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Commitments (Tables) | 12 Months Ended
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Dec. 31, 2018
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Summary of Non Cancellable Operating Leases Commitments | The future aggregate minimum lease payments under non-cancellable operating leases are as follows:
(in millions of Euros) |  | At December 31, 2018 |  |  | At December 31, 2017 |
Less than 1 year |  |  | 24 |  |  |  | 19 |
1 to 5 years |  |  | 63 |  |  |  | 49 |
More than 5 years |  |  | 46 |  |  |  | 40 |
Total non-cancellable operating leases minimum payments |  |  | 133 |  |  |  | 108 |
Summary of Capital Expenditures Commitments | Capital expenditures commitments
(in millions of Euros) |  | At December 31, 2018 |  |  | At December 31, 2017 |
Computer Software |  |  | 1 |  |  |  | 2 |
Property, plant and equipment |  |  | 123 |  |  |  | 99 |
Total capital expenditure commitments |  |  | 124 |  |  |  | 101 |

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