Current Other Liabilities (Details) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Other Liabilities, Current [Abstract]
Asset retirement obligations	$ 8	$ 10
Benefit obligations (Note 9)	31	31
Customer rebates	31	45
Derivatives (Note 14)	3	2
Environmental (Note 10)	14	11
Insurance	5	10
Interest	14	16
Restructuring (Note 12)	21	30
Salaries and benefits	73	109
Sales and use tax/foreign withholding tax payable	29	13
Uncertain tax positions (Note 13)	17	0
Other	55	53
Total	$ 301	$ 330