Revenue from Contracts with Customers - Disaggregated Revenues by Reportable Segment (Details) - USD ($) $ in Millions | 3 Months Ended |
Dec. 31, 2022 | Dec. 31, 2021 |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | $ 2,721 | $ 2,636 |
Other revenues | 38 | 37 |
Total revenues | 2,759 | 2,673 |
Total Utility | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 557 | 395 |
Residential | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 336 | 234 |
Commercial & Industrial | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 132 | 94 |
Large delivery service | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 47 | 43 |
Off-system sales and capacity releases | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 32 | 19 |
Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 10 | 5 |
Total Non-Utility | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 2,164 | 2,241 |
Retail | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 1,116 | 1,250 |
Wholesale | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 102 | 140 |
Energy Marketing | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 778 | 714 |
Pipeline | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 65 | 46 |
Peaking | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 17 | 6 |
Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 3 | 2 |
Electricity Generation | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 8 | 5 |
Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 75 | 78 |
Eliminations | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | (149) | (117) |
Other revenues | 0 | (1) |
Total revenues | (149) | (118) |
Eliminations | Total Utility | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | (33) | (23) |
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 | (33) | (22) |
Eliminations | Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | (1) |
Eliminations | Total Non-Utility | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | (116) | (94) |
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 | (77) | (55) |
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) | (39) |
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 | 115 | 94 |
Eliminations | Utilities | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues | 33 | 23 |
Operating Segments | AmeriGas Propane | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 742 | 760 |
Other revenues | 24 | 18 |
Total revenues | 766 | 778 |
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 | 742 | 760 |
Operating Segments | AmeriGas Propane | Retail | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 634 | 646 |
Operating Segments | AmeriGas Propane | Wholesale | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 51 | 56 |
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 | 57 | 58 |
Operating Segments | UGI International | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 869 | 1,041 |
Other revenues | 8 | 8 |
Total revenues | 877 | 1,049 |
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 | 869 | 1,041 |
Operating Segments | UGI International | Retail | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 482 | 604 |
Operating Segments | UGI International | Wholesale | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 51 | 84 |
Operating Segments | UGI International | Energy Marketing | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 318 | 333 |
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 | 18 | 20 |
Operating Segments | Midstream & Marketing | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 669 | 534 |
Other revenues | 0 | 1 |
Total revenues | 669 | 535 |
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 | 669 | 534 |
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 | 537 | 436 |
Operating Segments | Midstream & Marketing | Pipeline | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 65 | 46 |
Operating Segments | Midstream & Marketing | Peaking | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 56 | 45 |
Operating Segments | Midstream & Marketing | Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 3 | 2 |
Operating Segments | Midstream & Marketing | Electricity Generation | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 8 | 5 |
Operating Segments | Midstream & Marketing | Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | Utilities | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 590 | 418 |
Other revenues | 2 | 1 |
Total revenues | 592 | 419 |
Operating Segments | Utilities | Total Utility | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 590 | 418 |
Operating Segments | Utilities | Residential | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 336 | 234 |
Operating Segments | Utilities | Commercial & Industrial | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 132 | 94 |
Operating Segments | Utilities | Large delivery service | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 47 | 43 |
Operating Segments | Utilities | Off-system sales and capacity releases | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 65 | 41 |
Operating Segments | Utilities | Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 10 | 6 |
Operating Segments | Utilities | Total Non-Utility | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | Utilities | Retail | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | Utilities | Wholesale | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | Utilities | Energy Marketing | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | Utilities | Pipeline | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | Utilities | Peaking | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | Utilities | Other | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | Utilities | Electricity Generation | | |
Disaggregation of Revenue [Line Items] | | |
Total revenues from contracts with customers | 0 | 0 |
Operating Segments | 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 | 4 | 10 |
Total revenues | 4 | 10 |
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 |