Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2019

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

Net Periodic Cost (Benefit)
	Pension Benefits						Other  Postretirement  Benefits
	Three Months Ended March 31,						Three Months Ended March 31,
	2019			2018			2019			2018
Service cost	$	1		$	1		$	—		$	—
Interest cost	39			35			2			2
Expected return on plan assets	(57		)	(56		)	(1		)	(2		)
Amortization of prior service credit	—			—			(1		)	(1		)
Amortization of actuarial loss	11			12			1			1
Net periodic cost (benefit)	$	(6	)	$	(8	)	$	1		$	—