Statement Of Comprehensive Income [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||
| Profit (loss) |
0
EUR
|
2,168,000,000
EUR
|
0
EUR
|
0
EUR
|
2,168,000,000
EUR
|
0
EUR
|
2,168,000,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
3,495,000,000
EUR
|
3,495,000,000
EUR
|
3,495,000,000
EUR
|
0
EUR
|
0
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 |
0
EUR
|
162,000,000
EUR
|
0
EUR
|
162,000,000
EUR
|
0
EUR
|
0
EUR
|
162,000,000
EUR
|
0
EUR
|
0
EUR
|
370,000,000
EUR
|
0
EUR
|
370,000,000
EUR
|
370,000,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — |
162,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
370,000,000
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 |
0
EUR
|
3,000,000
EUR
|
0
EUR
|
0
EUR
|
13,000,000
EUR
|
0
EUR
|
13,000,000
EUR
|
10,000,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
29,000,000
EUR
|
5,000,000
EUR
|
5,000,000
EUR
|
24,000,000
EUR
|
0
EUR
|
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — |
3,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
29,000,000
EUR
|
— | — | — | — |
| Other comprehensive income | — |
165,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
342,000,000
EUR
|
— | — | — | — |
| Comprehensive income | — |
2,003,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
3,837,000,000
EUR
|
— | — | — | — |
| Comprehensive income attributable to [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — |
2,003,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
3,837,000,000
EUR
|
— | — | — | — |