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Inventories (Tables)
12 Months Ended
Dec. 31, 2017
Inventories  
Disclosure of detailed information about inventories [text block]
    December 31, 2017   December 31, 2016
(€ million)  

Crude oil,

gas and

petroleum

products

 

Chemical

products

  Other   Total  

Crude oil,

gas and

petroleum

products

 

Chemical

products

  Other   Total
Raw and auxiliary materials and consumables     785       140       1,640       2,565       550       135       1,903       2,588  
Products being processed and semi-finished products     133       7               140       99       9       1       109  
Work in progress                     1       1                       2       2  
Finished products and goods     1,287       489       83       1,859       1,394       389       86       1,869  
Certificates and emission rights                     56       56                       69       69  
      2,205       636       1,780       4,621       2,043       533       2,061       4,637  

Disclosure of detailed information about Changes in inventories and in the loss provision [text block]

Changes in inventories and in the loss provision were as follows:

    2017   2016
(€ million)  

Gross carrying

amount

 

Loss

provision

 

Net carrying

amount

 

Gross carrying

amount

 

Loss

provision

 

Net carrying

amount

Carrying amount at the beginning of the year     4,892       (255 )     4,637       4,887       (308 )     4,579  
Changes     314               314       (29 )             (29 )
New or increased provisions             (81 )     (81 )             (125 )     (125 )
Deductions             18       18               163       163  
Currency translation differences     (254 )     22       (232 )     61       (5 )     56  
Other changes     (86 )     51       (35 )     (27 )     20       (7 )
Carrying amount at the end of the year     4,866       (245 )     4,621       4,892       (255 )     4,637