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Intangible Assets (Including Goodwill) (Tables) | 12 Months Ended
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Dec. 31, 2018
Text block [abstract] |
Disclosure of Changes in Intangible Assets and Goodwill |
(in millions of Euros) |  | Goodwill |  |  | Technology |  |  | Computer Software |  |  | Customer relationships |  |  | Work in Progress |  |  | Other |  |  | Total intangible assets (excluding goodwill) |
Net balance at January 1, 2018 |  |  | 403 |  |  |  | 24 |  |  |  | 18 |  |  |  | 15 |  |  |  | 9 |  |  |  | 2 |  |  |  | 68 |
Additions |  |  | — |  |  |  | — |  |  |  | 2 |  |  |  | — |  |  |  | 8 |  |  |  | 1 |  |  |  | 11 |
Amortization expense |  |  | — |  |  |  | (3 | ) |  |  | (8 | ) |  |  | (1 | ) |  |  | — |  |  |  | (1 | ) |  |  | (13 | )
Transfer during the year |  |  | — |  |  |  | — |  |  |  | 5 |  |  |  | — |  |  |  | (5 | ) |  |  | — |  |  |  | — |
Effects of changes in foreign exchange rates |  |  | 19 |  |  |  | 1 |  |  |  | 1 |  |  |  | 1 |  |  |  | 1 |  |  |  | — |  |  |  | 4 |
Net balance at December 31, 2018 |  |  | 422 |  |  |  | 22 |  |  |  | 18 |  |  |  | 15 |  |  |  | 13 |  |  |  | 2 |  |  |  | 70 |
Cost |  |  | 422 |  |  |  | 84 |  |  |  | 65 |  |  |  | 39 |  |  |  | 13 |  |  |  | 3 |  |  |  | 204 |
Less accumulated amortization and impairment |  |  | — |  |  |  | (62 | ) |  |  | (47 | ) |  |  | (24 | ) |  |  | — |  |  |  | (1 | ) |  |  | (134 | )
Net balance at December 31, 2018 |  |  | 422 |  |  |  | 22 |  |  |  | 18 |  |  |  | 15 |  |  |  | 13 |  |  |  | 2 |  |  |  | 70 |
(in millions of Euros) |  | Goodwill |  |  | Technology |  |  | Computer Software |  |  | Customer relationships |  |  | Work in Progress |  |  | Other |  |  | Total intangible assets (excluding goodwill) |
Net balance at January 1, 2017 |  |  | 457 |  |  |  | 28 |  |  |  | 21 |  |  |  | 18 |  |  |  | 9 |  |  |  | 3 |  |  |  | 79 |
Additions |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 6 |  |  |  | — |  |  |  | 6 |
Amortization expense |  |  | — |  |  |  | (1 | ) |  |  | (9 | ) |  |  | (1 | ) |  |  | — |  |  |  | (1 | ) |  |  | (12 | )
Transfer during the year |  |  | — |  |  |  | 1 |  |  |  | 7 |  |  |  | — |  |  |  | (6 | ) |  |  | — |  |  |  | 2 |
Effects of changes in foreign exchange rates |  |  | (54 | ) |  |  | (4 | ) |  |  | (1 | ) |  |  | (2 | ) |  |  | — |  |  |  | — |  |  |  | (7 | )
Net balance at December 31, 2017 |  |  | 403 |  |  |  | 24 |  |  |  | 18 |  |  |  | 15 |  |  |  | 9 |  |  |  | 2 |  |  |  | 68 |
Cost |  |  | 403 |  |  |  | 81 |  |  |  | 55 |  |  |  | 38 |  |  |  | 9 |  |  |  | 3 |  |  |  | 186 |
Less accumulated amortization and impairment |  |  | — |  |  |  | (57 | ) |  |  | (37 | ) |  |  | (23 | ) |  |  | — |  |  |  | (1 | ) |  |  | (118 | )
Net balance at December 31, 2017 |  |  | 403 |  |  |  | 24 |  |  |  | 18 |  |  |  | 15 |  |  |  | 9 |  |  |  | 2 |  |  |  | 68 |

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- Definition Text block [abstract] + References No definition available. + Details
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- Definition The disclosure of the reconciliation of changes in intangible assets and goodwill. [Refer: Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2018-01-01 -Paragraph 118 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=38&date=2018-03-01&anchor=para_118&doctype=Standard -URIDate 2018-03-16 + Details
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