Statement Of Cash Flows [Abstract]
| Concept |
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 |
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 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||
| Profit (loss) |
1,000,000
EUR
|
3,989,000,000
EUR
|
— |
3,989,000,000
EUR
|
3,989,000,000
EUR
|
4,251,000,000
EUR
|
— |
4,251,000,000
EUR
|
4,251,000,000
EUR
|
— |
| Adjustments to reconcile profit (loss) [abstract] | ||||||||||
| Adjustments for income tax expense | — |
1,379,000,000
EUR
|
— | — | — |
1,410,000,000
EUR
|
— | — | — | — |
| Adjustments for decrease (increase) in inventories | — |
27,000,000
EUR
|
— | — | — |
33,000,000
EUR
|
— | — | — | — |
| Adjustments for provisions | — |
92,000,000
EUR
|
— | — | — |
62,000,000
EUR
|
— | — | — | — |
| Other adjustments for non-cash items | — |
76,000,000
EUR
|
— | — | — |
10,000,000
EUR
|
— | — | — | — |
| Adjustments for losses (gains) on disposal of non-current assets | — |
10,000,000
EUR
|
— | — | — |
48,000,000
EUR
|
— | — | — | — |
| Interest received, classified as operating activities | — |
394,000,000
EUR
|
— | — | — |
568,000,000
EUR
|
— | — | — | — |
| Cash flows from (used in) operating activities | — |
5,770,000,000
EUR
|
— | — | — |
6,289,000,000
EUR
|
— | — | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — |
12,000,000
EUR
|
— | — | — |
98,000,000
EUR
|
— | — | — | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
2 177,3
EUR
|
— | — | — |
2,119,000,000
EUR
|
— | — | — | — |
| Dividends received, classified as investing activities | — |
11,000,000
EUR
|
— | — | — |
12,000,000
EUR
|
— | — | — | — |
| Other inflows (outflows) of cash, classified as investing activities | — |
13,000,000
EUR
|
— | — | — |
42,000,000
EUR
|
— | — | — | — |
| Cash flows from (used in) investing activities | — |
1 762,3
EUR
|
— | — | — |
217,000,000
EUR
|
— | — | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||
| Repayments of borrowings, classified as financing activities | — |
2 164,8
EUR
|
— | — | — |
2,978,000,000
EUR
|
— | — | — | — |
| Payments of lease liabilities, classified as financing activities | — |
102,000,000
EUR
|
— | — | — |
82,000,000
EUR
|
— | — | — | — |
| Interest paid, classified as financing activities | — |
319,000,000
EUR
|
— | — | — |
147,000,000
EUR
|
— | — | — | — |
| Other inflows (outflows) of cash, classified as financing activities | — |
204,000,000
EUR
|
— | — | — |
63,000,000
EUR
|
— | — | — | — |
| Cash flows from (used in) financing activities | — |
1 334,7
EUR
|
— | — | — |
5,805,000,000
EUR
|
— | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
59,000,000
EUR
|
— | — | — |
10,000,000
EUR
|
— | — | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
1,435,000,000
EUR
|
— | — | — |
277,000,000
EUR
|
— | — | — | — |
| Cash and cash equivalents | — | — |
6,836,000,000
EUR
|
— | — | — |
5,386,000,000
EUR
|
— | — |
5,134,000,000
EUR
|