Statement Of Cash Flows [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||
| Cash flows from (used in) operating activities [abstract] | |||||
| Dividends received, classified as operating activities |
65,000,000
EUR
|
— |
64,000,000
EUR
|
— | — |
| Interest paid, classified as operating activities |
4,245,000,000
EUR
|
— |
4,086,000,000
EUR
|
— | — |
| Interest received, classified as operating activities |
10,301,000,000
EUR
|
— |
9,762,000,000
EUR
|
— | — |
| Income taxes paid (refund), classified as operating activities |
1,086,000,000
EUR
|
— |
834,000,000
EUR
|
— | — |
| Cash flows from (used in) operating activities |
643,000,000
EUR
|
— |
1,967,000,000
EUR
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities |
962,000,000
EUR
|
— |
0
EUR
|
— | — |
| Other cash receipts from sales of equity or debt instruments of other entities, classified as investing activities |
2,401,000,000
EUR
|
— |
2,971,000,000
EUR
|
— | — |
| Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities |
7,421,000,000
EUR
|
— |
9,171,000,000
EUR
|
— | — |
| Other inflows (outflows) of cash, classified as investing activities |
5,000,000
EUR
|
— |
6,000,000
EUR
|
— | — |
| Cash flows from (used in) investing activities |
6,399,000,000
EUR
|
— |
6,622,000,000
EUR
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from changes in ownership interests in subsidiaries that do not result in loss of control |
0
EUR
|
— |
0
EUR
|
— | — |
| Proceeds from issuing shares |
645,000,000
EUR
|
— |
0
EUR
|
— | — |
| Payments to acquire or redeem entity's shares |
472,000,000
EUR
|
— |
2,000,000
EUR
|
— | — |
| Payments of lease liabilities, classified as financing activities |
59,000,000
EUR
|
— |
105,000,000
EUR
|
— | — |
| Dividends paid, classified as financing activities |
605,000,000
EUR
|
— |
429,000,000
EUR
|
— | — |
| Cash flows from (used in) financing activities |
447,000,000
EUR
|
— |
1,118,000,000
EUR
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents |
876,000,000
EUR
|
— |
741,000,000
EUR
|
— | — |
| Cash and cash equivalents | — |
34,871,000,000
EUR
|
— |
43,234,000,000
EUR
|
53,683,000,000
EUR
|