Retirement Programs (Tables)

3 Months Ended

Mar. 31, 2022

Retirement Benefits, Description [Abstract]

Schedule of Pension and OPEB Net Periodic Benefit Costs

The components of net pension and postretirement benefits other than pensions (“OPEB”) costs for the three months ended March 31, 2022 and 2021 are shown below:

	Quarter Ended March 31,
(Millions of dollars)	2022		2021
Amount recognized in Operating Profit
Service cost	$	33	$	40
Amount recognized in Net pension and OPEB cost (benefit), excluding service cost
Interest cost	53		39
Expected return on plan assets	(136)		(131)
Net amortization and deferral	19		43
	(64)		(49)
Net periodic benefit cost (benefit)	$	(31)	$	(9)