Intangible Assets (Tables)

9 Months Ended

Jun. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Components of Intangible Assets

Intangible assets consisted of:

	June 30, 2020				September 30, 2019
(Millions of dollars)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Amortized intangible assets
Developed technology	$	14,059	$	3,702	$	13,960	$	2,906
Customer relationships	4,612		1,427		4,608		1,183
Product rights	115		68		110		60
Trademarks	408		115		407		102
Patents and other	503		322		445		305
Amortized intangible assets	$	19,697	$	5,634	$	19,530	$	4,555
Unamortized intangible assets
Acquired in-process research and development (a)	$	44			$	1
Trademarks	2				2
Unamortized intangible assets	$	46			$	3

Reconciliation of Goodwill by Business Segment

The following is a reconciliation of goodwill by business segment:

(Millions of dollars)	Medical		Life Sciences		Interventional		Total
Goodwill as of September 30, 2019	$	9,989	$	772	$	12,615	$	23,376
Acquisitions (a)	10		58		49		117
Purchase price allocation adjustments	—		1		—		1
Currency translation	19		3		33		55
Goodwill as of June 30, 2020	$	10,019	$	834	$	12,697	$	23,549

(a)Represents goodwill recognized relative to certain acquisitions which were not material individually or in the aggregate.