Statement Of Cash Flows [Abstract]
| Concept |
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 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||
| Profit (loss) | — |
452,000,000
EUR
|
457,000,000
EUR
|
5,000,000
EUR
|
452,000,000
EUR
|
8,000,000
EUR
|
— |
410,000,000
EUR
|
410,000,000
EUR
|
402,000,000
EUR
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||
| Adjustments for income tax expense | — | — |
326,000,000
EUR
|
— | — | — | — | — | — |
133,000,000
EUR
|
— |
| Adjustments for decrease (increase) in trade accounts receivable | — | — |
372,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Adjustments for increase (decrease) in trade accounts payable | — | — |
88,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Adjustments for share-based payments | — | — |
38,000,000
EUR
|
— | — | — | — | — | — |
32,000,000
EUR
|
— |
| Other adjustments for non-cash items | — | — |
138,000,000
EUR
|
— | — | — | — | — | — |
39,000,000
EUR
|
— |
| Adjustments for losses (gains) on disposal of non-current assets | — | — |
125,000,000
EUR
|
— | — | — | — | — | — |
420,000,000
EUR
|
— |
| Income taxes paid (refund), classified as operating activities | — | — |
172,000,000
EUR
|
— | — | — | — | — | — |
106,000,000
EUR
|
— |
| Cash flows from (used in) operating activities | — | — |
4,570,000,000
EUR
|
— | — | — | — | — | — |
2,760,000,000
EUR
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — |
262,000,000
EUR
|
— | — | — | — | — | — |
721,000,000
EUR
|
— |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — |
156,000,000
EUR
|
— | — | — | — | — | — |
322,000,000
EUR
|
— |
| Purchase of property, plant and equipment, classified as investing activities | — | — |
9,642,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Purchase of intangible assets, classified as investing activities | — | — |
445,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Dividends received, classified as investing activities | — | — |
12,000,000
EUR
|
— | — | — | — | — | — |
19,000,000
EUR
|
— |
| Cash flows from (used in) investing activities | — | — |
1 113,7
EUR
|
— | — | — | — | — | — |
7,092,000,000
EUR
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||||||||
| Proceeds from issuing shares | — | — |
481,000,000
EUR
|
— | — | — | — | — | — |
5,921,000,000
EUR
|
— |
| Proceeds from borrowings, classified as financing activities | — | — |
1 192,4
EUR
|
— | — | — | — | — | — |
4,193,000,000
EUR
|
— |
| Repayments of borrowings, classified as financing activities | — | — |
4,392,000,000
EUR
|
— | — | — | — | — | — |
2,720,000,000
EUR
|
— |
| Dividends paid, classified as financing activities | — | — |
21,000,000
EUR
|
— | — | — | — | — | — |
2,000,000
EUR
|
— |
| Interest paid, classified as financing activities | — | — |
1,083,000,000
EUR
|
— | — | — | — | — | — |
813,000,000
EUR
|
— |
| Cash flows from (used in) financing activities | — | — |
6,813,000,000
EUR
|
— | — | — | — | — | — |
6,435,000,000
EUR
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — |
94,000,000
EUR
|
— | — | — | — | — | — |
73,000,000
EUR
|
— |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — |
302,000,000
EUR
|
— | — | — | — | — | — |
2,176,000,000
EUR
|
— |
| Cash and cash equivalents |
6,228,000,000
EUR
|
— | — | — | — | — |
5,926,000,000
EUR
|
— | — | — |
3,749,000,000
EUR
|