Restructuring and Other Charges (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended			24 Months Ended
	Dec. 31, 2011 Position	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2010
Restructuring and Other Charges (Textual) [Abstract]
Restructuring and related costs	$ 8	$ 19	$ 21
Additional Restructuring and Other Charges (Textual) [Abstract]
Restructuring and related cost allowed to be excluded from the calculation of financial covenant ratios	60
Cumulative amount of allowable exclusions recognized in our calculation of financial covenant ratios	17
Senior Subordinated Notes [Member]
Restructuring and Other Charges (Textual) [Abstract]
Senior Notes	480
Cozad Plant Closing [Member]
Restructuring and Other Charges (Textual) [Abstract]
Restructuring and related costs		10	11
Restructuring and related costs settled with cash	2			16
Restructuring related costs, expected number of positions eliminated	500
Percentage of expected number of positions eliminated realized	more than 95%
Net decrease in number of positions	60
Australia Reporting Unit [Member]
Restructuring and Other Charges (Textual) [Abstract]
Restructuring and related costs	3
Restructuring and related costs settled with cash	3
Net decrease in number of positions	53
Cost of sales [Member]
Restructuring and Other Charges (Textual) [Abstract]
Restructuring and related costs	8	14	16
Depreciation And Amortization Expenses [Member]
Restructuring and Other Charges (Textual) [Abstract]
Restructuring and related costs		5	4
Selling General Administrative and Engineering [Member]
Restructuring and Other Charges (Textual) [Abstract]
Restructuring and related costs			$ 1