGI Utilities | Retail | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | UGI Utilities | Wholesale | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | UGI Utilities | Energy Marketing | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | UGI Utilities | Pipeline | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | UGI Utilities | Peaking | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | UGI Utilities | Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | UGI Utilities | Electricity Generation | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | UGI Utilities | Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Corporate & Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Other revenues | 10 | 3 |
Total revenues | 10 | 3 |
Corporate & Other | Total Utility | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Corporate & Other | Residential | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Corporate & Other | Commercial & Industrial | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Corporate & Other | Large delivery service | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Corporate & Other | Off-system sales and capacity releases | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Corporate & Other | Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Corporate & Other | Total Non-Utility | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Corporate & Other | Retail | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Corporate & Other | Wholesale | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Corporate & Other | Energy Marketing | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Corporate & Other | Pipeline | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Corporate & Other | Peaking | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Corporate & Other | Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Corporate & Other | Electricity Generation | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Corporate & Other | Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | $ 0 | $ 0 |