Condensed Consolidated Statements of Income (unaudited) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Income Statement [Abstract]
Revenues	$ 2,455.6	$ 3,163.3	$ 4,460.2	$ 5,479.2
Costs and expenses:
Cost of sales (excluding depreciation shown below)	1,205.4	2,001.3	2,610.0	3,431.2
Operating and administrative expenses	466.6	492.0	902.3	923.5
Utility taxes other than income taxes	4.8	4.8	8.9	9.0
Depreciation	73.8	76.8	149.6	155.4
Amortization	14.2	10.9	29.4	26.3
Other operating income, net	(11.3)	(11.1)	(25.4)	(18.5)
Total costs and expenses	1,753.5	2,574.7	3,674.8	4,526.9
Operating income	702.1	588.6	785.4	952.3
Loss from equity investees	(0.1)	0	(1.1)	0
Interest expense	(58.2)	(59.5)	(117.2)	(118.8)
Income before income taxes	643.8	529.1	667.1	833.5
Income tax expense	(161.6)	(141.3)	(184.7)	(228.2)
Net income	482.2	387.8	482.4	605.3
Deduct net income attributable to noncontrolling interests, principally in AmeriGas Partners	(235.7)	(173.4)	(201.8)	(268.9)
Net income attributable to UGI Corporation	$ 246.5	$ 214.4	$ 280.6	$ 336.4
Earnings per common share attributable to UGI Corporation stockholders:
Basic (in dollars per share)	$ 1.42	$ 1.24	$ 1.62	$ 1.95
Diluted (in dollars per share)	$ 1.40	$ 1.22	$ 1.60	$ 1.92
Average common shares outstanding (thousands):
Basic (in shares)	173,154	172,760	173,055	172,494
Diluted (in shares)	175,628	175,121	175,715	174,789
Dividends declared per common share (in dollars per share)	$ 0.2175	$ 0.1883	$ 0.4350	$ 0.3767