Pension and Postretirement Plans

3 Months Ended

Mar. 31, 2020

Retirement Benefits [Abstract]

Pension and Postretirement Plans

Pension and Postretirement Plans

The components of net periodic benefit cost for the three months ended March 31, 2020 and 2019, were as follows:

	Millions of Dollars
	Pension Benefits									Other Benefits
	2020					2019				2020		2019
	U.S.			Int’l.		U.S.		Int’l.
Components of Net Periodic Benefit Cost
Three Months Ended March 31
Service cost	$	33		7		32		6		1		1
Interest cost	25			6		27		6		2		2
Expected return on plan assets	(41		)	(13	)	(36	)	(11	)	—		—
Amortization of prior service credit	—			—		—		—		(1	)	—
Recognized net actuarial loss	14			4		13		2		—		—
Settlements	—			—		4		—		—		—
Net periodic benefit cost*	$	31		4		40		3		2		3
* Included in the “Operating expenses” and “Selling, general and administrative expenses” line items on our consolidated statement of operations.

During the three months ended March 31, 2020, we contributed $4 million to our U.S. pension and other postretirement benefit plans and $7 million to our international pension plans. We currently expect to make additional contributions of approximately $42 million to our U.S. pension and other postretirement benefit plans and $20 million to our international pension plans during the remainder of 2020.