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Note 2 - Receivables, Net (Tables)
3 Months Ended
Mar. 31, 2016
Notes Tables  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
(in millions)
 
March 31,
2016
   
December 31,
2015
 
Trade receivables
  $ 268     $ 300  
Miscellaneous receivables
    51       46  
Total (net of allowances of $11 and $10 as of March 31, 2016 and December 31, 2015, respectively)
  $ 319     $ 346