Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Mar. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill

The following table summarizes changes in the carrying amount of goodwill in each of the Company’s reportable segments (in millions):

	Building Solutions North America		Building Solutions EMEA/LA		Building Solutions Asia Pacific		Global Products		Total
Goodwill	$	10,040	$	1,932	$	1,179	$	5,750	18,901
Accumulated impairment loss	(659)		(47)		—		(259)		(965)
Balance at September 30, 2023	9,381		1,885		1,179		5,491		17,936
Impairments	—		(230)		—		—		(230)
Foreign currency translation and other (1)	11		44		1		(5)		51
Balance at March 31, 2024	$	9,392	$	1,699	$	1,180	$	5,486	$	17,757

(1) Includes measurement period adjustments

Other Intangible Assets

Other intangible assets, primarily from business acquisitions, consisted of (in millions):

	March 31, 2024						September 30, 2023
	Gross Carrying Amount		Accumulated Amortization		Net		Gross Carrying Amount		Accumulated Amortization		Net
Definite-lived intangible assets
Technology	$	1,592	$	(884)	$	708	$	1,575	$	(806)	$	769
Customer relationships	3,056		(1,616)		1,440		3,047		(1,496)		1,551
Miscellaneous	938		(487)		451		889		(435)		454
	5,586		(2,987)		2,599		5,511		(2,737)		2,774
Indefinite-lived intangible assets
Trademarks/trade names	2,118		—		2,118		2,114		—		2,114
Total intangible assets	$	7,704	$	(2,987)	$	4,717	$	7,625	$	(2,737)	$	4,888