Current Other Liabilities (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Other Liabilities, Current [Abstract]
Salaries and benefits	$ 77	$ 74
Environmental (Note 11)	20	21
Restructuring (Note 13)	20	30
Insurance	13	15
Asset retirement obligations	27	38
Derivatives (Note 15)	17	23
Current portion of benefit obligations	47	47
Interest	26	23
Sales and use tax/foreign withholding tax payable	20	17
Uncertain tax positions	61	65
Customer rebates	37	44
Other	74	78
Total	$ 439	$ 475