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 |
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) |
77,000,000
EUR
|
— |
282,000,000
EUR
|
51,000,000
EUR
|
359,000,000
EUR
|
231,000,000
EUR
|
172,000,000
EUR
|
— |
208,000,000
EUR
|
36,000,000
EUR
|
172,000,000
EUR
|
— |
| Adjustments to reconcile profit (loss) [abstract] | ||||||||||||
| Adjustments for provisions | — | — | — | — |
15,000,000
EUR
|
— | — | — |
17,000,000
EUR
|
— | — | — |
| Other adjustments for non-cash items | — | — | — | — |
25,000,000
EUR
|
— | — | — |
13,000,000
EUR
|
— | — | — |
| Adjustments for losses (gains) on disposal of non-current assets | — | — | — | — |
12,000,000
EUR
|
— | — | — |
20,000,000
EUR
|
— | — | — |
| Other adjustments to reconcile profit (loss) | — | — | — | — |
39,000,000
EUR
|
— | — | — |
44,000,000
EUR
|
— | — | — |
| Income taxes paid (refund), classified as operating activities | — | — | — | — |
230,000,000
EUR
|
— | — | — |
124,000,000
EUR
|
— | — | — |
| Cash flows from (used in) operating activities | — | — | — | — |
813,000,000
EUR
|
— | — | — |
561,000,000
EUR
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — | — | — |
8,000,000
EUR
|
— | — | — |
459,000,000
EUR
|
— | — | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — | — | — |
95,000,000
EUR
|
— | — | — |
0
EUR
|
— | — | — |
| Other inflows (outflows) of cash, classified as investing activities | — | — | — | — |
2,000,000
EUR
|
— | — | — |
3,000,000
EUR
|
— | — | — |
| Cash flows from (used in) investing activities | — | — | — | — |
579,000,000
EUR
|
— | — | — |
30,000,000
EUR
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||||
| Payments of lease liabilities, classified as financing activities | — | — | — | — |
113,000,000
EUR
|
— | — | — |
191,000,000
EUR
|
— | — | — |
| Dividends paid, classified as financing activities | — | — | — | — |
262,000,000
EUR
|
— | — | — |
42,000,000
EUR
|
— | — | — |
| Interest paid, classified as financing activities | — | — | — | — |
119,000,000
EUR
|
— | — | — |
211,000,000
EUR
|
— | — | — |
| Cash flows from (used in) financing activities | — | — | — | — |
308,000,000
EUR
|
— | — | — |
674,000,000
EUR
|
— | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — | — |
74,000,000
EUR
|
— | — | — |
143,000,000
EUR
|
— | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — | — |
20,000,000
EUR
|
— | — | — |
22,000,000
EUR
|
— | — | — |
| Cash and cash equivalents | — |
750,000,000
EUR
|
— | — | — | — | — |
678,000,000
EUR
|
— | — | — |
567,000,000
EUR
|