CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (unaudited) - USD ($) $ in Millions	Total	Total UGI stockholders’ equity	Preferred stock, without par value	Preferred stock, without par value Cumulative effect of change in accounting - ASU 2020-06 (Note 3)	Common stock, without par value	Common stock, without par value Cumulative effect of change in accounting - ASU 2020-06 (Note 3)	Retained earnings	Retained earnings Cumulative effect of change in accounting - ASU 2020-06 (Note 3)	Accumulated other comprehensive income (loss)	Treasury stock	Noncontrolling interests
Balance, beginning of period at Sep. 30, 2021			$ 213	$ 5	$ 1,394	$ (6)	$ 4,081	$ 1	$ (140)	$ (26)	$ 9
Increase (Decrease) in Stockholders' Equity
Common Stock issued in connection with employee and director plans, net of tax withheld					5
Equity-based compensation expense					3
Other			1
Losses on common stock transactions in connection with employee and director plans							(4)
Net loss attributable to UGI Corporation	$ (97)						(97)
Cash dividends on UGI Common Stock ($0.36 and $0.35, respectively)							(72)
Net gains on derivative instruments	10								10
Reclassification of net (gains) losses on derivative instruments	4								4
Benefit plans	2								2
Foreign currency adjustments	(32)								(32)
Common Stock issued in connection with employee and director plans, net of tax withheld										7
Net loss including noncontrolling interests	(96)										1
Balance, end of period at Dec. 31, 2021	5,359	$ 5,349	214		1,402		3,908		(156)	(19)	10
Balance, beginning of period at Sep. 30, 2022	6,074		162	$ 6	1,483		4,841	$ 1	(380)	(40)	8
Increase (Decrease) in Stockholders' Equity
Common Stock issued in connection with employee and director plans, net of tax withheld					2
Equity-based compensation expense					3
Losses on common stock transactions in connection with employee and director plans							(4)
Net loss attributable to UGI Corporation	(954)						(954)
Cash dividends on UGI Common Stock ($0.36 and $0.35, respectively)							(76)
Net gains on derivative instruments	3								3
Reclassification of net (gains) losses on derivative instruments	(5)								(5)
Benefit plans	0
Foreign currency adjustments	151								151
Common Stock issued in connection with employee and director plans, net of tax withheld										6
Repurchases of UGI Common Stock										(12)
Net loss including noncontrolling interests	(954)
Balance, end of period at Dec. 31, 2022	$ 5,188	$ 5,180	$ 167		$ 1,482		$ 3,808		$ (231)	$ (46)	$ 8