CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2019
CASH FLOWS FROM OPERATING ACTIVITIES
Net income including noncontrolling interests	$ 1,467	$ 532	$ 308
Adjustments to reconcile net income including noncontrolling interests to net cash provided by operating activities:
Depreciation and amortization	502	484	448
Deferred income tax expense (benefit), net	478	146	(43)
Provision for uncollectible accounts	36	32	29
Changes in unrealized gains and losses on derivative instruments	(1,398)	(81)	259
Loss on disposals of Conemaugh and HVAC	0	54	0
Equity-based compensation expense	21	15	18
Loss (income) from equity investees	63	(27)	(9)
Other, net	31	21	15
Net change in:
Accounts receivable and accrued utility revenues	(233)	(18)	83
Income taxes receivable	(48)	(80)	0
Inventories	(231)	(5)	84
Utility deferred fuel costs, net of changes in unsettled derivatives	(22)	17	(30)
Accounts payable	366	3	(97)
Derivative instruments collateral received (paid)	472	22	(41)
Other current assets	(10)	38	45
Other current liabilities	(13)	(51)	9
Net cash provided by operating activities	1,481	1,102	1,078
CASH FLOWS FROM INVESTING ACTIVITIES
Expenditures for property, plant and equipment	(690)	(655)	(705)
Acquisitions of businesses and assets, net of cash and restricted cash acquired	(397)	(16)	(1,362)
Investments in equity method investees	65	0	0
Other, net	39	22	12
Net cash used by investing activities	(1,113)	(649)	(2,055)
CASH FLOWS FROM FINANCING ACTIVITIES
Dividends on UGI Common Stock	(282)	(273)	(200)
Distributions on AmeriGas Partners publicly held Common Units	0	0	(263)
Issuances of debt, net of issuance costs	656	209	2,412
Repayments of debt and finance leases	(405)	(86)	(738)
Receivables Facility net (repayments) borrowings	(19)	(27)	44
(Decrease) increase in short-term borrowings	(16)	(422)	327
Issuances of preferred stock, net of issuance costs	213	0	0
Issuances of UGI Common Stock	19	2	17
Repurchases of UGI Common Stock	0	(38)	(17)
Cash paid for AmeriGas Merger	0	0	(529)
Other	0	0	(11)
Net cash provided (used) by financing activities	166	(635)	1,042
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(14)	28	(16)
Cash, cash equivalents and restricted cash increase (decrease)	520	(154)	49
CASH, CASH EQUIVALENTS AND RESTRICTED CASH
Cash, cash equivalents and restricted cash at end of year	877	357	511
Cash, cash equivalents and restricted cash at beginning of year	357	511	462
Cash, cash equivalents and restricted cash increase (decrease)	520	(154)	49
Cash paid for:
Interest	297	311	248
Income taxes	$ 96	$ 75	$ 74