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Utility Regulatory Assets and Liabilities and Regulatory Matters (Details) - USD ($) $ in Millions	Jan. 19, 2016	Dec. 31, 2015	Sep. 30, 2015	Dec. 31, 2014
Gas Utility
Regulatory Assets
Fair value of unrealized gains (losses)		$ (4.5)	$ (3.3)	$ (6.8)
Electric Utility Electric Supply Contracts
Regulatory Assets
Fair value of unrealized gains (losses)		$ (0.5)	$ (0.5)	$ (2.4)
UGI Utilities | Pennsylvania Public Utility Commission | Subsequent Event
Regulatory Assets
Requested operating revenue increase	$ 58.6
Estimated time period for regulatory approval (in months)	9 months

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Public Utilities, Requested Operating Revenue Increase, Estimated Time Period For Regulatory Approval

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Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958

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-Name Accounting Standards Codification
-Topic 815
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
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-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13495-108611

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Amount of public utility's requested rate increase (decrease) with regulatory agency.

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