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) |
626,000,000
EUR
|
— |
617,000,000
EUR
|
9,000,000
EUR
|
626,000,000
EUR
|
880,000,000
EUR
|
880,000,000
EUR
|
856,000,000
EUR
|
24,000,000
EUR
|
— |
| Adjustments to reconcile profit (loss) [abstract] | ||||||||||
| Adjustments for income tax expense | — | — |
156,000,000
EUR
|
— | — | — | — |
281,000,000
EUR
|
— | — |
| Adjustments for decrease (increase) in inventories | — | — |
101,000,000
EUR
|
— | — | — | — |
161,000,000
EUR
|
— | — |
| Adjustments for share-based payments | — | — |
4,000,000
EUR
|
— | — | — | — |
0
EUR
|
— | — |
| Adjustments for losses (gains) on disposal of non-current assets | — | — |
2,000,000
EUR
|
— | — | — | — |
172,000,000
EUR
|
— | — |
| Other adjustments to reconcile profit (loss) | — | — |
15,000,000
EUR
|
— | — | — | — |
5,000,000
EUR
|
— | — |
| Dividends received, classified as operating activities | — | — |
36,000,000
EUR
|
— | — | — | — |
343,000,000
EUR
|
— | — |
| Interest paid, classified as operating activities | — | — |
122,000,000
EUR
|
— | — | — | — |
150,000,000
EUR
|
— | — |
| Interest received, classified as operating activities | — | — |
2,000,000
EUR
|
— | — | — | — |
7,000,000
EUR
|
— | — |
| Income taxes paid (refund), classified as operating activities | — | — |
82,000,000
EUR
|
— | — | — | — |
178,000,000
EUR
|
— | — |
| Other inflows (outflows) of cash, classified as operating activities | — | — |
13,000,000
EUR
|
— | — | — | — |
10,000,000
EUR
|
— | — |
| Cash flows from (used in) operating activities | — | — |
1 128
EUR
|
— | — | — | — |
1 660
EUR
|
— | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — |
3,000,000
EUR
|
— | — | — | — |
19,000,000
EUR
|
— | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — |
0
EUR
|
— | — | — | — |
464,000,000
EUR
|
— | — |
| Other cash receipts from sales of equity or debt instruments of other entities, classified as investing activities | — | — |
1,000,000
EUR
|
— | — | — | — |
6,000,000
EUR
|
— | — |
| Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities | — | — |
14,000,000
EUR
|
— | — | — | — |
0
EUR
|
— | — |
| Cash flows from (used in) investing activities | — | — |
681,000,000
EUR
|
— | — | — | — |
1 089
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 | — | — |
0
EUR
|
— | — | — | — |
8,000,000
EUR
|
— | — |
| Payments to acquire or redeem entity's shares | — | — |
6,000,000
EUR
|
— | — | — | — |
3,000,000
EUR
|
— | — |
| Dividends paid, classified as financing activities | — | — |
223,000,000
EUR
|
— | — | — | — |
394,000,000
EUR
|
— | — |
| Cash flows from (used in) financing activities | — | — |
354,000,000
EUR
|
— | — | — | — |
856,000,000
EUR
|
— | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — |
801,000,000
EUR
|
— | — | — | — |
285,000,000
EUR
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — |
9,000,000
EUR
|
— | — | — | — |
19,000,000
EUR
|
— | — |
| Cash and cash equivalents | — |
1 661
EUR
|
— | — | — | — | — | — | — |
876,000,000
EUR
|