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
|
—
EUR
|
134,000,000
EUR
|
— |
19,000,000
EUR
|
153,000,000
EUR
|
153,000,000
EUR
|
—
EUR
|
— |
—
EUR
|
—
EUR
|
—
EUR
|
1,525,000,000
EUR
|
1,452,000,000
EUR
|
1,452,000,000
EUR
|
73,000,000
EUR
|
| Cash flows from (used in) operations | — | — |
1,312,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,292,000,000
EUR
|
— | — | — |
| Dividends received, classified as operating activities | — | — |
2,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
2,000,000
EUR
|
— | — | — |
| Income taxes paid (refund), classified as operating activities | — | — |
178,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
196,000,000
EUR
|
— | — | — |
| Cash flows from (used in) operating activities | — | — |
1,359,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,448,000,000
EUR
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — |
37,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
—
EUR
|
— | — | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — | — |
25,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
7,000,000
EUR
|
— | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — |
830,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
508,000,000
EUR
|
— | — | — |
| Purchase of intangible assets, classified as investing activities | — | — |
16,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
12,000,000
EUR
|
— | — | — |
| Proceeds from sales of other long-term assets, classified as investing activities | — | — |
—
EUR
|
— | — | — | — | — | — | — | — | — |
642,000,000
EUR
|
— | — | — |
| Interest received, classified as investing activities | — | — |
38,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
6,000,000
EUR
|
— | — | — |
| Other inflows (outflows) of cash, classified as investing activities | — | — |
17,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
9,000,000
EUR
|
— | — | — |
| Cash flows from (used in) investing activities | — | — |
482,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
32,000,000
EUR
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||||||||
| Payments from changes in ownership interests in subsidiaries that do not result in loss of control | — | — |
8,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
—
EUR
|
— | — | — |
| Payments to acquire or redeem entity's shares | — | — |
8,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
7,000,000
EUR
|
— | — | — |
| Payments of lease liabilities, classified as financing activities | — | — |
22,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
21,000,000
EUR
|
— | — | — |
| Interest paid, classified as financing activities | — | — |
50,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
60,000,000
EUR
|
— | — | — |
| Other inflows (outflows) of cash, classified as financing activities | — | — |
—
EUR
|
— | — | — | — | — | — | — | — | — |
1,000,000
EUR
|
— | — | — |
| Cash flows from (used in) financing activities | — | — |
541,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
572,000,000
EUR
|
— | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — |
336,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
908,000,000
EUR
|
— | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — |
125,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
18,000,000
EUR
|
— | — | — |
| Cash and cash equivalents | — | — | — |
1,592,000,000
EUR
|
— | — | — | — |
1,067,000,000
EUR
|
— | — | — | — | — | — | — |