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Debt - UGI Utilities (Details) - USD ($) |  | 1 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 31, 2017 | Oct. 31, 2017 | Sep. 30, 2018 | Aug. 31, 2018 | Sep. 30, 2017 | Oct. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016
UGI Utilities |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Total capacity |  |  | $ 450,000,000 |  | $ 300,000,000 |  |  |
UGI Utilities | Term Loan |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Aggregate principal amount | $ 125,000,000 | $ 125,000,000 |  |  |  |  |  |
Principal repayment in equal quarterly installments |  | $ 1,600,000 |  |  |  |  |  |
UGI Utilities | Term Loan | Minimum |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Basis spread on variable rate (percentage) |  | 0.00% |  |  |  |  |  |
UGI Utilities | Term Loan | Maximum |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Basis spread on variable rate (percentage) | 3.00% | 1.875% |  |  |  |  |  |
Derivative, fixed interest rate | 3.00% | 3.00% |  |  |  |  |  |
UGI Utilities | Senior Notes | 2.95%, due June 2026 |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Aggregate principal amount |  |  |  |  |  |  |  | $ 100,000,000
Stated interest rate |  |  | 2.95% |  |  |  |  | 2.95%
UGI Utilities | Senior Notes | 4.12%, due September 2046 |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Aggregate principal amount |  |  |  |  |  |  | $ 200,000,000 |
Stated interest rate |  |  | 4.12% |  |  |  | 4.12% |
UGI Utilities | Senior Notes | 4.12%, due October 2046 |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Aggregate principal amount |  |  |  |  |  | $ 100,000,000 |  |
Stated interest rate |  |  | 4.12% |  |  | 4.12% |  |
UGI Utilities | Senior Notes | 5.75% Senior Notes, due 2016 |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  | 5.75% |  |
UGI Utilities | Medium-term Notes | 7.37% Medium-term Notes, due October 2015 |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  | 7.37% |  |
UGI Utilities | Medium-term Notes | 5.64% Medium-term Notes, due December 2015 |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  | 5.64% |  |
Revolving Credit Facility | Line of Credit | UGI Utilities Credit Agreement |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Total capacity |  |  | $ 300,000,000 | $ 450,000,000 |  |  |  |

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