Current Other Liabilities (Details) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Current Other Liabilities [Abstract]
Salaries and benefits	$ 103	$ 111
Environmental (Note 11)	22	16
Restructuring (Note 13)	49	57
Insurance	21	27
Asset retirement obligations	36	31
Derivatives (Note 15)	56	69
Current portion of benefit obligations	49	49
Interest	28	29
Sales and use tax/foreign withholding tax payable	27	15
Uncertain tax positions	12	15
Other	172	177
Total	$ 575	$ 596