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, 2023			$ 167	$ 1,503	$ 3,027	$ (256)	$ (55)	$ 8
Increase (Decrease) in Stockholders' Equity
Equity-based compensation (income) expense				(2)
Net income attributable to UGI Corporation	$ 94				94
Cash dividends on UGI Common Stock ($0.375 and $0.375, respectively)					(79)
Net gains (losses) on derivative instruments	(15)					(15)
Reclassification of net (gains) losses on derivative instruments	(10)					(10)
Benefit plans	0
Foreign currency adjustments	49					49
Other								1
Balance, end of period at Dec. 31, 2023	4,432	$ 4,423	167	1,501	3,042	(232)	(55)	9
Balance, beginning of period at Sep. 30, 2024	4,354		0	1,676	2,978	(253)	(56)	9
Increase (Decrease) in Stockholders' Equity
Equity-based compensation (income) expense				3
Net income attributable to UGI Corporation	375				375
Cash dividends on UGI Common Stock ($0.375 and $0.375, respectively)					(81)
Net gains (losses) on derivative instruments	15					15
Reclassification of net (gains) losses on derivative instruments	(2)					(2)
Benefit plans	(1)					(1)
Foreign currency adjustments	(72)					(72)
Repurchases of UGI Common Stock							(2)
Other								(1)
Balance, end of period at Dec. 31, 2024	$ 4,588	$ 4,580	$ 0	$ 1,679	$ 3,272	$ (313)	$ (58)	$ 8