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 |
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) |
3,292,000,000
EUR
|
2,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
3,292,000,000
EUR
|
-
EUR
|
3 294
EUR
|
-
EUR
|
7 105
EUR
|
5,000,000
EUR
|
-
EUR
|
-
EUR
|
7,100,000,000
EUR
|
-
EUR
|
7,100,000,000
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 | — | — | — | — | — | — | — |
2,000,000
EUR
|
— |
21,000,000
EUR
|
— | — | — | — | — | — |
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans | — | — | — | — | — | — | — |
772,000,000
EUR
|
— |
282,000,000
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 | — | — | — | — | — | — | — |
3,000,000
EUR
|
— |
4,000,000
EUR
|
— | — | — | — | — | — |
| Cash flow hedges [abstract] | ||||||||||||||||
| Gains (losses) on cash flow hedges, before tax | — | — | — | — | — | — | — |
541,000,000
EUR
|
— |
946,000,000
EUR
|
— | — | — | — | — | — |
| Reclassification adjustments on cash flow hedges, before tax | — | — | — | — | — | — | — |
272,000,000
EUR
|
— |
969,000,000
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 | — | — | — | — | — | — | — |
171,000,000
EUR
|
— |
79,000,000
EUR
|
— | — | — | — | — | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | ||||||||||||||||
| Income tax relating to cash flow hedges included in other comprehensive income | — | — | — | — | — | — | — |
72,000,000
EUR
|
— |
10,000,000
EUR
|
— | — | — | — | — | — |
| Other comprehensive income |
797,000,000
EUR
|
2,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
797,000,000
EUR
|
-
EUR
|
799,000,000
EUR
|
-
EUR
|
215,000,000
EUR
|
1,000,000
EUR
|
-
EUR
|
-
EUR
|
214,000,000
EUR
|
-
EUR
|
214,000,000
EUR
|
| Comprehensive income |
2,495,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
2,495,000,000
EUR
|
-
EUR
|
2,495,000,000
EUR
|
-
EUR
|
7,320,000,000
EUR
|
6,000,000
EUR
|
-
EUR
|
-
EUR
|
7,314,000,000
EUR
|
-
EUR
|
7,314,000,000
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — | — |
2,495,000,000
EUR
|
— |
7,314,000,000
EUR
|
— | — | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — | — |
-
EUR
|
— |
6,000,000
EUR
|
— | — | — | — | — | — |