Intangible Assets (Tables)

6 Months Ended

Mar. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Components of Intangible Assets

Intangible assets consisted of:

	March 31, 2016				September 30, 2015
(Millions of dollars)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Amortized intangible assets
Customer relationships	$	3,361	$	233	$	3,370	$	120
Developed technology	3,355		635		3,487		510
Product rights	131		40		128		35
Trademarks	405		36		405		26
Patents and other	338		241		333		212
Amortized intangible assets	$	7,590	$	1,185	$	7,723	$	903
Unamortized intangible assets
Acquired in-process research and development	$	124			$	203
Trademarks	2				2
Unamortized intangible assets	$	126			$	205

Reconciliation of Goodwill by Business Segment

The following is a reconciliation of goodwill by business segment:

(Millions of dollars)	Medical				Life Sciences		Total
Goodwill as of September 30, 2015	$	6,807			$	730	$	7,537
Purchase accounting adjustments/currency translation	(90		)	(A)	1		(89		)
Goodwill as of March 31, 2016	$	6,718			$	731	$	7,448

(A) Comprised of acquisition accounting adjustments made during the period relating to the CareFusion acquisition of $94 million primarily resulting from adjustment to the deferred tax liability accounts.