Segment Information (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Reconciliation of partnership EBITDA
Depreciation and amortization	$ (91.9)		$ (84.6)		$ (266.3)		$ (227.7)
Loss on extinguishment of debt	0		(0.1)		0		13.3
Operating income	53.1		(19.2)		835.4		549.9
AmeriGas Propane [Member]
Reconciliation of partnership EBITDA
Partnership EBITDA	59.1	[1]	1.8	[1]	550.5	[2]	310.0	[2]
Depreciation and amortization	(52.5)		(49.5)		(150.5)		(118.5)
Loss on extinguishment of debt	0		(0.1)		0		13.3
Noncontrolling interests	0	[3]	(0.6)	[3]	3.9	[3]	1.9	[3]
Operating income	$ 6.6		$ (48.4)		$ 403.9		$ 206.7

[1] The following table provides a reconciliation of Partnership EBITDA to AmeriGas Propane operating income:Three Months Ended June 30, 2013 2012Partnership EBITDA $59.1 1.8Depreciation and amortization (52.5) (49.5)Gain on extinguishments of debt — (0.1)Noncontrolling interests (i) — (0.6)Operating income (loss) $6.6 $(48.4)(i)Principally represents the General Partner’s 1.01% interest in AmeriGas OLP.

[2] The following table provides a reconciliation of Partnership EBITDA to AmeriGas Propane operating income:Nine Months Ended June 30, 2013 2012Partnership EBITDA $550.5 $310.0Depreciation and amortization (150.5) (118.5)Loss on extinguishments of debt — 13.3Noncontrolling interests (i) 3.9 1.9Operating income $403.9 $206.7(i)Principally represents the General Partner’s 1.01% interest in AmeriGas OLP.

[3] Principally represents the General Partner’s 1.01% interest in AmeriGas OLP.