Current Other Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Other Liabilities, Current [Abstract]
Asset retirement obligations	$ 10	$ 9
Benefit obligations (Note 15)	31	28
Customer rebates	45	53
Derivatives (Note 22)	2	13
Environmental (Note 16)	11	21
Insurance	10	9
Interest	16	19
Restructuring (Note 18)	30	21
Salaries and benefits	109	129
Sales and use tax/foreign withholding tax payable	13	13
Uncertain tax positions (Note 19)	0	59
Other	53	58
Total	$ 330	$ 432