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- Definition

Loss Contingency, Remediation Plans, Number Of Decisions

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- Definition

Number Of Fatalities

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Number Of Injuries

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- Definition

Number of Subsidiaries Acquired

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- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

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Amount, before recovery, of expense for known and estimated future costs arising from requirement to perform environmental remediation.

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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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Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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Commitments and Contingencies (Details)	12 Months Ended
Commitments and Contingencies (Details)	Sep. 30, 2024 USD ($) subsidiary	Dec. 31, 2017 USD ($) record_of_decision	Sep. 30, 2023 USD ($)	Mar. 24, 2023 person
Loss Contingencies
Environmental expenditures cap during calendar year	$ 5,000,000
West Reading, Pennsylvania Explosion
Loss Contingencies
Number of fatalities \| person				7
Number of injuries \| person				11
MGP sites in Pennsylvania
Loss Contingencies
Accrual for environmental loss contingencies	$ 54,000,000		$ 52,000,000
UGI Utilities, Inc.
Loss Contingencies
Number of subsidiaries acquired with similar histories \| subsidiary	2
AmeriGas OLP \| Saranac Lake, New York \| NYDEC ROD
Loss Contingencies
Loss contingency, number of remediation plans \| record_of_decision		3
Estimated remediation plan cost		$ 28,000,000
AmeriGas OLP \| Saranac Lake, New York \| New York State Department of Environment Conservation Remediation Plan
Loss Contingencies
Accrual for environmental loss contingencies	$ 8,000,000		$ 8,000,000
Environmental Remediation Expense, before Recovery	19,000,000
UGI International
Loss Contingencies
Severance costs	$ 50,000,000