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Schedule II - Valuation and Qualifying Accounts Schedule of Valuation and Qualifying Accounts (Tables)
 12 Months Ended
Dec. 31, 2015
Valuation and Qualifying Accounts [Abstract]  
schedule of valuation and qualifying accounts [Table Text Block]
(in millions)
Balance at Beginning of the Period
 
Charged to Cost and Expense
 
Amounts Written off
 
Translation Adjustment
 
Balance at the End of the Period
Allowance for accounts receivables
 
 
 
 
 
 
 
 
 
(current and noncurrent)
 
 
 
 
 
 
 
 
 
Year Ended December 31, 2013
$
195

 
$
38

 
$
(77
)
 
$
(22
)
 
$
134

Year Ended December 31, 2014
134

 
61

 
(88
)
 
(11
)
 
96

Year Ended December 31, 2015
96

 
88

 
(60
)
 
(29
)
 
95