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 |
As at 2020-01-01 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||
| Profit (loss) | — |
939,200,000
EUR
|
947,300,000
EUR
|
8,100,000
EUR
|
— |
938,600,000
EUR
|
7,300,000
EUR
|
— |
931,300,000
EUR
|
— |
| Cash flows from (used in) operations | — | — |
1,907,500,000
EUR
|
— | — |
1,549,600,000
EUR
|
— | — | — | — |
| Dividends received, classified as operating activities | — | — |
8,000,000
EUR
|
— | — |
5,900,000
EUR
|
— | — | — | — |
| Interest paid, classified as operating activities | — | — |
19,000,000
EUR
|
— | — |
16,100,000
EUR
|
— | — | — | — |
| Interest received, classified as operating activities | — | — |
30,600,000
EUR
|
— | — |
39,200,000
EUR
|
— | — | — | — |
| Income taxes paid (refund), classified as operating activities | — | — |
333,200,000
EUR
|
— | — |
287,200,000
EUR
|
— | — | — | — |
| Other inflows (outflows) of cash, classified as operating activities | — | — |
43,700,000
EUR
|
— | — |
21,700,000
EUR
|
— | — | — | — |
| Cash flows from (used in) operating activities | — | — |
1,550,200,000
EUR
|
— | — |
1,269,700,000
EUR
|
— | — | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — |
-
EUR
|
— | — |
3,200,000
EUR
|
— | — | — | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — |
26,900,000
EUR
|
— | — |
27,000,000
EUR
|
— | — | — | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — | — |
5,100,000
EUR
|
— | — | — | — | — | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — |
88,000,000
EUR
|
— | — |
98,000,000
EUR
|
— | — | — | — |
| Cash flows from (used in) investing activities | — | — |
109,800,000
EUR
|
— | — |
121,800,000
EUR
|
— | — | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||
| Payments from changes in ownership interests in subsidiaries that do not result in loss of control | — | — |
3,800,000
EUR
|
— | — |
3,700,000
EUR
|
— | — | — | — |
| Proceeds from issuing other equity instruments | — | — | — | — | — |
37,500,000
EUR
|
— | — | — | — |
| Dividends paid, classified as financing activities | — | — |
880,500,000
EUR
|
— | — |
851,700,000
EUR
|
— | — | — | — |
| Cash flows from (used in) financing activities | — | — |
1,624,500,000
EUR
|
— | — |
1,134,700,000
EUR
|
— | — | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — |
184,100,000
EUR
|
— | — |
13,200,000
EUR
|
— | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — |
20,400,000
EUR
|
— | — |
13,200,000
EUR
|
— | — | — | — |
| Cash and cash equivalents |
457,900,000
EUR
|
— | — | — |
662,400,000
EUR
|
— | — |
662,400,000
EUR
|
— |
636,000,000
EUR
|