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 |
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 |
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] | ||||||||||||||||||||||
| 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 |
847,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
5,877,000,000
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 |
8,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
44,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Reclassification adjustments on cash flow hedges, before tax |
22,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
128,000,000
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 |
260,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
1,771,000,000
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 |
10,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
13,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Other comprehensive income |
1,040,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
5,297,000,000
EUR
|
— |
2,000,000
EUR
|
70,000,000
EUR
|
51,000,000
EUR
|
144,000,000
EUR
|
5,299,000,000
EUR
|
4,106,000,000
EUR
|
— |
928,000,000
EUR
|
| Comprehensive income |
2,104,000,000
EUR
|
587,000,000
EUR
|
2,021,000,000
EUR
|
84,000,000
EUR
|
6,000,000
EUR
|
3,058,000,000
EUR
|
0
EUR
|
788,000,000
EUR
|
0
EUR
|
312,000,000
EUR
|
19,000,000
EUR
|
0
EUR
|
6,355,000,000
EUR
|
980,000,000
EUR
|
76,000,000
EUR
|
70,000,000
EUR
|
51,000,000
EUR
|
144,000,000
EUR
|
6,279,000,000
EUR
|
4,106,000,000
EUR
|
0
EUR
|
928,000,000
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||||||||
| Comprehensive income, attributable to owners of parent |
2,021,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
6,279,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests |
84,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
76,000,000
EUR
|
— | — | — | — | — | — | — | — | — |