Statement Of Cash Flows [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
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 |
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 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||||||||
| Profit (loss) |
-
EUR
|
5,159,000,000
EUR
|
5,159,000,000
EUR
|
— |
122,000,000
EUR
|
-
EUR
|
5,037,000,000
EUR
|
-
EUR
|
— |
4,846,000,000
EUR
|
-
EUR
|
4,667,000,000
EUR
|
4,846,000,000
EUR
|
-
EUR
|
179,000,000
EUR
|
-
EUR
|
| Adjustments to reconcile profit (loss) [abstract] | ||||||||||||||||
| Adjustments for depreciation and amortisation expense | — | — |
2,915,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
2,971,000,000
EUR
|
— | — | — |
| Other adjustments for which cash effects are investing or financing cash flow | — | — |
308,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
505,000,000
EUR
|
— | — | — |
| Income taxes paid (refund), classified as operating activities | — | — |
2,413,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
2,300,000,000
EUR
|
— | — | — |
| Cash flows from (used in) operating activities | — | — |
8,197,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
8,349,000,000
EUR
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — |
175,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
12,000,000
EUR
|
— | — | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — |
589,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
766,000,000
EUR
|
— | — | — |
| Proceeds from sales of other long-term assets, classified as investing activities | — | — |
58,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
150,000,000
EUR
|
— | — | — |
| Purchase of other long-term assets, classified as investing activities | — | — |
117,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
115,000,000
EUR
|
— | — | — |
| Dividends received, classified as investing activities | — | — |
-
EUR
|
— | — | — | — | — | — | — | — | — |
1,000,000
EUR
|
— | — | — |
| Cash flows from (used in) investing activities | — | — |
1,880,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,999,000,000
EUR
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||||||||
| Proceeds from issuing shares | — | — |
57,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
86,000,000
EUR
|
— | — | — |
| Proceeds from borrowings, classified as financing activities | — | — |
9,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
2,018,000,000
EUR
|
— | — | — |
| Repayments of borrowings, classified as financing activities | — | — |
5,004,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
829,000,000
EUR
|
— | — | — |
| Dividends paid, classified as financing activities | — | — |
3,963,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
2,809,000,000
EUR
|
— | — | — |
| Cash flows from (used in) financing activities | — | — |
1 080,6
EUR
|
— | — | — | — | — | — | — | — | — |
4,120,000,000
EUR
|
— | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — |
367,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
223,000,000
EUR
|
— | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — |
4,856,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
2,453,000,000
EUR
|
— | — | — |
| Cash and cash equivalents | — | — | — |
1 173,9
EUR
|
— | — | — | — |
1 662,1
EUR
|
— | — | — | — | — | — | — |