INTANGIBLE ASSETS

12 Months Ended

Sep. 30, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Other intangible assets–net in the consolidated balance sheets consist of the following at September 30 (in millions):


	2024						2023
	Gross Carrying Amount		Accumulated Amortization		Net		Gross Carrying Amount		Accumulated Amortization		Net
Trademarks and trade names	$	1,165	$	—	$	1,165	$	1,019	$	—	$	1,019
Technology	2,510		1,003		1,507		2,124		888		1,236
Order backlog	61		13		48		7		6		1
Customer relationships	895		175		720		623		136		487
Other	12		6		6		9		5		4
Total	$	4,643	$	1,197	$	3,446	$	3,782	$	1,035	$	2,747

As disclosed in Note 2, “Acquisitions,” the estimated fair value of the net identifiable tangible and intangible assets acquired is based on the acquisition method of accounting and is subject to adjustment upon completion of the third-party valuation for certain acquisitions. Material adjustments may occur. The fair value of the net identifiable tangible and intangible assets acquired will be finalized within the measurement period (not to exceed one year). Intangible assets acquired during the fiscal year ended September 30, 2024 are summarized in the table below (in millions):


	Gross Amount		Amortization Period
Intangible assets not subject to amortization:
Goodwill	$	1,349
Trademarks and trade names	142
	1,491
Intangible assets subject to amortization:
Technology	366		20 years
Order backlog	56		1 to 3 years
Customer relationships	258		20 years
	680
Total	$	2,171

Information regarding the amortization expense of amortizable intangible assets is detailed below (in millions):

Annual Amortization Expense:


Fiscal Years Ended September 30,
2024	$	161
2023	139
2022	136

Estimated Amortization Expense:


Fiscal Years Ended September 30,
2025	$	196
2026	179
2027	169
2028	164
2029	160

The following is a summary of changes in the carrying value of goodwill by segment for the fiscal years ended September 30, 2023 and 2024 (in millions):


	Power & Control		Airframe		Non-aviation		Total
Balance at September 30, 2022	$	4,155	$	4,393	$	93	$	8,641
Goodwill acquired during the period (Note 2)	12		244		—		256
Purchase price allocation adjustments	4		3		—		7
Currency translation adjustments and other	23		61		—		84
Balance at September 30, 2023	4,194		4,701		93		8,988
Goodwill acquired during the period (Note 2)	786		563		—		1,349
Purchase price allocation adjustments (1)	—		35		—		35
Currency translation adjustments and other	40		7		—		47
Balance at September 30, 2024	$	5,020	$	5,306	$	93	$	10,419

(1)Primarily related to opening balance sheet adjustments recorded from the fiscal 2023 acquisition of Calspan. Refer to Note 2, “Acquisitions,” for further information.