Analysis Of Income And Expense [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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||
| Revenue [abstract] | ||||||||||
| Revenue | — |
4,914,000,000
EUR
|
— | — | — | — | — |
4,947,000,000
EUR
|
— | — |
| Material income and expense [abstract] | ||||||||||
| Operating expense | — |
4,455,000,000
EUR
|
— | — | — | — | — |
4,805,000,000
EUR
|
— | — |
| Expenses by nature [abstract] | ||||||||||
| Classes of employee benefits expense [abstract] | ||||||||||
| Employee benefits expense | — |
1,085,000,000
EUR
|
— | — | — | — | — |
1,047,000,000
EUR
|
— | — |
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract] | ||||||||||
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss | — |
275,000,000
EUR
|
— | — | — | — | — |
265,000,000
EUR
|
— | — |
| Other expenses, by nature | — |
1,959,000,000
EUR
|
— | — | — | — | — |
2,318,000,000
EUR
|
— | — |
| Miscellaneous other comprehensive income [abstract] | ||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations | — |
0
EUR
|
1,000,000
EUR
|
0
EUR
|
2,000,000
EUR
|
— |
0
EUR
|
19,000,000
EUR
|
8,000,000
EUR
|
11,000,000
EUR
|
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||
| Share of profit (loss) of associates accounted for using equity method | — |
6,000,000
EUR
|
— | — | — | — | — |
17,000,000
EUR
|
— | — |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax [abstract] | ||||||||||
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, net of tax | — |
-
EUR
|
— | — | — | — | — |
22,000,000
EUR
|
22,000,000
EUR
|
— |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income |
-
EUR
|
378,000,000
EUR
|
376,000,000
EUR
|
0
EUR
|
2,000,000
EUR
|
-
EUR
|
0
EUR
|
230,000,000
EUR
|
241,000,000
EUR
|
11,000,000
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income, attributable to owners of parent | — |
378,000,000
EUR
|
— | — | — | — | — |
230,000,000
EUR
|
— | — |