Statement Of Comprehensive Income [Abstract]
| Concept |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||||||
| Profit (loss) |
0
EUR
|
2,317,000,000
EUR
|
2,325,000,000
EUR
|
8,000,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
2,325,000,000
EUR
|
0
EUR
|
6,000,000
EUR
|
0
EUR
|
2,509,000,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
2,502,000,000
EUR
|
2,509,000,000
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) on remeasurements of defined benefit plans | — |
53,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
22,000,000
EUR
|
— |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||||||||||
| Cash flow hedges [abstract] | ||||||||||||||||||||
| Gains (losses) on cash flow hedges, before tax | — |
25,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
25,000,000
EUR
|
— |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||||||||||||||
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income | — |
10,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
4,000,000
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 | — |
6,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
6,000,000
EUR
|
— |
| Other comprehensive income |
0
EUR
|
442,000,000
EUR
|
2,502,000,000
EUR
|
0
EUR
|
19,000,000
EUR
|
2,502,000,000
EUR
|
78,000,000
EUR
|
43,000,000
EUR
|
442,000,000
EUR
|
458,000,000
EUR
|
0
EUR
|
19,000,000
EUR
|
537,000,000
EUR
|
97,000,000
EUR
|
192,000,000
EUR
|
19,000,000
EUR
|
597,000,000
EUR
|
0
EUR
|
537,000,000
EUR
|
192,000,000
EUR
|
| Comprehensive income |
0
EUR
|
2,759,000,000
EUR
|
178,000,000
EUR
|
8,000,000
EUR
|
19,000,000
EUR
|
2,502,000,000
EUR
|
78,000,000
EUR
|
43,000,000
EUR
|
2,767,000,000
EUR
|
458,000,000
EUR
|
6,000,000
EUR
|
19,000,000
EUR
|
3,046,000,000
EUR
|
97,000,000
EUR
|
192,000,000
EUR
|
19,000,000
EUR
|
597,000,000
EUR
|
0
EUR
|
3,040,000,000
EUR
|
2,701,000,000
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — |
2,767,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
3,046,000,000
EUR
|
— |
| Comprehensive income, attributable to non-controlling interests | — |
8,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
6,000,000
EUR
|
— |