Retirement Programs (Tables)

9 Months Ended

Sep. 30, 2025

Retirement Benefits [Abstract]

Schedule of Components of Net Pension and Postretirement Benefits

The components of net pension and postretirement benefits other than pensions (“OPEB”) costs for the quarter and nine months ended September 30, 2025 and 2024 are shown below:

	Quarter Ended September 30,				Nine Months Ended September 30,
(Millions of dollars)	2025		2024		2025		2024
Amount recognized in Operating Profit
Service cost	$	21	$	21	$	62	$	63
Amount recognized in Net pension and OPEB cost (benefit), excluding service cost
Interest cost	91		91		266		273
Expected return on plan assets	(142)		(140)		(416)		(415)
Net amortization and deferral (gain) loss	(8)		(2)		(24)		(8)
Settlement charge (a)	2		6		2		6
	(57)		(45)		(172)		(144)
Net periodic benefit cost (benefit)	$	(36)	$	(24)	$	(110)	$	(81)