Statement Of Changes In Equity [Abstract]
| Concept |
As at 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 |
2022-12-01 to 2022-12-31 |
2022-12-01 to 2022-12-31 |
2022-12-01 to 2022-12-31 |
2022-12-01 to 2022-12-31 |
2022-12-01 to 2022-12-31 |
2022-12-01 to 2022-12-31 |
2022-12-01 to 2022-12-31 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
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 |
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 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity |
6,254,000,000
EUR
|
— |
182,000,000
EUR
|
460,000,000
EUR
|
5,895,000,000
EUR
|
16,000,000
EUR
|
97,000,000
EUR
|
5,794,000,000
EUR
|
— | — | — | — | — | — | — |
4,544,000,000
EUR
|
4,749,000,000
EUR
|
97,000,000
EUR
|
386,000,000
EUR
|
18,000,000
EUR
|
4,930,000,000
EUR
|
284,000,000
EUR
|
— | — | — |
18,000,000
EUR
|
— |
4,889,000,000
EUR
|
4,889,000,000
EUR
|
341,000,000
EUR
|
—
EUR
|
4,760,000,000
EUR
|
41,000,000
EUR
|
4,498,000,000
EUR
|
97,000,000
EUR
|
391,000,000
EUR
|
11,000,000
EUR
|
46,000,000
EUR
|
5,000,000
EUR
|
57,000,000
EUR
|
—
EUR
|
— | — | — |
4,300,000,000
EUR
|
380,000,000
EUR
|
4,002,000,000
EUR
|
97,000,000
EUR
|
18,000,000
EUR
|
377,000,000
EUR
|
4,382,000,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
1,525,000,000
EUR
|
— | — | — | — | — | — |
1,525,000,000
EUR
|
1,452,000,000
EUR
|
—
EUR
|
73,000,000
EUR
|
—
EUR
|
1,452,000,000
EUR
|
—
EUR
|
— | — | — | — | — | — | — |
17,000,000
EUR
|
—
EUR
|
—
EUR
|
— |
756,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
—
EUR
|
773,000,000
EUR
|
756,000,000
EUR
|
— | — | — | — | — | — | — |
| Other comprehensive income | — |
111,000,000
EUR
|
— | — | — | — | — | — |
111,000,000
EUR
|
105,000,000
EUR
|
105,000,000
EUR
|
6,000,000
EUR
|
—
EUR
|
—
EUR
|
—
EUR
|
— | — | — | — | — | — | — |
4,000,000
EUR
|
—
EUR
|
38,000,000
EUR
|
— |
38,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
—
EUR
|
34,000,000
EUR
|
—
EUR
|
— | — | — | — | — | — | — |
| Comprehensive income | — |
1,636,000,000
EUR
|
— | — | — | — | — | — |
1,636,000,000
EUR
|
1,557,000,000
EUR
|
105,000,000
EUR
|
79,000,000
EUR
|
—
EUR
|
1,452,000,000
EUR
|
—
EUR
|
— | — | — | — | — | — | — |
13,000,000
EUR
|
—
EUR
|
38,000,000
EUR
|
— |
794,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
—
EUR
|
807,000,000
EUR
|
756,000,000
EUR
|
— | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — | — | — | — | — | — | — |
330,000,000
EUR
|
321,000,000
EUR
|
—
EUR
|
9,000,000
EUR
|
—
EUR
|
321,000,000
EUR
|
—
EUR
|
— | — | — | — | — | — | — |
6,000,000
EUR
|
—
EUR
|
—
EUR
|
— |
298,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
—
EUR
|
304,000,000
EUR
|
298,000,000
EUR
|
— | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — | — | — | — | — | — | — |
1,000,000
EUR
|
2,000,000
EUR
|
—
EUR
|
3,000,000
EUR
|
—
EUR
|
2,000,000
EUR
|
—
EUR
|
— | — | — | — | — | — | — |
—
EUR
|
—
EUR
|
2,000,000
EUR
|
— |
2,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
—
EUR
|
2,000,000
EUR
|
—
EUR
|
— | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — | — | — | — | — | — | — | — |
—
EUR
|
—
EUR
|
—
EUR
|
—
EUR
|
—
EUR
|
9,000,000
EUR
|
9,000,000
EUR
|
— | — | — | — | — | — | — |
—
EUR
|
7,000,000
EUR
|
—
EUR
|
— |
—
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
—
EUR
|
—
EUR
|
7,000,000
EUR
|
— | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
3,000,000
EUR
|
—
EUR
|
—
EUR
|
— |
—
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
—
EUR
|
3,000,000
EUR
|
—
EUR
|
— | — | — | — | — | — | — |