Debt (Details 1) (USD $) In Millions	Sep. 30, 2011
Principal Repayment of long-term debt
2012	$ 47.4
2013	139.9
2014	56.6
2015	69.0
2016	714.6
AmeriGas Propane [Member]
Principal Repayment of long-term debt
2012	4.8
2013	3.1
2014	2.4
2015	2.0
2016	1.1
UGI Utilities [Member]
Principal Repayment of long-term debt
2012	40.0
2013	133.0
2015	20.0
2016	247.0
International Propane [Member]
Principal Repayment of long-term debt
2012	2.1
2013	3.2
2014	53.7
2015	46.5
2016	465.9
Other Long Term Debt [Member]
Principal Repayment of long-term debt
2012	0.5
2013	0.6
2014	0.5
2015	0.5
2016	$ 0.6

Amount of long-term debt maturing within the next twelve months following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 47

-Paragraph 10

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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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Amount of long-term debt maturing in year five following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates.

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Amount of long-term debt maturing in year three following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates.

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Amount of long-term debt maturing in year two following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates.

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