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v3.23.3

Segment Information - Corporate and Other segment information (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2023 | Jun. 30, 2023 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2021
Segment Reporting Information [Line Items] |  |  |  |  |
Net gains (losses) on commodity derivative instruments not associated with current-period transactions |  |  | $ (1,682,000,000) | $ 648,000,000 | $ 1,398,000,000
Loss on extinguishment of debt |  |  | (9,000,000) | (11,000,000) | 0
Loss associated with impairment of AmeriGas Propane goodwill |  |  | (656,000,000) | 0 | 0
Impairment of customer relationship intangible |  |  |  |  | (20,000,000)
Costs associated with exit of the UGI International energy marketing business |  |  | (221,000,000) | 0 | $ 0
Restructuring, Incurred Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] |  |  |  |  |
AmeriGas Propane |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Loss associated with impairment of AmeriGas Propane goodwill | $ (656,000,000) | $ (656,000,000) | (656,000,000) |  |
UGI International |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Loss associated with impairment of AmeriGas Propane goodwill |  |  | 0 |  |
Midstream & Marketing |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Loss associated with impairment of AmeriGas Propane goodwill |  |  | 0 |  |
Corporate & Other |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Loss on extinguishment of debt |  |  | (9,000,000) | (11,000,000) |
Corporate & Other | AmeriGas Propane |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Loss on extinguishment of debt |  |  | (9,000,000) | 0 |
Loss associated with impairment of AmeriGas Propane goodwill |  |  | (656,000,000) |  |
Corporate & Other | AmeriGas Propane | Revenues |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net gains (losses) on commodity derivative instruments not associated with current-period transactions |  |  | 0 | 0 | $ 0
Corporate & Other | AmeriGas Propane | Cost of sales |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net gains (losses) on commodity derivative instruments not associated with current-period transactions |  |  | (16,000,000) | (185,000,000) | 167,000,000
Corporate & Other | AmeriGas Propane | Other operating income, net |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net gains (losses) on commodity derivative instruments not associated with current-period transactions |  |  |  | 0 |
Corporate & Other | AmeriGas Propane | Operating and administrative expenses |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
AmeriGas performance enhancement |  |  | (24,000,000) | (5,000,000) |
Restructuring costs |  |  |  | (16,000,000) | (54,000,000)
Impairment of customer relationship intangible |  |  |  |  | 0
Costs associated with exit of the UGI International energy marketing business |  |  |  | 0 |
Corporate & Other | AmeriGas Propane | Other non-operating (expense) income, net |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net gains (losses) on commodity derivative instruments not associated with current-period transactions |  |  | 0 | 0 | 0
Corporate & Other | AmeriGas Propane | Income (loss) from equity investees |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Impairments associated with certain equity method investments |  |  |  | 0 | 0
Corporate & Other | AmeriGas Propane | Revenues/Operating and administrative expenses |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Costs associated with exit of the UGI International energy marketing business |  |  | 0 |  |
Corporate & Other | AmeriGas Propane | Loss on disposal of UGI International energy marketing business |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Costs associated with exit of the UGI International energy marketing business |  |  | 0 |  |
Corporate & Other | UGI International |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Loss on extinguishment of debt |  |  | 0 | (11,000,000) |
Loss associated with impairment of AmeriGas Propane goodwill |  |  | 0 |  |
Corporate & Other | UGI International | Revenues |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net gains (losses) on commodity derivative instruments not associated with current-period transactions |  |  | 4,000,000 | 9,000,000 | 0
Corporate & Other | UGI International | Cost of sales |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net gains (losses) on commodity derivative instruments not associated with current-period transactions |  |  | (1,402,000,000) | 797,000,000 | 1,065,000,000
Corporate & Other | UGI International | Other operating income, net |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net gains (losses) on commodity derivative instruments not associated with current-period transactions |  |  |  | 2,000,000 |
Corporate & Other | UGI International | Operating and administrative expenses |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
AmeriGas performance enhancement |  |  | 0 | 0 |
Restructuring costs |  |  |  | (9,000,000) | (33,000,000)
Impairment of customer relationship intangible |  |  |  |  | (20,000,000)
Costs associated with exit of the UGI International energy marketing business |  |  |  | (5,000,000) |
Corporate & Other | UGI International | Other non-operating (expense) income, net |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net gains (losses) on commodity derivative instruments not associated with current-period transactions |  |  | (38,000,000) | 50,000,000 | 8,000,000
Corporate & Other | UGI International | Income (loss) from equity investees |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Impairments associated with certain equity method investments |  |  |  | 0 | 0
Corporate & Other | UGI International | Revenues/Operating and administrative expenses |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Costs associated with exit of the UGI International energy marketing business |  |  | (27,000,000) |  |
Corporate & Other | UGI International | Loss on disposal of UGI International energy marketing business |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Costs associated with exit of the UGI International energy marketing business |  |  | (221,000,000) |  |
Corporate & Other | Midstream & Marketing |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Loss on extinguishment of debt |  |  | 0 | 0 |
Loss associated with impairment of AmeriGas Propane goodwill |  |  | 0 |  |
Corporate & Other | Midstream & Marketing | Revenues |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net gains (losses) on commodity derivative instruments not associated with current-period transactions |  |  | 6,000,000 | (4,000,000) | (15,000,000)
Corporate & Other | Midstream & Marketing | Cost of sales |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net gains (losses) on commodity derivative instruments not associated with current-period transactions |  |  | (236,000,000) | (21,000,000) | 173,000,000
Corporate & Other | Midstream & Marketing | Other operating income, net |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net gains (losses) on commodity derivative instruments not associated with current-period transactions |  |  |  | 0 |
Corporate & Other | Midstream & Marketing | Operating and administrative expenses |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
AmeriGas performance enhancement |  |  | 0 | 0 |
Restructuring costs |  |  |  | (1,000,000) | 0
Impairment of customer relationship intangible |  |  |  |  | 0
Costs associated with exit of the UGI International energy marketing business |  |  |  | 0 |
Corporate & Other | Midstream & Marketing | Other non-operating (expense) income, net |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net gains (losses) on commodity derivative instruments not associated with current-period transactions |  |  | 0 | 0 | 0
Corporate & Other | Midstream & Marketing | Income (loss) from equity investees |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Impairments associated with certain equity method investments |  |  |  | $ (35,000,000) | $ (93,000,000)
Corporate & Other | Midstream & Marketing | Revenues/Operating and administrative expenses |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Costs associated with exit of the UGI International energy marketing business |  |  | 0 |  |
Corporate & Other | Midstream & Marketing | Loss on disposal of UGI International energy marketing business |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Costs associated with exit of the UGI International energy marketing business |  |  | $ 0 |  |

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