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Debt - Schedule of Short-term Debt (Details) | Sep. 30, 2020 USD ($) | Sep. 30, 2020 EUR (€) | Sep. 30, 2019 USD ($) | Sep. 30, 2019 EUR (€)
--- | --- | --- | --- | ---
Short-term Debt [Line Items] |  |  |  |
Weighted Average Interest Rate - End of Year |  |  | 6.25% | 6.25%
AmeriGas OLP |  |  |  |
Short-term Debt [Line Items] |  |  |  |
Total Capacity | $ 600,000,000 |  | $ 600,000,000 |
Borrowings Outstanding | 186,000,000 |  | 328,000,000 |
Letters of Credit and Guarantees Outstanding | $ 62,000,000 |  | $ 63,000,000 |
Available Borrowing Capacity | € |  | € 352,000,000 |  | € 209,000,000
Weighted Average Interest Rate - End of Year | 2.61% | 2.61% | 4.50% | 4.50%
UGI International LLC |  |  |  |
Short-term Debt [Line Items] |  |  |  |
Total Capacity | € |  | € 300,000,000 |  | € 300,000,000
Borrowings Outstanding |  | 0 | $ 210,000,000 | 193,000,000
Letters of Credit and Guarantees Outstanding | € |  | 0 |  | 0
Available Borrowing Capacity | € |  | 300,000,000 |  | € 107,000,000
Weighted Average Interest Rate - End of Year |  |  | 3.64% | 3.64%
Energy Services |  |  |  |
Short-term Debt [Line Items] |  |  |  |
Total Capacity | $ 260,000,000 |  | $ 200,000,000 |
Borrowings Outstanding | 0 |  | 45,000,000 |
Letters of Credit and Guarantees Outstanding | 0 |  | 0 |
Available Borrowing Capacity | € |  | 260,000,000 |  | € 155,000,000
UGI Utilities |  |  |  |
Short-term Debt [Line Items] |  |  |  |
Total Capacity | 350,000,000 |  | 350,000,000 |
Borrowings Outstanding | 141,000,000 |  | 166,000,000 |
Letters of Credit and Guarantees Outstanding | $ 0 |  | $ 0 |
Available Borrowing Capacity | € |  | € 209,000,000 |  | € 184,000,000
Weighted Average Interest Rate - End of Year | 1.12% | 1.12% | 3.00% | 3.00%
UGI Corporation |  |  |  |
Short-term Debt [Line Items] |  |  |  |
Total Capacity | $ 300,000,000 |  | $ 300,000,000 |
Borrowings Outstanding | 300,000,000 |  | 300,000,000 |
Letters of Credit and Guarantees Outstanding | $ 0 |  | $ 0 |
Available Borrowing Capacity | € |  | € 0 |  | € 0
Weighted Average Interest Rate - End of Year | 2.41% | 2.41% | 4.55% | 4.55%

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