Nature of Operations (Details) $ in Millions	3 Months Ended
	Dec. 31, 2015 USD ($) county	Dec. 31, 2014 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
General Partner held a general partner interest in AmeriGas Partners	1.00%
Percentage of limited partnership interest in AmeriGas Partners	25.30%
Effective ownership interest in AmeriGas OLP	27.10%
General public as limited partner interests in AmeriGas Partners	73.70%
General Partner incentive distribution | $	$ 8.6	$ 6.5
Number of counties of operation | county	1