Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Future Minimum Lease Commitments

At December 31, 2018, future minimum lease commitments for operating lease obligations and capital lease obligations were as follows:

	Operating Leases		Capital Leases
2019	$	94	$	3
2020	89		3
2021	70		2
2022	56		2
2023	42		2
Thereafter	152		7
Total minimum lease payments	$	503	$	19
Less: Imputed interest costs			(10		)
Present value of net minimum lease payments			$	9

Operating lease rental expense was approximately $160, $147 and $87 for the years ended December 31, 2018, 2017 and 2016, respectively.