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 |
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 |
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) |
153,000,000
EUR
|
EUR
|
EUR
|
EUR
|
EUR
|
EUR
|
1,301,000,000
EUR
|
1,454,000,000
EUR
|
1,301,000,000
EUR
|
492,000,000
EUR
|
EUR
|
625,000,000
EUR
|
EUR
|
133,000,000
EUR
|
EUR
|
492,000,000
EUR
|
EUR
|
EUR
|
| Other comprehensive income [abstract] | ||||||||||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||||||
| Other comprehensive income, net of tax, gains (losses) from investments in equity instruments |
EUR
|
EUR
|
EUR
|
EUR
|
EUR
|
1,000,000
EUR
|
1,000,000
EUR
|
1,000,000
EUR
|
EUR
|
EUR
|
EUR
|
1,000,000
EUR
|
EUR
|
EUR
|
EUR
|
1,000,000
EUR
|
EUR
|
1,000,000
EUR
|
| Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans |
1,000,000
EUR
|
EUR
|
EUR
|
EUR
|
EUR
|
EUR
|
15,000,000
EUR
|
16,000,000
EUR
|
15,000,000
EUR
|
7,000,000
EUR
|
EUR
|
8,000,000
EUR
|
EUR
|
1,000,000
EUR
|
EUR
|
7,000,000
EUR
|
EUR
|
EUR
|
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — | — | — | — | — | — | — |
17,000,000
EUR
|
— | — | — |
9,000,000
EUR
|
— | — | — | — | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||||||
| Exchange differences on translation [abstract] | ||||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations |
1,000,000
EUR
|
EUR
|
EUR
|
EUR
|
32,000,000
EUR
|
EUR
|
32,000,000
EUR
|
33,000,000
EUR
|
EUR
|
EUR
|
EUR
|
52,000,000
EUR
|
52,000,000
EUR
|
EUR
|
EUR
|
52,000,000
EUR
|
EUR
|
EUR
|
| Cash flow hedges [abstract] | ||||||||||||||||||
| Gains (losses) on cash flow hedges, net of tax |
EUR
|
9,000,000
EUR
|
EUR
|
EUR
|
EUR
|
EUR
|
9,000,000
EUR
|
9,000,000
EUR
|
EUR
|
EUR
|
EUR
|
14,000,000
EUR
|
EUR
|
EUR
|
14,000,000
EUR
|
14,000,000
EUR
|
EUR
|
EUR
|
| Reclassification adjustments on cash flow hedges, net of tax |
EUR
|
EUR
|
EUR
|
EUR
|
EUR
|
EUR
|
EUR
|
–
EUR
|
EUR
|
EUR
|
EUR
|
–
EUR
|
EUR
|
EUR
|
EUR
|
EUR
|
EUR
|
EUR
|
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — | — | — | — | — | — | — |
42,000,000
EUR
|
— | — | — |
66,000,000
EUR
|
— | — | — | — | — | — |
| Other comprehensive income | — | — | — | — | — | — | — |
59,000,000
EUR
|
— | — | — |
57,000,000
EUR
|
— | — | — | — | — | — |
| Comprehensive income |
155,000,000
EUR
|
EUR
|
EUR
|
EUR
|
32,000,000
EUR
|
1,000,000
EUR
|
1,358,000,000
EUR
|
1,513,000,000
EUR
|
1,316,000,000
EUR
|
499,000,000
EUR
|
EUR
|
568,000,000
EUR
|
52,000,000
EUR
|
134,000,000
EUR
|
14,000,000
EUR
|
434,000,000
EUR
|
EUR
|
1,000,000
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — | — |
1,358,000,000
EUR
|
— | — | — |
434,000,000
EUR
|
— | — | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — | — |
155,000,000
EUR
|
— | — | — |
134,000,000
EUR
|
— | — | — | — | — | — |