Current Other Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Other Liabilities, Current [Abstract]
Asset retirement obligations	$ 8	$ 9
Benefit obligations (Note 9)	33	28
Customer rebates	38	53
Derivatives (Note 14)	6	13
Environmental (Note 10)	16	21
Insurance	8	9
Interest	20	19
Restructuring (Note 12)	15	21
Salaries and benefits	106	129
Sales and use tax/foreign withholding tax payable	23	13
Uncertain tax positions (Note 13)	0	59
Other	58	58
Total	$ 331	$ 432