Debt Instrument, Covenant Terms, Maximum Consolidated Debt to Consolidated Total Capital Ratio

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

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- Definition

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

+ References

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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.

+ References

No definition available.

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- Definition

Amount of the required periodic payments applied to principal.

+ References

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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- Definition

The effective interest rate at the end of the reporting period.

+ References

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04.(a))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04.(a))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of borrowings from a bank classified as other, maturing within one year or operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Debt - Additional Information (Details)		12 Months Ended
Debt - Additional Information (Details)	Oct. 31, 2017 USD ($)	Sep. 30, 2018 USD ($)	Oct. 31, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Aug. 31, 2018 USD ($)	Sep. 30, 2017 USD ($)	Oct. 31, 2016 USD ($)
Debt Instrument
Due in Fiscal 2021		$ 0
Due in Fiscal 2022		0
Due in Fiscal 2023		0
Short-term borrowings		189,500,000							$ 170,000,000
Subsequent Event
Debt Instrument
Due in Fiscal 2019							$ 9,001,000
Due in Fiscal 2020			$ 95,313,000	$ 6,751,000	$ 7,841,000	$ 8,225,000
UGI Utilities 2015 Credit Agreement
Debt Instrument
Short-term borrowings		$ 189,500,000							$ 170,000,000
Weighted average interest rate at period end		3.03%							2.11%
UGI Utilities 2015 Credit Agreement \| Letter of Credit
Debt Instrument
Credit agreement		$ 100,000,000
UGI Utilities 2015 Credit Agreement \| Line of Credit
Debt Instrument
Credit agreement		450,000,000
Issued and outstanding letters of credit		$ 2,000,000							$ 2,009,000
UGI Utilities 2015 Credit Agreement \| Minimum \| Line of Credit
Debt Instrument
Margin on term loan base rate borrowings (as a percent)		0.00%
UGI Utilities 2015 Credit Agreement \| Maximum \| Line of Credit
Debt Instrument
Margin on term loan base rate borrowings (as a percent)		1.75%
Senior Notes
Debt Instrument
Debt to capital ratio		0.65
Senior Notes \| Senior Notes due June 2026
Debt Instrument
Aggregate principal amount		$ 100,000,000
Interest rate		2.95%
Senior Notes \| 4.12% Senior Notes, due September 2046
Debt Instrument
Aggregate principal amount		$ 200,000,000
Interest rate		4.12%
Senior Notes \| 4.12%, due October 2046
Debt Instrument
Aggregate principal amount										$ 100,000,000
Interest rate		4.12%								4.12%
Senior Notes \| Senior Notes Due September 2016
Debt Instrument
Interest rate										5.75%
Medium-term Notes \| Medium-term Notes Due October 2015
Debt Instrument
Interest rate										7.37%
Medium-term Notes \| Medium-term Notes Due December 2015
Debt Instrument
Interest rate										5.64%
Unsecured Debt
Debt Instrument
Aggregate principal amount	$ 125,000,000
Principal repayment in equal quarterly installments	$ 1,563,000
Margin on term loan base rate borrowings (as a percent)	3.00%
Unsecured Debt \| Minimum
Debt Instrument
Margin on term loan base rate borrowings (as a percent)	0.00%
Unsecured Debt \| Maximum
Debt Instrument
Margin on term loan base rate borrowings (as a percent)	1.875%
Line of Credit \| Revolving Credit Facility
Debt Instrument
Credit agreement		$ 450,000,000						$ 300,000,000
One - Month LIBOR Rate \| Cross Currency Interest Rate Contract \| Term Loan \| Flaga Term Loan Due September Twenty Eighteen
Debt Instrument
Debt instrument, interest rate, effective percentage		2.76%