Disclosure Of Income Tax [Text Block]
| Concept |
As at 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 |
As at 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of income tax [text block] | — | — |
13. Ertragsteuern
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Major components of tax expense (income) [abstract] | ||||||||||||||||||||
| Tax expense (income) | — | — |
2,686,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,414,000,000
EUR
|
— |
| Income tax relating to components of other comprehensive income [abstract] | ||||||||||||||||||||
| Income tax relating to cash flow hedges included in other comprehensive income | — | — |
18,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
71,000,000
EUR
|
— |
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income | — | — |
36,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
12,000,000
EUR
|
— |
| Income tax relating to components of other comprehensive income | — |
0
EUR
|
2,000,000
EUR
|
0
EUR
|
15,000,000
EUR
|
10,000,000
EUR
|
0
EUR
|
26,000,000
EUR
|
17,000,000
EUR
|
33,000,000
EUR
|
11,000,000
EUR
|
57,000,000
EUR
|
55,000,000
EUR
|
— |
10,000,000
EUR
|
103,000,000
EUR
|
0
EUR
|
0
EUR
|
44,000,000
EUR
|
0
EUR
|
| Disclosure of temporary difference, unused tax losses and unused tax credits [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of temporary difference, unused tax losses and unused tax credits [abstract] | ||||||||||||||||||||
| Disclosure of temporary difference, unused tax losses and unused tax credits [line items] | ||||||||||||||||||||
| Deferred tax assets and liabilities [abstract] | ||||||||||||||||||||
| Deferred tax assets |
836,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
752,000,000
EUR
|
— | — | — | — | — | — |
| Deferred tax liabilities |
2,352,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
1,820,000,000
EUR
|
— | — | — | — | — | — |
| Reconciliation of changes in deferred tax liability (asset) [abstract] | ||||||||||||||||||||
| Changes in deferred tax liability (asset) [abstract] | ||||||||||||||||||||
| Reconciliation of accounting profit multiplied by applicable tax rates [abstract] |