Disclosure Of Fair Value Measurement [Text Block]
| Concept |
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As at 2018-12-31 |
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| Disclosure of fair value measurement [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [abstract] | |||||||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of assets [line items] | |||||||||||||||||||||||||||||||||||||
| Assets | — | — | — | — | — | — | — | — |
7 024
EUR
|
— |
6 890
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [abstract] | |||||||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of equity [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of equity [abstract] | |||||||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of equity [line items] | |||||||||||||||||||||||||||||||||||||
| Equity |
2 050
EUR
|
0
EUR
|
30,000,000
EUR
|
2 409
EUR
|
147,000,000
EUR
|
7,000,000
EUR
|
386,000,000
EUR
|
575,000,000
EUR
|
2 409
EUR
|
2 568
EUR
|
2 569
EUR
|
1,000,000
EUR
|
5,000,000
EUR
|
10,000,000
EUR
|
575,000,000
EUR
|
2 569
EUR
|
1 828
EUR
|
13,000,000
EUR
|
147,000,000
EUR
|
2 225
EUR
|
2 217
EUR
|
0
EUR
|
575,000,000
EUR
|
58,000,000
EUR
|
575,000,000
EUR
|
1 547
EUR
|
2 213
EUR
|
8,000,000
EUR
|
2 221
EUR
|
9,000,000
EUR
|
144,000,000
EUR
|
8,000,000
EUR
|
1 543
EUR
|
0
EUR
|
144,000,000
EUR
|
9,000,000
EUR
|
58,000,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |