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PUC Termporary Rates Order, Percent Of Reduction In Base Revenues

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Public Utilities, Civil Penalties

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Public Utilities, Proposed Negative Surcharge In Customer Distribution Service Bills

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Public Utilities, Tax Benefits Received To Be Returned

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Tax Cuts And Jobs Act Of 2017, Customer Billing Credit

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

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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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13495-108611

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Amount of public utility's approved rate increase (decrease) by regulatory agency.

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

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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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Regulatory Assets and Liabilities and Regulatory Matters - Narrative (Details) - USD ($) $ in Thousands											1 Months Ended	6 Months Ended
	Jan. 28, 2019	Oct. 27, 2018	Oct. 25, 2018	Jun. 30, 2018	May 17, 2018	Jan. 26, 2018	Jul. 02, 2017	Jul. 01, 2017	Jan. 19, 2017	Apr. 01, 2016	Mar. 31, 2016	Jun. 30, 2018	Dec. 31, 2018	Sep. 30, 2018	Dec. 31, 2017
Regulatory Assets
Proposed negative surcharge in customer distribution service bills, percentage				4.50%								4.50%
Public Utilities, Tax Benefits Received												$ 26,249
Public utilities, civil penalties							$ 2,100
UGI South
Regulatory Assets
PUC termporary rates order, percent of reduction in base revenues					5.78%
UGI North
Regulatory Assets
PUC termporary rates order, percent of reduction in base revenues					3.90%
UGI Central
Regulatory Assets
PUC termporary rates order, percent of reduction in base revenues					8.19%
UGI Utilities
Regulatory Assets
Public utilities, civil penalties							$ 2,100
Pennsylvania Public Utilities Commission
Regulatory Assets
Requested operating revenue increase						$ 9,200
Pennsylvania Public Utilities Commission \| UGI Gas
Regulatory Assets
Public Utilities, Tax Benefits Received												$ 26,249
Pennsylvania Public Utilities Commission \| UGI Gas \| Subsequent Event
Regulatory Assets
Proposed negative surcharge in customer distribution service bills, percentage	4.50%
Pennsylvania PUC \| UGI Gas \| Subsequent Event
Regulatory Assets
Requested operating revenue increase	$ 71,090
Pennsylvania PUC \| CPG
Regulatory Assets
Distribution system improvement charge, percent of amount billed to customers								7.50%
Pennsylvania PUC \| CPG \| Maximum
Regulatory Assets
Distribution system improvement charge, percent of amount billed to customers										0.00%	10.00%
Pennsylvania PUC \| Electric Utilities
Regulatory Assets
Requested operating revenue increase			$ 3,201	$ 7,700					$ 21,700
Tax Cuts And Jobs Act Of 2017, Customer Billing Credit		$ 210
Increase in annual base distribution rate		$ 11,250
Gas Utility
Regulatory Assets
Fair value of unrealized gains (losses)													$ 837	$ 2,856	$ (1,720)