Current Other Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Other Liabilities, Current [Abstract]
Asset retirement obligations	$ 9	$ 10
Benefit obligations (Note 15)	31	31
Customer rebates	51	45
Derivatives (Note 22)	3	2
Environmental (Note 16)	14	11
Insurance	6	10
Interest	15	16
Restructuring (Note 18)	16	30
Salaries and benefits	97	109
Sales and use tax/foreign withholding tax payable	21	13
Other	59	53
Total	$ 322	$ 330