Pension and Other Postretirement Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2017

General Discussion of Pension and Other Postretirement Benefits [Abstract]

Schedule of Defined Benefit Plans Disclosures

The following table summarizes the components of net periodic pension cost and the cost of other postretirement benefits for the periods presented:



	Three Months Ended March 31,
	United States Pension Benefits						Foreign Pension Benefits						Other Postretirement Benefits
Millions of dollars	2017			2016			2017			2016			2017			2016
Service cost	$	1		$	1		$	1		$	1		$	2		$	2
Interest cost	34			37			5			7			4			4
Expected return on plan assets	(44		)	(47		)	(7		)	(8		)	—			—
Amortization:
Actuarial loss	12			12			2			1			—			—
Prior service credit	(1		)	(1		)	—			—			(4		)	(4		)
Settlement and curtailment loss				—			—			1			—			—
Net periodic cost	$	2		$	2		$	1		$	2		$	2		$	2

The following table summarizes the net periodic cost recognized in operating profit and interest and sundry (income) expense for the periods presented:



	Three Months Ended March 31,
	United States Pension Benefits				Foreign Pension Benefits				Other Postretirement Benefits
Millions of dollars	2017		2016		2017		2016		2017		2016
Operating profit	$	1	$	1	$	1	$	1	$	2	$	2
Interest and sundry (income) expense	1		1		—		1		—		—
Net periodic cost	$	2	$	2	$	1	$	2	$	2	$	2