Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2018

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

The following table provides the net periodic benefit cost associated with our international defined benefit pension plans:

	Three Months Ended
	March 31,			April 2,
(MILLIONS OF DOLLARS)	2018			2017
Service cost	$	2		$	2
Interest cost	1			1
Expected return on plan assets	(1		)	(1		)
Curtailment and settlement loss	—			1
Net periodic benefit cost	$	2		$	3