Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Sep. 30, 2022

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

The tables below present changes in AOCI, net of tax, during Fiscal 2022, Fiscal 2021 and Fiscal 2020:

	Postretirement Benefit Plans		Derivative Instruments		Foreign Currency		Total
AOCI - September 30, 2019	$	(26)	$	(25)	$	(166)	$	(217)
Other comprehensive (loss) income before reclassification adjustments	(3)		(38)		99		58
Amounts reclassified from AOCI	3		9		—		12
Other comprehensive (loss) income attributable to UGI	—		(29)		99		70
AOCI - September 30, 2020	$	(26)	$	(54)	$	(67)	$	(147)
Other comprehensive income (loss) before reclassification adjustments	7		3		(23)		(13)
Amounts reclassified from AOCI	2		18		—		20
Other comprehensive income (loss) attributable to UGI	9		21		(23)		7
AOCI - September 30, 2021	$	(17)	$	(33)	$	(90)	$	(140)
Other comprehensive income (loss) before reclassification adjustments	28		64		(341)		(249)
Amounts reclassified from AOCI	3		6		—		9
Other comprehensive income (loss) attributable to UGI	31		70		(341)		(240)
AOCI - September 30, 2022	$	14	$	37	$	(431)	$	(380)