Business Restructuring Charges (Tables)

6 Months Ended

Mar. 31, 2019

Restructuring and Related Activities [Abstract]

Summary of Restructuring Accrual Activity

Restructuring liability activity for the six months ended March 31, 2019 was as follows:

(Millions of dollars)	Employee Termination						Other						Total
	Bard			Other Initiatives			Bard (a)			Other Initiatives			Bard			Other Initiatives
Balance at September 30, 2018	$	33		$	23		$	—		$	4		$	33		$	27
Charged to expense	9			8			38			17			47			25
Cash payments	(22		)	(11		)	(2		)	(14		)	(24		)	(25		)
Non-cash settlements	—			—			(36		)	(4		)	(36		)	(4		)
Balance at March 31, 2019	$	20		$	20		—			$	3		$	20		$	23

(a) Largely represents the cost associated with certain pre-acquisition equity awards of Bard which, to encourage post-acquisition employee retention, were converted to BD equity awards with substantially the same terms and conditions as were applicable under such Bard awards immediately prior to the acquisition date.