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) |
-
EUR
|
-
EUR
|
-
EUR
|
2,543,000,000
EUR
|
-
EUR
|
2,543,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
4,762,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
4,762,000,000
EUR
|
-
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 | — | — | — |
116,000,000
EUR
|
— | — | — | — | — |
499,000,000
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 | — | — | — |
77,000,000
EUR
|
— | — | — | — | — |
138,000,000
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 | — | — | — |
23,000,000
EUR
|
— | — | — | — | — |
100,000,000
EUR
|
— | — | — | — | — | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | ||||||||||||||||
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — | — | — |
42,000,000
EUR
|
— | — | — | — | — |
1,000,000
EUR
|
— | — | — | — | — | — |
| Other comprehensive income |
-
EUR
|
-
EUR
|
-
EUR
|
58,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
58,000,000
EUR
|
-
EUR
|
262,000,000
EUR
|
-
EUR
|
-
EUR
|
262,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
| Comprehensive income |
-
EUR
|
-
EUR
|
-
EUR
|
2,600,000,000
EUR
|
-
EUR
|
2,543,000,000
EUR
|
-
EUR
|
58,000,000
EUR
|
-
EUR
|
4,500,000,000
EUR
|
-
EUR
|
-
EUR
|
262,000,000
EUR
|
-
EUR
|
4,762,000,000
EUR
|
-
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
2,600,000,000
EUR
|
— | — | — | — | — |
4,500,000,000
EUR
|
— | — | — | — | — | — |