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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||
| Profit (loss) |
70,000,000
EUR
|
— |
175,000,000
EUR
|
245,000,000
EUR
|
175,000,000
EUR
|
1 089
EUR
|
— |
1 070
EUR
|
19,000,000
EUR
|
1 089
EUR
|
| Adjustments to reconcile profit (loss) [abstract] | ||||||||||
| Adjustments for income tax expense | — | — | — |
197,000,000
EUR
|
— | — | — |
132,000,000
EUR
|
— | — |
| Adjustments for finance costs | — | — | — |
60,000,000
EUR
|
— | — | — |
67,000,000
EUR
|
— | — |
| Other adjustments for non-cash items | — | — | — |
1 421
EUR
|
— | — | — |
2 196
EUR
|
— | — |
| Dividends received, classified as operating activities | — | — | — |
17,000,000
EUR
|
— | — | — |
28,000,000
EUR
|
— | — |
| Income taxes paid (refund), classified as operating activities | — | — | — |
237,000,000
EUR
|
— | — | — |
188,000,000
EUR
|
— | — |
| Cash flows from (used in) operating activities | — | — | — |
1 627
EUR
|
— | — | — |
1 840
EUR
|
— | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — | — |
31,000,000
EUR
|
— | — | — |
3,000,000
EUR
|
— | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — | — |
8,000,000
EUR
|
— | — | — |
5,000,000
EUR
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — | — |
749,000,000
EUR
|
— | — | — |
862,000,000
EUR
|
— | — |
| Purchase of intangible assets, classified as investing activities | — | — | — |
601,000,000
EUR
|
— | — | — |
616,000,000
EUR
|
— | — |
| Purchase of other long-term assets, classified as investing activities | — | — | — |
269,000,000
EUR
|
— | — | — |
203,000,000
EUR
|
— | — |
| Proceeds from government grants, classified as investing activities | — | — | — |
25,000,000
EUR
|
— | — | — |
30,000,000
EUR
|
— | — |
| Cash flows from (used in) investing activities | — | — | — |
1 572
EUR
|
— | — | — |
1 650
EUR
|
— | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||
| Proceeds from issuing shares | — | — | — |
16,000,000
EUR
|
— | — | — |
15,000,000
EUR
|
— | — |
| Interest paid, classified as financing activities | — | — | — |
99,000,000
EUR
|
— | — | — |
102,000,000
EUR
|
— | — |
| Cash flows from (used in) financing activities | — | — | — |
641,000,000
EUR
|
— | — | — |
1 061
EUR
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — |
55,000,000
EUR
|
— | — | — |
56,000,000
EUR
|
— | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — | — |
530,000,000
EUR
|
— | — | — |
1 194
EUR
|
— | — |
| Cash and cash equivalents | — |
2 415
EUR
|
— | — | — | — |
2 951
EUR
|
— | — | — |