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Debt (Details) - Line of Credit		1 Months Ended
	Oct. 20, 2022 USD ($)	Oct. 31, 2018 EUR (€)	Dec. 31, 2022 EUR (€)	Dec. 31, 2022 USD ($)	Dec. 13, 2022 USD ($)
UGI International Credit Facilities Agreement | Unsecured Debt
Debt Instrument [Line Items]
Debt term		5 years
Maximum borrowing capacity | €		€ 300,000,000
Line of Credit, Current			€ 300,000,000	$ 321,000,000
UGI Utilities Credit Agreement | Utilities | Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity					$ 425,000,000
UGI Utilities Credit Agreement | Utilities | Revolving Credit Facility | SOFR
Debt Instrument [Line Items]
Basis spread on variable rate	0.10%
Mountaineer Credit Agreement | Mountaineer | Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 150,000,000
Option to increase capacity	$ 250,000,000
Mountaineer Credit Agreement | Mountaineer | Revolving Credit Facility | SOFR
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Mountaineer Credit Agreement | Mountaineer | Revolving Credit Facility | SOFR | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Mountaineer Credit Agreement | Mountaineer | Revolving Credit Facility | SOFR | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	2.25%
Mountaineer Credit Agreement | Mountaineer | Revolving Credit Facility | Federal Funds Rate
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
Mountaineer Credit Agreement | Mountaineer | Revolving Credit Facility | Base Rate Margin | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	0.00%
Mountaineer Credit Agreement | Mountaineer | Revolving Credit Facility | Base Rate Margin | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	1.25%
Mountaineer Credit Agreement | Mountaineer | Revolving Credit Facility | One-Month Interest Period (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate	0.10%
Mountaineer Credit Agreement | Mountaineer | Revolving Credit Facility | Three-Month Interest Period (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate	0.15%
Mountaineer Credit Agreement | Mountaineer | Revolving Credit Facility | Six-Month Interest Period (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate	0.25%
Mountaineer Credit Agreement | Mountaineer | Letters of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 20,000,000

X

- Definition

Line of Credit Facility, Accordion Feature, Higher Borrowing Capacity Option

+ References

No definition available.

+ Details

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X

- 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

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

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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X

- 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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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X

- Definition

The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(13))
-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878

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