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v3.22.2.2

Partnership Distributions (Details) | 12 Months Ended
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Sep. 30, 2022
Distributions Made to Members or Limited Partners [Abstract] |
Partnership distributions to partners (days following quarter end) | 45 days

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- Definition Partners' Capital, Distributions To Partners Day Range + References No definition available. + Details
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Namespace Prefix: | ugi_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration