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Information by industry segment and by geographical area (Details 1) - EUR (€) € in Millions | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | --- | ---
DisclosureOfSegmentalAnalysisLineItems [Line Items] |  |  |  |  |
Identifiable assets | [1] | € 89,816 | € 99,068 | € 112,028 | [2]
Capital expenditure in tangible and intangible assets |  | 8,681 | 9,180 | 11,302 |
Italy [Member] |  |  |  |  |
DisclosureOfSegmentalAnalysisLineItems [Line Items] |  |  |  |  |
Identifiable assets | [1] | 18,449 | 18,769 | 21,360 |
Capital expenditure in tangible and intangible assets |  | 1,090 | 1,163 | 1,320 |
Other European [Member] |  |  |  |  |
DisclosureOfSegmentalAnalysisLineItems [Line Items] |  |  |  |  |
Identifiable assets | [1] | 7,706 | 7,370 | 12,370 |
Capital expenditure in tangible and intangible assets |  | 316 | 331 | 708 |
Rest of Europe [Member] |  |  |  |  |
DisclosureOfSegmentalAnalysisLineItems [Line Items] |  |  |  |  |
Identifiable assets | [1] | 6,160 | 6,960 | 7,937 |
Capital expenditure in tangible and intangible assets |  | 387 | 460 | 1,151 |
Americas [Member] |  |  |  |  |
DisclosureOfSegmentalAnalysisLineItems [Line Items] |  |  |  |  |
Identifiable assets | [1] | 4,406 | 5,397 | 7,442 |
Capital expenditure in tangible and intangible assets |  | 278 | 233 | 727 |
Asia [Member] |  |  |  |  |
DisclosureOfSegmentalAnalysisLineItems [Line Items] |  |  |  |  |
Identifiable assets | [1] | 16,527 | 19,471 | 22,359 |
Capital expenditure in tangible and intangible assets |  | 898 | 1,978 | 2,326 |
Africa [Member] |  |  |  |  |
DisclosureOfSegmentalAnalysisLineItems [Line Items] |  |  |  |  |
Identifiable assets | [1] | 35,385 | 39,812 | 38,927 |
Capital expenditure in tangible and intangible assets |  | 5,699 | 5,004 | 5,020 |
Other areas [Member] |  |  |  |  |
DisclosureOfSegmentalAnalysisLineItems [Line Items] |  |  |  |  |
Identifiable assets | [1] | 1,183 | 1,289 | 1,633 |
Capital expenditure in tangible and intangible assets |  | € 13 | € 11 | € 50 |
[1] | Each individual amount included herein was lower than &euro;50 million.
[2] | Includes assets directly associated with the generation of operating profit.

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