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v3.20.2

Debt - Schedule of Long-term Debt (Details) - USD ($) $ in Millions | Sep. 30, 2020 | Sep. 30, 2019
--- | --- | ---
Debt Instrument [Line Items] |  |
Total long-term debt | $ 6,034 | $ 5,804
Less: current maturities | (53) | (24)
Total long-term debt due after one year | 5,981 | 5,780
AmeriGas Propane |  |
Debt Instrument [Line Items] |  |
Unamortized debt issuance costs | (20) | (24)
Total long-term debt | 2,560 | 2,565
AmeriGas Propane | Other |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | $ 5 | 14
AmeriGas Propane | Senior Notes | 5.50% due May 2025 |  |
Debt Instrument [Line Items] |  |
Stated interest rate (as a percentage) | 5.50% |
Long-term debt, gross | $ 700 | 700
AmeriGas Propane | Senior Notes | 5.875% due August 2026 |  |
Debt Instrument [Line Items] |  |
Stated interest rate (as a percentage) | 5.875% |
Long-term debt, gross | $ 675 | 675
AmeriGas Propane | Senior Notes | 5.625% due May 2024 |  |
Debt Instrument [Line Items] |  |
Stated interest rate (as a percentage) | 5.625% |
Long-term debt, gross | $ 675 | 675
AmeriGas Propane | Senior Notes | 5.75% due May 2027 |  |
Debt Instrument [Line Items] |  |
Stated interest rate (as a percentage) | 5.75% |
Long-term debt, gross | $ 525 | 525
UGI International |  |
Debt Instrument [Line Items] |  |
Unamortized debt issuance costs | (7) | (8)
Total long-term debt | $ 778 | 719
UGI International | Senior Notes | 3.25% Senior Notes due November 2025 |  |
Debt Instrument [Line Items] |  |
Stated interest rate (as a percentage) | 3.25% |
Long-term debt, gross | $ 410 | 382
UGI International | Term Loan | Variable-rate term loan |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | 352 | 327
Other |  |
Debt Instrument [Line Items] |  |
Total long-term debt | 8 | 8
Other | Other | Other |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | 23 | 18
Midstream & Marketing: |  |
Debt Instrument [Line Items] |  |
Unamortized debt issuance costs | (12) | (12)
Total long-term debt | 720 | 687
Midstream & Marketing: | Other | Other |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | 41 | 1
Midstream & Marketing: | Term Loan | Variable-rate term loan |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | 691 | 698
UGI Utilities |  |
Debt Instrument [Line Items] |  |
Unamortized debt issuance costs | (5) | (5)
Total long-term debt | $ 1,121 | 979
UGI Utilities | Senior Notes | 4.12%, due September 2046 |  |
Debt Instrument [Line Items] |  |
Stated interest rate (as a percentage) | 4.12% |
Long-term debt, gross | $ 200 | 200
UGI Utilities | Senior Notes | 4.98%, due March 2044 |  |
Debt Instrument [Line Items] |  |
Stated interest rate (as a percentage) | 4.98% |
Long-term debt, gross | $ 175 | 175
UGI Utilities | Senior Notes | 3.12% due April 2050 |  |
Debt Instrument [Line Items] |  |
Stated interest rate (as a percentage) | 3.12% |
Long-term debt, gross | $ 150 | 0
UGI Utilities | Senior Notes | 4.55%, due February 2049 |  |
Debt Instrument [Line Items] |  |
Stated interest rate (as a percentage) | 4.55% |
Long-term debt, gross | $ 150 | 150
UGI Utilities | Senior Notes | 4.12%, due October 2046 |  |
Debt Instrument [Line Items] |  |
Stated interest rate (as a percentage) | 4.12% |
Long-term debt, gross | $ 100 | 100
UGI Utilities | Senior Notes | 6.21%, due September 2036 |  |
Debt Instrument [Line Items] |  |
Stated interest rate (as a percentage) | 6.21% |
Long-term debt, gross | $ 100 | 100
UGI Utilities | Senior Notes | 2.95%, due June 2026 |  |
Debt Instrument [Line Items] |  |
Stated interest rate (as a percentage) | 2.95% |
Long-term debt, gross | $ 100 | 100
UGI Utilities | Other | Other |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | 3 | 5
UGI Utilities | Term Loan | Variable-rate term loan |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | $ 108 | 114
UGI Utilities | Medium-term Notes | 6.13%, due October 2034 |  |
Debt Instrument [Line Items] |  |
Stated interest rate (as a percentage) | 6.13% |
Long-term debt, gross | $ 20 | 20
UGI Utilities | Medium-term Notes | 6.50%, due August 2033 |  |
Debt Instrument [Line Items] |  |
Stated interest rate (as a percentage) | 6.50% |
Long-term debt, gross | $ 20 | 20
UGI Coporation |  |
Debt Instrument [Line Items] |  |
Unamortized debt issuance costs | (3) | (4)
Total long-term debt | 847 | 846
UGI Coporation | Term Loan | 3-year Term loan |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | 300 | 300
UGI Coporation | Term Loan | 5-year Term Loan |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | 250 | 250
UGI Coporation | Line of Credit |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | $ 300 | $ 300

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