Current Other Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Other Liabilities, Current [Abstract]
Asset retirement obligations	$ 8	$ 10
Benefit obligations (Note 9)	31	31
Customer rebates	27	45
Derivatives (Note 14)	3	2
Environmental (Note 10)	13	11
Insurance	9	10
Interest	16	16
Restructuring (Note 12)	26	30
Salaries and benefits	68	109
Sales and use tax/foreign withholding tax payable	21	13
Other	58	53
Total	$ 280	$ 330