Statement Of Changes In Equity [Abstract]
| 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 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
As at 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 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 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 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||
| Equity |
1 067,4
EUR
|
— | — | — | — |
640,000,000
EUR
|
1,339,000,000
EUR
|
4,264,000,000
EUR
|
1,518,000,000
EUR
|
4,133,000,000
EUR
|
1,408,000,000
EUR
|
1 003,4
EUR
|
— |
3,223,000,000
EUR
|
— | — |
1,651,000,000
EUR
|
1,685,000,000
EUR
|
— | — | — |
7,997,000,000
EUR
|
— |
3,367,000,000
EUR
|
— |
7,464,000,000
EUR
|
1,385,000,000
EUR
|
1,455,000,000
EUR
|
4,133,000,000
EUR
|
533,000,000
EUR
|
— | — | — |
1,060,000,000
EUR
|
395,000,000
EUR
|
36,000,000
EUR
|
5,383,000,000
EUR
|
4,167,000,000
EUR
|
1,490,000,000
EUR
|
1,682,000,000
EUR
|
5,778,000,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
3,556,000,000
EUR
|
3,420,000,000
EUR
|
136,000,000
EUR
|
— | — | — | — | — | — | — | — |
3,420,000,000
EUR
|
— | — |
67,000,000
EUR
|
— | — | — | — |
2,426,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
2,493,000,000
EUR
|
2,426,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Other comprehensive income | — |
11,000,000
EUR
|
251,000,000
EUR
|
118,000,000
EUR
|
169,000,000
EUR
|
— | — | — | — | — | — | — |
129,000,000
EUR
|
— |
47,000,000
EUR
|
1,000,000
EUR
|
— | — |
3,403,000,000
EUR
|
— |
2,596,000,000
EUR
|
— | — | — |
35,000,000
EUR
|
— | — | — | — | — | — |
2,597,000,000
EUR
|
842,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Comprehensive income | — |
3,567,000,000
EUR
|
3,671,000,000
EUR
|
18,000,000
EUR
|
169,000,000
EUR
|
— | — | — | — | — | — | — |
3,549,000,000
EUR
|
— |
47,000,000
EUR
|
68,000,000
EUR
|
— | — |
3,403,000,000
EUR
|
— |
5,022,000,000
EUR
|
— | — | — |
35,000,000
EUR
|
— | — | — | — | — | — |
5,090,000,000
EUR
|
1,584,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
1,242,000,000
EUR
|
1,227,000,000
EUR
|
15,000,000
EUR
|
— | — | — | — | — | — | — | — |
1,227,000,000
EUR
|
— | — |
22,000,000
EUR
|
— | — | — | — |
1,142,000,000
EUR
|
— |
—
EUR
|
— | — | — | — | — | — | — |
—
EUR
|
1,164,000,000
EUR
|
1,142,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
1,000,000
EUR
|
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,000,000
EUR
|
— | — |
—
EUR
|
— | — |
—
EUR
|
—
EUR
|
28,000,000
EUR
|
— |
—
EUR
|
— |
—
EUR
|
— | — | — | — | — |
—
EUR
|
28,000,000
EUR
|
28,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — |
214,000,000
EUR
|
158,000,000
EUR
|
81,000,000
EUR
|
25,000,000
EUR
|
— | — | — | — | — | — | — |
133,000,000
EUR
|
— | — |
—
EUR
|
— | — | — | — |
—
EUR
|
— | — | — |
—
EUR
|
— | — | — | — | — | — |
—
EUR
|
—
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
57,000,000
EUR
|
57,000,000
EUR
|
—
EUR
|
— | — | — | — | — | — | — | — |
57,000,000
EUR
|
— | — |
2,000,000
EUR
|
— | — | — | — |
86,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
84,000,000
EUR
|
86,000,000
EUR
|
— | — | — | — | — | — | — | — |