Commiments and Contingencies Commiments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2020

Legal and Environmental Matters [Abstract]

Schedule of Loss Contingencies by Contingency [Table Text Block]

We maintain reserves for various contingent liabilities as follows:

	March 31, 2020			December 31, 2019
Environmental reserves	$	9		$	10
Other reserves	—			—
Total contingencies	9			10
Current portion (included in other current liabilities)	(2		)	(2		)
Long-term portion (included in other long-term liabilities)	$	7		$	8