Current Other Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Other Liabilities, Current [Abstract]
Asset retirement obligations	$ 19	$ 9
Benefit obligations (Note 10)	31	31
Customer rebates	31	51
Derivatives (Note 15)	3	3
Environmental (Note 11)	13	14
Insurance	5	6
Interest	21	15
Restructuring (Note 13)	14	16
Salaries and benefits	53	97
Sales and use tax/foreign withholding tax payable	21	21
Other	51	59
Total	$ 262	$ 322