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Note 7 - Other Operating Income, Net (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 1 Months Ended
Mar. 31, 2013
Mar. 31, 2012
MEXICO
Note 7 - Other Operating Income, Net (Details) [Line Items]    
Goodwill, Impairment Loss $ 77  
Sales of Real Estate   41
Sale Leaseback Term   1 year
Gains (Losses) on Sales of Investment Real Estate   $ 34