Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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-Section 50
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
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-Subparagraph (b)(3)
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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Debt - Schedule of Long-term Debt (Details) € in Millions, $ in Millions	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2018 EUR (€)	Dec. 31, 2017 USD ($)
Debt Instrument
Total long-term debt	$ 5,804.0	$ 4,165.3
Less: current maturities	(24.1)	(18.8)
Total long-term debt due after one year	5,779.9	4,146.5
AmeriGas Propane
Debt Instrument
Unamortized debt issuance costs	(23.7)	(27.5)
Total long-term debt	2,564.6	2,569.6
AmeriGas Propane \| Other
Debt Instrument
Long-term debt, gross	$ 9.5	14.6
AmeriGas Propane \| Senior Notes \| 5.50% due May 2025
Debt Instrument
Stated interest rate	5.50%
Long-term debt, gross	$ 700.0	700.0
AmeriGas Propane \| Senior Notes \| 5.875% due August 2026
Debt Instrument
Stated interest rate	5.875%
Long-term debt, gross	$ 675.0	675.0
AmeriGas Propane \| Senior Notes \| 5.625% due May 2024
Debt Instrument
Stated interest rate	5.625%
Long-term debt, gross	$ 675.0	675.0
AmeriGas Propane \| Senior Notes \| 5.75% due May 2027
Debt Instrument
Stated interest rate	5.75%
Long-term debt, gross	$ 525.0	525.0
AmeriGas Propane \| Senior Secured Notes \| Heritage Operating, L.P. Senior Secured Notes
Debt Instrument
Long-term debt, gross	3.8	7.5
UGI International
Debt Instrument
Unamortized debt issuance costs	(8.3)	(2.5)
Total long-term debt	$ 719.5	748.5
UGI International \| Senior Notes \| 3.25% Senior Notes due November 2025
Debt Instrument
Stated interest rate	3.25%
Long-term debt, gross	$ 381.5	0.0
UGI International \| Term Loan \| Variable-rate term loan
Debt Instrument
Long-term debt, gross	327.0	0.0
UGI France
Debt Instrument
Total long-term debt \| €			€ 60
UGI France \| Term Loan \| UGI France Senior Facilities term loan
Debt Instrument
Long-term debt, gross	0.0	627.0
Flaga \| Other \| Other
Debt Instrument
Long-term debt, gross	19.3	20.9
Flaga \| Term Loan \| Flaga variable-rate term loan
Debt Instrument
Long-term debt, gross	0.0	53.2
Flaga \| Term Loan \| Flaga U.S. dollar variable-rate term loan
Debt Instrument
Long-term debt, gross	0.0	49.9		$ 59.1
Midstream & Marketing:
Debt Instrument
Unamortized debt issuance costs	(12.0)	0.0
Total long-term debt	686.6	0.4
Midstream & Marketing: \| Other \| Other
Debt Instrument
Long-term debt, gross	0.3	0.4
Midstream & Marketing: \| Term Loan \| Variable-rate term loan
Debt Instrument
Long-term debt, gross	698.3	0.0
UGI Utilities
Debt Instrument
Unamortized debt issuance costs	(4.6)	(4.1)
Total long-term debt	$ 979.2	838.0
UGI Utilities \| Senior Notes \| 4.12%, due September 2046
Debt Instrument
Stated interest rate	4.12%
Long-term debt, gross	$ 200.0	200.0
UGI Utilities \| Senior Notes \| 4.98%, due March 2044
Debt Instrument
Stated interest rate	4.98%
Long-term debt, gross	$ 175.0	175.0
UGI Utilities \| Senior Notes \| 4.55%, due February 2049
Debt Instrument
Stated interest rate	4.55%
Long-term debt, gross	$ 150.0	0.0
UGI Utilities \| Senior Notes \| 4.12%, due October 2046
Debt Instrument
Stated interest rate	4.12%
Long-term debt, gross	$ 100.0	100.0
UGI Utilities \| Senior Notes \| 6.21%, due September 2036
Debt Instrument
Stated interest rate	6.21%
Long-term debt, gross	$ 100.0	100.0
UGI Utilities \| Senior Notes \| 2.95%, due June 2026
Debt Instrument
Stated interest rate	2.95%
Long-term debt, gross	$ 100.0	100.0
UGI Utilities \| Other \| Other
Debt Instrument
Long-term debt, gross	4.7	6.8
UGI Utilities \| Term Loan \| Variable-rate term loan
Debt Instrument
Long-term debt, gross	$ 114.1	120.3
UGI Utilities \| Medium-term Notes \| 6.13%, due October 2034
Debt Instrument
Stated interest rate	6.13%
Long-term debt, gross	$ 20.0	20.0
UGI Utilities \| Medium-term Notes \| 6.50%, due August 2033
Debt Instrument
Stated interest rate	6.50%
Long-term debt, gross	$ 20.0	20.0
UGI Coporation
Debt Instrument
Unamortized debt issuance costs	(4.0)	0.0
Total long-term debt	846.0	0.0
UGI Coporation \| Term Loan \| 3-year Term loan
Debt Instrument
Long-term debt, gross	300.0	0.0
UGI Coporation \| Term Loan \| 5-year Term Loan
Debt Instrument
Long-term debt, gross	250.0	0.0
UGI Coporation \| Line of Credit
Debt Instrument
Long-term debt, gross	300.0	0.0
Other
Debt Instrument
Total long-term debt	$ 8.1	$ 8.8