Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2019

Accrued Liabilities [Abstract]

Accrued Liabilities

Accrued liabilities consisted of the following:

	March 31, 2019		December 31, 2018
Employee-related costs and benefits	$	45	$	69
Interest		33		16
Sales rebates		15		18
Taxes other than income taxes		7		5
Asset retirement obligations		5		6
Derivatives		—		6
Professional fees and other		14		20
Accrued liabilities	$	119	$	140