Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Debt (Details)	9 Months Ended
Debt (Details)	Jun. 30, 2015	Mar. 27, 2015 USD ($)	May. 25, 2011 USD ($)
UGI Utilities 2015 Credit Agreement
Line of Credit Facility
Maximum borrowing capacity		$ 300,000,000
Sublimit for letters of credit		$ 100,000,000
UGI Utilities 2015 Credit Agreement \| Minimum
Line of Credit Facility
Basis spread on variable rate	0.00%
UGI Utilities 2015 Credit Agreement \| Maximum
Line of Credit Facility
Basis spread on variable rate	1.75%
Ratio of consolidated debt to consolidated capital	0.65
UGI Utilities 2011 Credit Agreement
Line of Credit Facility
Maximum borrowing capacity			$ 300,000,000