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Note 16 - Financial Instruments (Details) - Financial Instruments Not Recorded at Fair Value (USD $)
In Millions, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Debt    
Short-term debt $ 4 $ 4
  4
4  
Long-term debt 673 674
Long-term debt, fair value 702 687
Fair Value, Inputs, Level 2 [Member]
   
Debt    
Short-term debt 4 4
  4
4  
Long-term debt 673 674
Long-term debt, fair value $ 702 $ 687