Goodwill and Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the Carrying Amount of Goodwill

Changes in the carrying amount of goodwill by reportable segment are as follows:

	AmeriGas Propane		UGI International		Midstream & Marketing		UGI Utilities		Total
Balance September 30, 2019	$	2,004	$	930	$	340	$	182	$	3,456
Dispositions	—		—		(5)		—		(5)
Purchase accounting adjustments	—		(2)		—		—		(2)
Foreign currency translation	—		69		—		—		69
Balance September 30, 2020	2,004		997		335		182		3,518
Acquisitions	—		6		—		255		261
Purchase accounting adjustments	—		—		1		—		1
Foreign currency translation	—		(10)		—		—		(10)
Balance September 30, 2021	$	2,004	$	993	$	336	$	437	$	3,770

Schedule of Finite-Lived Intangible Assets

Intangible assets comprise the following at September 30:

	2021		2020
Customer relationships	$	1,054	$	1,083
Trademarks and tradenames	12		12
Noncompete agreements and other	75		76
Accumulated amortization	(607)		(543)
Intangible assets, net (definite-lived)	534		628
Trademarks and tradenames (indefinite-lived)	49		49
Total intangible assets, net	$	583	$	677

Schedule of Indefinite-Lived Intangible Assets

Intangible assets comprise the following at September 30:

	2021		2020
Customer relationships	$	1,054	$	1,083
Trademarks and tradenames	12		12
Noncompete agreements and other	75		76
Accumulated amortization	(607)		(543)
Intangible assets, net (definite-lived)	534		628
Trademarks and tradenames (indefinite-lived)	49		49
Total intangible assets, net	$	583	$	677