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Expenses by Nature (Tables)
12 Months Ended
Dec. 31, 2017
Text block1 [abstract]  
Detailed Information about Expenses by Nature


(in millions of Euros)

   Notes    Year ended 
December 31, 2017
     Year ended 
December 31, 2016
     Year ended 
December 31, 2015
 

Raw materials and consumables used

        (3,197      (2,792      (3,176

Employee benefit expenses

   6      (924      (897      (887

Energy costs

        (138      (140      (168

Sub-contractors

        (99      (108      (86

Freight out costs

        (124      (128      (130

Professional fees

        (77      (85      (75

Operating lease expenses

        (27      (27      (29

Depreciation and amortization

   15,16      (171      (155      (140

Impairment

   15      —          —          (457

Other operating expenses

        (229      (186      (300

Other gains / (losses)—net

   7      70        21        (131
     

 

 

    

 

 

    

 

 

 

Total Operating expenses

        (4,916      (4,497      (5,579