Statement Of Comprehensive Income [Abstract]
| Concept |
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 |
2021-01-01 to 2021-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||
| Profit (loss) |
180,000,000
EUR
|
— |
1 125
EUR
|
1 125
EUR
|
1 305
EUR
|
770,000,000
EUR
|
74,000,000
EUR
|
696,000,000
EUR
|
— |
696,000,000
EUR
|
| Other comprehensive income [abstract] | ||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract] | ||||||||||
| Other comprehensive income, before tax, gains (losses) from investments in equity instruments | — | — | — | — |
1,000,000
EUR
|
12,000,000
EUR
|
— | — | — | — |
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans | — | — | — | — |
65,000,000
EUR
|
34,000,000
EUR
|
— | — | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||
| Exchange differences on translation [abstract] | ||||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations | — | — | — | — |
116,000,000
EUR
|
114,000,000
EUR
|
— | — | — | — |
| Cash flow hedges [abstract] | ||||||||||
| Other comprehensive income, before tax, cash flow hedges | — | — | — | — |
60,000,000
EUR
|
7,000,000
EUR
|
— | — | — | — |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | — | — | — | — |
9,000,000
EUR
|
12,000,000
EUR
|
— | — | — | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | ||||||||||
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — | — | — | — |
16,000,000
EUR
|
1,000,000
EUR
|
— | — | — | — |
| Other comprehensive income |
12,000,000
EUR
|
241,000,000
EUR
|
— |
241,000,000
EUR
|
253,000,000
EUR
|
197,000,000
EUR
|
15,000,000
EUR
|
182,000,000
EUR
|
182,000,000
EUR
|
— |
| Comprehensive income |
192,000,000
EUR
|
241,000,000
EUR
|
1 125
EUR
|
1 366
EUR
|
1 558
EUR
|
573,000,000
EUR
|
59,000,000
EUR
|
514,000,000
EUR
|
182,000,000
EUR
|
696,000,000
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — |
1 366
EUR
|
514,000,000
EUR
|
— | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — |
192,000,000
EUR
|
59,000,000
EUR
|
— | — | — | — |