Statement Of Cash Flows [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||
| Profit (loss) |
50,000,000
EUR
|
668,000,000
EUR
|
718,000,000
EUR
|
— |
668,000,000
EUR
|
907,000,000
EUR
|
— |
56,000,000
EUR
|
851,000,000
EUR
|
851,000,000
EUR
|
| Adjustments to reconcile profit (loss) [abstract] | ||||||||||
| Other adjustments for non-cash items | — | — |
128,000,000
EUR
|
— | — |
48,000,000
EUR
|
— | — | — | — |
| Adjustments for losses (gains) on disposal of non-current assets | — | — |
37,000,000
EUR
|
— | — |
23,000,000
EUR
|
— | — | — | — |
| Income taxes paid (refund), classified as operating activities | — | — |
826,000,000
EUR
|
— | — |
453,000,000
EUR
|
— | — | — | — |
| Cash flows from (used in) operating activities | — | — |
3,121,000,000
EUR
|
— | — |
2,937,000,000
EUR
|
— | — | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — |
0
EUR
|
— | — |
0
EUR
|
— | — | — | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — |
42,000,000
EUR
|
— | — |
83,000,000
EUR
|
— | — | — | — |
| Proceeds from government grants, classified as investing activities | — | — |
17,000,000
EUR
|
— | — |
22,000,000
EUR
|
— | — | — | — |
| Dividends received, classified as investing activities | — | — |
13,000,000
EUR
|
— | — |
6,000,000
EUR
|
— | — | — | — |
| Cash flows from (used in) investing activities | — | — |
1,893,000,000
EUR
|
— | — |
1,895,000,000
EUR
|
— | — | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||
| Proceeds from borrowings, classified as financing activities | — | — |
4,810,000,000
EUR
|
— | — |
6,140,000,000
EUR
|
— | — | — | — |
| Repayments of borrowings, classified as financing activities | — | — |
6,178,000,000
EUR
|
— | — |
5,680,000,000
EUR
|
— | — | — | — |
| Payments of lease liabilities, classified as financing activities | — | — |
289,000,000
EUR
|
— | — |
258,000,000
EUR
|
— | — | — | — |
| Dividends paid, classified as financing activities | — | — |
242,000,000
EUR
|
— | — |
345,000,000
EUR
|
— | — | — | — |
| Interest paid, classified as financing activities | — | — |
526,000,000
EUR
|
— | — |
464,000,000
EUR
|
— | — | — | — |
| Cash flows from (used in) financing activities | — | — |
2,447,000,000
EUR
|
— | — |
619,000,000
EUR
|
— | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — |
78,000,000
EUR
|
— | — |
53,000,000
EUR
|
— | — | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — |
1,220,000,000
EUR
|
— | — |
422,000,000
EUR
|
— | — | — | — |
| Cash and cash equivalents | — | — | — |
5,107,000,000
EUR
|
— | — |
6,417,000,000
EUR
|
— | — | — |