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 |
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) |
950,000,000
EUR
|
— | — | — |
788,000,000
EUR
|
162,000,000
EUR
|
788,000,000
EUR
|
3,788,000,000
EUR
|
3,215,000,000
EUR
|
— | — |
573,000,000
EUR
|
3,788,000,000
EUR
|
— |
| Other comprehensive income [abstract] | ||||||||||||||
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — | — | — | — | — |
451,000,000
EUR
|
— | — |
381,000,000
EUR
|
— | — | — | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||
| Cash flow hedges [abstract] | ||||||||||||||
| Gains (losses) on cash flow hedges, net of tax | — | — | — | — | — |
109,000,000
EUR
|
— | — |
143,000,000
EUR
|
— | — | — | — | — |
| Reclassification adjustments on cash flow hedges, net of tax | — | — | — | — | — |
70,000,000
EUR
|
— | — |
120,000,000
EUR
|
— | — | — | — | — |
| Other comprehensive income, net of tax, cash flow hedges | — | — | — | — | — |
39,000,000
EUR
|
— | — |
23,000,000
EUR
|
— | — | — | — | — |
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — | — | — | — | — |
2,594,000,000
EUR
|
— | — |
3,333,000,000
EUR
|
— | — | — | — | — |
| Other comprehensive income |
353,000,000
EUR
|
28,000,000
EUR
|
522,000,000
EUR
|
2,207,000,000
EUR
|
2,757,000,000
EUR
|
3,110,000,000
EUR
|
— | — |
3,774,000,000
EUR
|
3,122,000,000
EUR
|
14,000,000
EUR
|
193,000,000
EUR
|
3,581,000,000
EUR
|
445,000,000
EUR
|
| Comprehensive income |
1,303,000,000
EUR
|
28,000,000
EUR
|
522,000,000
EUR
|
2,207,000,000
EUR
|
1,969,000,000
EUR
|
3,272,000,000
EUR
|
788,000,000
EUR
|
3,788,000,000
EUR
|
6,989,000,000
EUR
|
3,122,000,000
EUR
|
14,000,000
EUR
|
380,000,000
EUR
|
7,369,000,000
EUR
|
445,000,000
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — |
1,969,000,000
EUR
|
— | — |
7,369,000,000
EUR
|
— | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — |
1,303,000,000
EUR
|
— | — |
380,000,000
EUR
|
— | — | — | — | — |