Statement Of Cash Flows [Abstract]
| Concept |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||
| Profit (loss) | — |
238,000,000
EUR
|
266,000,000
EUR
|
28,000,000
EUR
|
-
EUR
|
238,000,000
EUR
|
312,000,000
EUR
|
312,000,000
EUR
|
346,000,000
EUR
|
34,000,000
EUR
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||
| Adjustments for income tax expense | — | — |
2,000,000
EUR
|
— | — | — | — | — |
8,000,000
EUR
|
— | — |
| Adjustments for depreciation and amortisation expense | — | — |
130,000,000
EUR
|
— | — | — | — | — |
126,000,000
EUR
|
— | — |
| Adjustments for share-based payments | — | — |
14,000,000
EUR
|
— | — | — | — | — |
16,000,000
EUR
|
— | — |
| Adjustments for undistributed profits of associates | — | — |
13,000,000
EUR
|
— | — | — | — | — |
14,000,000
EUR
|
— | — |
| Other adjustments for non-cash items | — | — |
36,000,000
EUR
|
— | — | — | — | — |
14,000,000
EUR
|
— | — |
| Dividends received, classified as operating activities | — | — |
16,000,000
EUR
|
— | — | — | — | — |
9,000,000
EUR
|
— | — |
| Cash flows from (used in) operating activities | — | — |
718,000,000
EUR
|
— | — | — | — | — |
465,000,000
EUR
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — |
127,000,000
EUR
|
— | — | — | — | — |
757,000,000
EUR
|
— | — |
| Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities | — | — |
63,000,000
EUR
|
— | — | — | — | — |
9,000,000
EUR
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — |
104,000,000
EUR
|
— | — | — | — | — |
98,000,000
EUR
|
— | — |
| Other inflows (outflows) of cash, classified as investing activities | — | — |
-
EUR
|
— | — | — | — | — |
5,000,000
EUR
|
— | — |
| Cash flows from (used in) investing activities | — | — |
294,000,000
EUR
|
— | — | — | — | — |
869,000,000
EUR
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||
| Proceeds from issuing shares | — | — |
3,000,000
EUR
|
— | — | — | — | — |
5,000,000
EUR
|
— | — |
| Dividends paid, classified as financing activities | — | — |
81,000,000
EUR
|
— | — | — | — | — |
87,000,000
EUR
|
— | — |
| Cash flows from (used in) financing activities | — | — |
286,000,000
EUR
|
— | — | — | — | — |
30,000,000
EUR
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — |
74,000,000
EUR
|
— | — | — | — | — |
10,000,000
EUR
|
— | — |
| Cash and cash equivalents |
1 125
EUR
|
— | — | — | — | — | — | — | — | — |
1 004
EUR
|