Statement Of Cash Flows [Abstract]
| Concept |
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 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||
| Profit (loss) |
325,000,000
EUR
|
— |
335,000,000
EUR
|
9,000,000
EUR
|
325,000,000
EUR
|
262,000,000
EUR
|
262,000,000
EUR
|
267,000,000
EUR
|
5,000,000
EUR
|
— |
| Adjustments to reconcile profit (loss) [abstract] | ||||||||||
| Adjustments for income tax expense | — | — |
27,000,000
EUR
|
— | — | — | — |
93,000,000
EUR
|
— | — |
| Adjustments for decrease (increase) in inventories | — | — |
44,000,000
EUR
|
— | — | — | — |
35,000,000
EUR
|
— | — |
| Adjustments for losses (gains) on disposal of non-current assets | — | — |
1,000,000
EUR
|
— | — | — | — |
13,000,000
EUR
|
— | — |
| Other adjustments to reconcile profit (loss) | — | — |
46,000,000
EUR
|
— | — | — | — |
25,000,000
EUR
|
— | — |
| Adjustments to reconcile profit (loss) | — | — |
606,000,000
EUR
|
— | — | — | — |
586,000,000
EUR
|
— | — |
| Income taxes paid (refund), classified as operating activities | — | — |
73,000,000
EUR
|
— | — | — | — |
90,000,000
EUR
|
— | — |
| Cash flows from (used in) operating activities | — | — |
891,000,000
EUR
|
— | — | — | — |
599,000,000
EUR
|
— | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — |
2,000,000
EUR
|
— | — | — | — |
15,000,000
EUR
|
— | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — |
1,303,000,000
EUR
|
— | — | — | — |
95,000,000
EUR
|
— | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — | — |
25,000,000
EUR
|
— | — | — | — |
16,000,000
EUR
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — |
67,000,000
EUR
|
— | — | — | — |
58,000,000
EUR
|
— | — |
| Purchase of intangible assets, classified as investing activities | — | — |
32,000,000
EUR
|
— | — | — | — |
29,000,000
EUR
|
— | — |
| Cash flows from (used in) investing activities | — | — |
1,379,000,000
EUR
|
— | — | — | — |
145,000,000
EUR
|
— | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||
| Payments to acquire or redeem entity's shares | — | — |
38,000,000
EUR
|
— | — | — | — |
6,000,000
EUR
|
— | — |
| Proceeds from borrowings, classified as financing activities | — | — |
3,744,000,000
EUR
|
— | — | — | — |
12,000,000
EUR
|
— | — |
| Repayments of borrowings, classified as financing activities | — | — |
2,932,000,000
EUR
|
— | — | — | — |
127,000,000
EUR
|
— | — |
| Dividends paid, classified as financing activities | — | — |
17,000,000
EUR
|
— | — | — | — |
165,000,000
EUR
|
— | — |
| Cash flows from (used in) financing activities | — | — |
757,000,000
EUR
|
— | — | — | — |
286,000,000
EUR
|
— | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — |
269,000,000
EUR
|
— | — | — | — |
168,000,000
EUR
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — |
80,000,000
EUR
|
— | — | — | — |
7,000,000
EUR
|
— | — |
| Cash and cash equivalents | — |
1,033,000,000
EUR
|
— | — | — | — | — | — | — |
847,000,000
EUR
|