Current Other Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Other Liabilities, Current [Abstract]
Asset retirement obligations	$ 8	$ 10
Benefit obligations (Note 9)	31	31
Customer rebates	40	45
Derivatives (Note 14)	1	2
Environmental (Note 10)	15	11
Insurance	6	10
Interest	17	16
Restructuring (Note 12)	20	30
Salaries and benefits	88	109
Sales and use tax/foreign withholding tax payable	24	13
Uncertain tax positions (Note 13)	0	0
Other	49	53
Total	$ 299	$ 330