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, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Income Statement [Abstract]
Revenues	$ 3,163.3	$ 2,542.7	$ 5,479.2	$ 4,561.4
Costs and expenses:
Cost of sales (excluding depreciation shown below)	2,001.3	1,486.7	3,431.2	2,702.2
Operating and administrative expenses	492.0	461.5	923.5	888.4
Utility taxes other than income taxes	4.8	4.7	9.0	9.0
Depreciation	76.8	74.0	155.4	146.5
Amortization	10.9	15.6	26.3	30.9
Other income, net	(11.1)	(7.5)	(18.5)	(17.5)
Total costs and expenses	2,574.7	2,035.0	4,526.9	3,759.5
Operating income	588.6	507.7	952.3	801.9
Income from equity investees	0	0.1	0	0.1
Interest expense	(59.5)	(60.1)	(118.8)	(121.6)
Income before income taxes	529.1	447.7	833.5	680.4
Income tax expense	(141.3)	(106.0)	(228.2)	(170.9)
Net income	387.8	341.7	605.3	509.5
Deduct net income attributable to noncontrolling interests, principally in AmeriGas Partners	(173.4)	(161.0)	(268.9)	(226.3)
Net income attributable to UGI Corporation	$ 214.4	$ 180.7	$ 336.4	$ 283.2
Earnings per common share attributable to UGI Corporation stockholders:
Basic (in dollars per share)	$ 1.86	$ 1.59	$ 2.93	$ 2.50
Diluted (in dollars per share)	$ 1.84	$ 1.57	$ 2.89	$ 2.47
Average common shares outstanding (thousands):
Basic (in shares)	115,173	113,709	114,996	113,416
Diluted (in shares)	116,747	115,199	116,526	114,829
Dividends declared per common share (in dollars per share)	$ 0.2825	$ 0.27	$ 0.5650	$ 0.54