Defined Benefit Pension Plans (Tables)

3 Months Ended

Mar. 31, 2019

Retirement Benefits [Abstract]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

:

	Quarter Ended
	March 31,
	2019			2018
Service cost	$	1		$	1
Other components of net periodic pension cost1:
Interest cost	3			3
Expected return on plan assets	(4		)	(3		)
Amortization of net loss	1			2
Net periodic pension cost	$	2		$	2