Statement Of Cash Flows [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||||||||
| Profit (loss) |
15 921
EUR
|
— |
9 617
EUR
|
6 304
EUR
|
6 304
EUR
|
— |
5 797
EUR
|
14 702
EUR
|
5 797
EUR
|
8 905
EUR
|
7,718,000,000
EUR
|
12 664
EUR
|
4,946,000,000
EUR
|
— |
12,664,000,000
EUR
|
4,946,000,000
EUR
|
| Adjustments to reconcile profit (loss) [abstract] | ||||||||||||||||
| Other adjustments to reconcile profit (loss) |
260,000,000
EUR
|
— | — | — | — | — | — |
483,000,000
EUR
|
— | — | — |
400,000,000
EUR
|
— | — | — | — |
| Income taxes paid (refund), classified as operating activities |
5 729
EUR
|
— | — | — | — | — | — |
5 603
EUR
|
— | — | — |
4 239
EUR
|
— | — | — | — |
| Cash flows from (used in) operating activities |
18 397
EUR
|
— | — | — | — | — | — |
17 830
EUR
|
— | — | — |
18 636
EUR
|
— | — | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||||||||
| Dividends received, classified as investing activities |
5,000,000
EUR
|
— | — | — | — | — | — |
7,000,000
EUR
|
— | — | — |
10,000,000
EUR
|
— | — | — | — |
| Income taxes paid (refund), classified as investing activities |
-
EUR
|
— | — | — | — | — | — |
-
EUR
|
— | — | — |
-
EUR
|
— | — | — | — |
| Cash flows from (used in) investing activities |
8 310
EUR
|
— | — | — | — | — | — |
5 920
EUR
|
— | — | — |
15 979
EUR
|
— | — | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||||||||
| Proceeds from borrowings, classified as financing activities |
5 990
EUR
|
— | — | — | — | — | — |
3 774
EUR
|
— | — | — |
251,000,000
EUR
|
— | — | — | — |
| Repayments of borrowings, classified as financing activities |
3 968
EUR
|
— | — | — | — | — | — |
3 891
EUR
|
— | — | — |
6 763
EUR
|
— | — | — | — |
| Payments of lease liabilities, classified as financing activities |
2 818
EUR
|
— | — | — | — | — | — |
2 751
EUR
|
— | — | — |
2 453
EUR
|
— | — | — | — |
| Dividends paid, classified as financing activities |
6 849
EUR
|
— | — | — | — | — | — |
6 465
EUR
|
— | — | — |
3 967
EUR
|
— | — | — | — |
| Cash flows from (used in) financing activities |
9 536
EUR
|
— | — | — | — | — | — |
12 495
EUR
|
— | — | — |
15 438
EUR
|
— | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents |
273,000,000
EUR
|
— | — | — | — | — | — |
55,000,000
EUR
|
— | — | — |
498,000,000
EUR
|
— | — | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes |
278,000,000
EUR
|
— | — | — | — | — | — |
530,000,000
EUR
|
— | — | — |
12 283
EUR
|
— | — | — | — |
| Cash and cash equivalents | — |
7 921
EUR
|
— | — | — |
7 588
EUR
|
— | — | — | — | — | — | — |
8 122
EUR
|
— | — |