Nature of Operations (Details)	Sep. 30, 2011
Nature of Operations (Textual) [Abstract]
General Partner held a general partner interest in AmeriGas Partners	1.00%
Percentage of our limited partnership interest in AmeriGas Partners	42.80%
Effective Ownership interest in AmeriGas OLP	44.40%
Limited partnership Common Units Held in AmeriGas Partners	24,691,209
General public as limited partner interests in AmeriGas Partners	56.20%
Common Units Owned by Public	32,433,087