CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss) including noncontrolling interests	$ 94	$ (954)
Adjustments to reconcile net income (loss) including noncontrolling interests to net cash provided (used) by operating activities:
Depreciation and amortization	137	131
Deferred income tax benefit, net	(22)	(356)
Provision for uncollectible accounts	16	13
Changes in unrealized gains and losses on derivative instruments	141	1,402
Loss on disposal of UGI International energy marketing business	28	215
Impairment of assets	0	19
Income from equity investees	(1)	(1)
Amortization of Energy Services interest rate swap settlement	(6)	0
Other, net	(11)	22
Net change in:
Accounts receivable and accrued utility revenues	(393)	(569)
Income taxes receivable	0	77
Inventories	2	67
Utility deferred fuel and power costs, net of changes in unsettled derivatives	26	(18)
Accounts payable	131	123
Derivative instruments collateral deposits paid	(35)	(343)
Other current assets	45	(6)
Other current liabilities	(33)	(62)
Net cash provided (used) by operating activities	119	(240)
CASH FLOWS FROM INVESTING ACTIVITIES
Expenditures for property, plant and equipment	(156)	(210)
Acquisitions of businesses and assets, net of cash acquired	0	(9)
Investments in equity method investees	(19)	(40)
Other, net	10	(12)
Net cash used by investing activities	(165)	(271)
CASH FLOWS FROM FINANCING ACTIVITIES
Dividends on UGI Common Stock	(79)	(76)
Issuances of long-term debt, net of discount and issuance costs	330	155
Repayments of long-term debt and finance leases, including redemption premiums	(144)	(128)
(Decrease) increase in short-term borrowings	(160)	487
Receivables Facility net borrowings	60	121
Payments on Purchase Contracts	(4)	(4)
Issuances of UGI Common Stock	0	5
Repurchases of UGI Common Stock	0	(12)
Net cash provided by financing activities	3	548
Effect of exchange rate changes on cash, cash equivalents and restricted cash	5	38
Cash, cash equivalents and restricted cash (decrease) increase	(38)	75
CASH, CASH EQUIVALENTS AND RESTRICTED CASH
Cash, cash equivalents and restricted cash at end of period	302	544
Cash, cash equivalents and restricted cash at beginning of period	340	469
Cash, cash equivalents and restricted cash (decrease) increase	$ (38)	$ 75