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IFRSs not yet adopted (Tables) | 12 Months Ended
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Dec. 31, 2018
Disclosure Of Ifrss Not Yet Adopted [Abstract] |
Disclosure Of Lease Liability [Table Text Block] | Based on of the currently available information, a reconciliation between the amount of future minimum lease payments under non-cancellable operating leases at December 31, 2018 and the opening balance of the lease liability at January 1, 2019 is provided below:
(€ billion) |  |
Future minimum lease payments under non-cancellable operating leases at December 31, 2018 |  |  | 4.0 |
- Recognition of the shares of leases related to followers |  |  | 2.0 |
- Effect of discounting |  |  | (1.5 | )
- Extension options |  |  | 1.2 |
- Other changes |  |  | 0.1 |
Lease liability at January 1, 2019 |  |  | 5.8 |

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