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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

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9031-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130543-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. 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