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Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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Percentage of fair value of reporting unit in excess of carrying amount.

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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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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Summary of Significant Accounting Policies - Narrative (Details) $ / shares in Units, $ in Millions	1 Months Ended		12 Months Ended
	May 31, 2024 shares	May 31, 2021 USD ($) $ / shares shares	Sep. 30, 2024 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)
Schedule of Equity Method Investments [Line Items]
Goodwill			$ 2,871	$ 2,888	$ 3,030
UGI International
Schedule of Equity Method Investments [Line Items]
Percentage of fair value exceeding carrying value			30.00%
AmeriGas Propane
Schedule of Equity Method Investments [Line Items]
Impairment of goodwill			$ 195
Goodwill				1,100
UGI International
Schedule of Equity Method Investments [Line Items]
Goodwill				$ 965
Capital Units \| Preferred stock, without par value
Schedule of Equity Method Investments [Line Items]
Units and shares sold (in shares) \| shares		2,200,000
Notional value		$ 220
Stated value (in USD per share) \| $ / shares		$ 100
Undivided beneficial ownership interest		10.00%
Liquidation preference (in USD per share) \| $ / shares		$ 1,000
Capital Units \| Common Stock
Schedule of Equity Method Investments [Line Items]
Equity unit received by each holder (in shares)	2.2973
Converted equity units (in shares) \| shares	5,054,030