CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (unaudited) - USD ($) $ in Millions	Total	Total UGI stockholders’ equity	Preferred stock, without par value	Common stock, without par value	Retained earnings	Accumulated other comprehensive income (loss)	Treasury stock	Noncontrolling interests
Balance, beginning of period at Sep. 30, 2020			$ 0	$ 1,416	$ 2,908	$ (147)	$ (49)	$ 9
Increase (Decrease) in Stockholders' Equity
Issuance of preferred stock and equity			213	(45)
Other				(2)
Common Stock issued in connection with employee and director plans, net of tax withheld				6
Equity-based compensation expense				13
Losses on common stock transactions in connection with employee and director plans					(11)
Net (loss) income attributable to UGI Corporation	$ 942				942
Cash dividends on UGI Common Stock ($0.36, $0.35, $1.05, and $1.01, respectively)					(210)
Net gains on derivative instruments	4					4
Reclassification of net losses on derivative instruments	14					14
Benefit plans	1					1
Foreign currency adjustments	23					23
Common Stock issued in connection with employee and director plans, net of tax withheld							22
Reacquired UGI Common Stock - employee and director plans							(1)
Net (loss) income including noncontrolling interests	942
Balance, end of period at Jun. 30, 2021	5,106	$ 5,097	213	1,388	3,629	(105)	(28)	9
Balance, beginning of period at Mar. 31, 2021			0	1,428	3,557	(126)	(40)	9
Increase (Decrease) in Stockholders' Equity
Issuance of preferred stock and equity			213	(45)
Other				(2)
Common Stock issued in connection with employee and director plans, net of tax withheld				3
Equity-based compensation expense				4
Losses on common stock transactions in connection with employee and director plans					(6)
Net (loss) income attributable to UGI Corporation	150				150
Cash dividends on UGI Common Stock ($0.36, $0.35, $1.05, and $1.01, respectively)					(72)
Net gains on derivative instruments	0
Reclassification of net losses on derivative instruments	5					5
Benefit plans	0
Foreign currency adjustments	16					16
Common Stock issued in connection with employee and director plans, net of tax withheld							12
Net (loss) income including noncontrolling interests	150
Balance, end of period at Jun. 30, 2021	5,106	5,097	213	1,388	3,629	(105)	(28)	9
Balance, beginning of period at Sep. 30, 2021	5,531		213	1,394	4,081	(140)	(26)	9
Increase (Decrease) in Stockholders' Equity
Beneficial conversion feature			1		(1)
Other			(52)	53				(2)
Common Stock issued in connection with employee and director plans, net of tax withheld				13
Equity-based compensation expense				14
Losses on common stock transactions in connection with employee and director plans					(15)
Net (loss) income attributable to UGI Corporation	829				829
Cash dividends on UGI Common Stock ($0.36, $0.35, $1.05, and $1.01, respectively)					(220)
Net gains on derivative instruments	42					42
Reclassification of net losses on derivative instruments	13					13
Benefit plans	3					3
Foreign currency adjustments	(191)					(191)
Common Stock issued in connection with employee and director plans, net of tax withheld							33
Repurchases of UGI Common Stock							(38)
Reacquired UGI Common Stock - employee and director plans							(10)
Net (loss) income including noncontrolling interests	831							2
Balance, end of period at Jun. 30, 2022	6,005	5,996	162	1,474	4,674	(273)	(41)	9
Balance, beginning of period at Mar. 31, 2022			161	1,465	4,757	(178)	(5)	10
Increase (Decrease) in Stockholders' Equity
Beneficial conversion feature			1		(1)
Other								(1)
Common Stock issued in connection with employee and director plans, net of tax withheld				5
Equity-based compensation expense				4
Net (loss) income attributable to UGI Corporation	(7)				(7)
Cash dividends on UGI Common Stock ($0.36, $0.35, $1.05, and $1.01, respectively)					(75)
Net gains on derivative instruments	8					8
Reclassification of net losses on derivative instruments	3					3
Benefit plans	0
Foreign currency adjustments	(106)					(106)
Common Stock issued in connection with employee and director plans, net of tax withheld							3
Repurchases of UGI Common Stock							(38)
Reacquired UGI Common Stock - employee and director plans							(1)
Net (loss) income including noncontrolling interests	(7)
Balance, end of period at Jun. 30, 2022	$ 6,005	$ 5,996	$ 162	$ 1,474	$ 4,674	$ (273)	$ (41)	$ 9