Statement Of Cash Flows [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
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 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||
| Profit (loss) |
9,000,000
EUR
|
— |
222,000,000
EUR
|
231,000,000
EUR
|
222,000,000
EUR
|
139,000,000
EUR
|
— |
147,000,000
EUR
|
8,000,000
EUR
|
139,000,000
EUR
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||
| Adjustments for provisions | — | — | — |
40,000,000
EUR
|
— | — | — |
18,000,000
EUR
|
— | — | — |
| Other adjustments for non-cash items | — | — | — |
42,000,000
EUR
|
— | — | — |
6,000,000
EUR
|
— | — | — |
| Adjustments for losses (gains) on disposal of non-current assets | — | — | — |
14,000,000
EUR
|
— | — | — |
1,000,000
EUR
|
— | — | — |
| Other adjustments to reconcile profit (loss) | — | — | — |
96,000,000
EUR
|
— | — | — |
80,000,000
EUR
|
— | — | — |
| Dividends received, classified as operating activities | — | — | — |
85,000,000
EUR
|
— | — | — |
52,000,000
EUR
|
— | — | — |
| Interest paid, classified as operating activities | — | — | — |
29,000,000
EUR
|
— | — | — |
14,000,000
EUR
|
— | — | — |
| Interest received, classified as operating activities | — | — | — |
1,000,000
EUR
|
— | — | — |
3,000,000
EUR
|
— | — | — |
| Income taxes paid (refund), classified as operating activities | — | — | — |
107,000,000
EUR
|
— | — | — |
21,000,000
EUR
|
— | — | — |
| Cash flows from (used in) operating activities | — | — | — |
567,000,000
EUR
|
— | — | — |
386,000,000
EUR
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — | — |
32,000,000
EUR
|
— | — | — | — | — | — | — |
| Other cash receipts from sales of equity or debt instruments of other entities, classified as investing activities | — | — | — |
10,000,000
EUR
|
— | — | — |
13,000,000
EUR
|
— | — | — |
| Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities | — | — | — |
42,000,000
EUR
|
— | — | — |
44,000,000
EUR
|
— | — | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — | — | — |
21,000,000
EUR
|
— | — | — |
41,000,000
EUR
|
— | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — | — |
262,000,000
EUR
|
— | — | — |
195,000,000
EUR
|
— | — | — |
| Purchase of intangible assets, classified as investing activities | — | — | — |
82,000,000
EUR
|
— | — | — |
42,000,000
EUR
|
— | — | — |
| Purchase of other long-term assets, classified as investing activities | — | — | — |
23,000,000
EUR
|
— | — | — |
19,000,000
EUR
|
— | — | — |
| Cash flows from (used in) investing activities | — | — | — |
345,000,000
EUR
|
— | — | — |
245,000,000
EUR
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||
| Payments to acquire or redeem entity's shares | — | — | — |
31,000,000
EUR
|
— | — | — |
0
EUR
|
— | — | — |
| Repayments of borrowings, classified as financing activities | — | — | — |
30,000,000
EUR
|
— | — | — |
10,000,000
EUR
|
— | — | — |
| Payments of lease liabilities, classified as financing activities | — | — | — |
34,000,000
EUR
|
— | — | — |
41,000,000
EUR
|
— | — | — |
| Dividends paid, classified as financing activities | — | — | — |
80,000,000
EUR
|
— | — | — |
7,000,000
EUR
|
— | — | — |
| Cash flows from (used in) financing activities | — | — | — |
276,000,000
EUR
|
— | — | — |
504,000,000
EUR
|
— | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — |
54,000,000
EUR
|
— | — | — |
644,000,000
EUR
|
— | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — |
3,000,000
EUR
|
— | — | — |
11,000,000
EUR
|
— | — | — |
| Cash and cash equivalents | — |
722,000,000
EUR
|
— | — | — | — |
773,000,000
EUR
|
— | — | — |
139,000,000
EUR
|