Current Other Liabilities (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Other Liabilities, Current [Abstract]
Salaries and benefits	$ 74	$ 74
Environmental (Note 11)	21	21
Restructuring (Note 13)	25	30
Insurance	14	15
Asset retirement obligations	31	38
Derivatives (Note 15)	18	23
Current portion of benefit obligations	47	47
Interest	37	23
Sales and use tax/foreign withholding tax payable	18	17
Uncertain tax positions	60	65
Customer rebates	38	44
Other	76	78
Total	$ 459	$ 475