Benefit Plans (Tables)

3 Months Ended

Dec. 31, 2022

Retirement Benefits [Abstract]

Net Pension and Postretirement Cost

Net pension cost included the following components for the three-month periods:

	Three Months Ended December 31,
(Millions of dollars)	2022		2021
Service cost	$	24	$	35
Interest cost	35		20
Expected return on plan assets	(38)		(48)
Amortization of prior service credit	(2)		(4)
Amortization of loss	17		16
Settlements	—		5
Net pension cost	$	36	$	24