Statement Of Cash Flows [Abstract]
| Concept |
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 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||
| Profit (loss) |
21,000,000
EUR
|
— |
746,000,000
EUR
|
767,000,000
EUR
|
746,000,000
EUR
|
465,000,000
EUR
|
— |
479,000,000
EUR
|
14,000,000
EUR
|
465,000,000
EUR
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||
| Adjustments for decrease (increase) in inventories | — | — | — |
675,000,000
EUR
|
— | — | — |
70,000,000
EUR
|
— | — | — |
| Adjustments for decrease (increase) in trade accounts receivable | — | — | — |
449,000,000
EUR
|
— | — | — |
54,000,000
EUR
|
— | — | — |
| Adjustments for losses (gains) on disposal of non-current assets | — | — | — |
43,000,000
EUR
|
— | — | — |
10,000,000
EUR
|
— | — | — |
| Dividends received, classified as operating activities | — | — | — |
19,000,000
EUR
|
— | — | — |
27,000,000
EUR
|
— | — | — |
| Cash flows from (used in) operating activities | — | — | — |
1,815,000
EUR
|
— | — | — |
1,727,000
EUR
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — | — |
70,000,000
EUR
|
— | — | — |
451,000,000
EUR
|
— | — | — |
| Interest received, classified as investing activities | — | — | — |
12,000,000
EUR
|
— | — | — |
30,000,000
EUR
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||
| Payments to acquire or redeem entity's shares | — | — | — |
15,000,000
EUR
|
— | — | — |
16,000,000
EUR
|
— | — | — |
| Proceeds from borrowings, classified as financing activities | — | — | — |
655,000,000
EUR
|
— | — | — |
1,039,000
EUR
|
— | — | — |
| Interest paid, classified as financing activities | — | — | — |
94,000,000
EUR
|
— | — | — |
77,000,000
EUR
|
— | — | — |
| Other inflows (outflows) of cash, classified as financing activities | — | — | — |
91,000,000
EUR
|
— | — | — |
14,000,000
EUR
|
— | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — |
111,000,000
EUR
|
— | — | — |
577,000,000
EUR
|
— | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — |
4,000,000
EUR
|
— | — | — |
25,000,000
EUR
|
— | — | — |
| Cash and cash equivalents | — |
4 56
EUR
|
— | — | — | — |
563,000,000
EUR
|
— | — | — |
1,165,000
EUR
|