Business Restructuring Charges (Tables)

12 Months Ended

Sep. 30, 2023

Restructuring and Related Activities [Abstract]

Summary of Restructuring Accrual Activity

Restructuring liability activity in 2023, 2022 and 2021 was as follows:

(Millions of dollars)	Employee Termination		Other (a)		Total
Balance at September 30, 2020	$	32	$	4	$	36
Charged to expense	14		30		44
Cash payments	(31)		(25)		(56)
Non-cash settlements	—		(4)		(4)
Balance at September 30, 2021	$	14	$	5	$	19
Charged to expense	21		103		123
Cash payments	(11)		(71)		(82)
Non-cash settlements	—		(25)		(25)
Other adjustments	—		(1)		(1)
Balance at September 30, 2022	$	24	$	11	$	35
Charged to expense	117		122		239
Cash payments	(62)		(103)		(165)
Non-cash settlements	—		(30)		(30)
Other adjustments	—		1		1
Balance at September 30, 2023	$	79	$	1	$	80

(a)Expenses primarily relate to other costs associated with the execution of the Company’s cost efficiency and restructuring programs, such as incremental project management costs and asset write-offs.