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) |
11,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
2,565,000,000
EUR
|
2,554,000,000
EUR
|
2,565,000,000
EUR
|
1,388,000,000
EUR
|
-
EUR
|
1,377,000,000
EUR
|
-
EUR
|
11,000,000
EUR
|
-
EUR
|
-
EUR
|
1,388,000,000
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) on remeasurements of defined benefit plans | — | — | — | — | — | — | — |
52,000,000
EUR
|
— | — | — |
-
EUR
|
— | — | — | — | — | — |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will not be reclassified to profit or loss, net of tax | — | — | — | — | — | — | — |
129,000,000
EUR
|
— | — | — |
157,000,000
EUR
|
— | — | — | — | — | — |
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — | — | — | — | — | — | — |
181,000,000
EUR
|
— | — | — |
157,000,000
EUR
|
— | — | — | — | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||||||
| Exchange differences on translation [abstract] | ||||||||||||||||||
| Gains (losses) on exchange differences on translation of foreign operations, net of tax | — | — | — | — | — | — | — |
1,000,000
EUR
|
— | — | — |
7,000,000
EUR
|
— | — | — | — | — | — |
| Cash flow hedges [abstract] | ||||||||||||||||||
| Gains (losses) on cash flow hedges, net of tax | — | — | — | — | — | — | — |
-
EUR
|
— | — | — |
3,000,000
EUR
|
— | — | — | — | — | — |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, net of tax | — | — | — | — | — | — | — |
273,000,000
EUR
|
— | — | — |
105,000,000
EUR
|
— | — | — | — | — | — |
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — | — | — | — | — | — | — |
272,000,000
EUR
|
— | — | — |
101,000,000
EUR
|
— | — | — | — | — | — |
| Other comprehensive income |
-
EUR
|
-
EUR
|
208,000,000
EUR
|
-
EUR
|
-
EUR
|
111,000,000
EUR
|
453,000,000
EUR
|
453,000,000
EUR
|
134,000,000
EUR
|
186,000,000
EUR
|
-
EUR
|
258,000,000
EUR
|
242,000,000
EUR
|
-
EUR
|
-
EUR
|
170,000,000
EUR
|
258,000,000
EUR
|
-
EUR
|
| Comprehensive income |
11,000,000
EUR
|
-
EUR
|
208,000,000
EUR
|
-
EUR
|
-
EUR
|
111,000,000
EUR
|
3,018,000,000
EUR
|
3,007,000,000
EUR
|
2,699,000,000
EUR
|
1,574,000,000
EUR
|
-
EUR
|
1,635,000,000
EUR
|
242,000,000
EUR
|
11,000,000
EUR
|
-
EUR
|
170,000,000
EUR
|
1,646,000,000
EUR
|
-
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — | — |
3,018,000,000
EUR
|
— | — | — |
1,646,000,000
EUR
|
— | — | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — | — |
11,000,000
EUR
|
— | — | — |
11,000,000
EUR
|
— | — | — | — | — | — |