Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill in each of the Company’s reportable segments for the fiscal years ended September 30, 2020 and 2019 were as follows (in millions):

	September 30, 2018		Business Acquisitions		Business Divestitures		Impairments		Currency Translation  and Other		September 30, 2019
Building Solutions North America	$	9,603	$	—	$	—	$	—	$	(15)	$	9,588
Building Solutions EMEA/LA	1,950		6		(1)		—		(106)		1,849
Building Solutions Asia Pacific	1,235		8		—		—		(49)		1,194
Global Products	5,593		11		(22)		—		(35)		5,547
Total	$	18,381	$	25	$	(23)	$	—	$	(205)	$	18,178
	September 30, 2019		Business Acquisitions		Business Divestitures		Impairments		Currency Translation  and Other		September 30, 2020
Building Solutions North America	$	9,588	$	—	$	—	$	(424)	$	(4)	$	9,160
Building Solutions EMEA/LA	1,849		35		—		—		83		1,967
Building Solutions Asia Pacific	1,194		—		(11)		—		43		1,226
Global Products	5,547		21		—		—		11		5,579
Total	$	18,178	$	56	$	(11)	$	(424)	$	133	$	17,932

Other Intangible Assets

The Company’s other intangible assets, primarily from business acquisitions valued based on independent appraisals, consisted of (in millions):

	September 30, 2020						September 30, 2019
	Gross Carrying Amount		Accumulated Amortization		Net		Gross Carrying Amount		Accumulated Amortization		Net
Amortized intangible assets
Technology	$	1,332	$	(497)	$	835	$	1,307	$	(370)	$	937
Customer relationships	2,773		(969)		1,804		2,722		(759)		1,963
Miscellaneous	657		(268)		389		584		(224)		360
Total amortized intangible assets	4,762		(1,734)		3,028		4,613		(1,353)		3,260
Unamortized intangible assets
Trademarks/tradenames	2,248		—		2,248		2,282		—		2,282
Miscellaneous	80		—		80		90		—		90
	2,328		—		2,328		2,372		—		2,372
Total intangible assets	$	7,090	$	(1,734)	$	5,356	$	6,985	$	(1,353)	$	5,632