Statement Of Cash Flows [Abstract]
| Concept |
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 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 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 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||||||||||
| Profit (loss) | — |
-
EUR
|
1 516
EUR
|
347,000,000
EUR
|
-
EUR
|
1 169
EUR
|
1 169
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
588,000,000
EUR
|
588,000,000
EUR
|
637,000,000
EUR
|
49,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
| Adjustments to reconcile profit (loss) [abstract] | ||||||||||||||||||
| Other adjustments to reconcile profit (loss) | — | — |
1 556
EUR
|
— | — | — | — | — | — | — | — | — | — |
619,000,000
EUR
|
— | — | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||||||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — |
1 221
EUR
|
— | — | — | — | — | — | — | — | — | — |
35,000,000
EUR
|
— | — | — | — |
| Dividends received, classified as investing activities | — | — |
9,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
173,000,000
EUR
|
— | — | — | — |
| Other inflows (outflows) of cash, classified as investing activities | — | — |
93,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
102,000,000
EUR
|
— | — | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||||||||||
| Proceeds from issuing shares | — | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
-
EUR
|
— | — | — | — |
| Payments to acquire or redeem entity's shares | — | — |
3,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
-
EUR
|
— | — | — | — |
| Proceeds from borrowings, classified as financing activities | — | — |
4 189
EUR
|
— | — | — | — | — | — | — | — | — | — |
877,000,000
EUR
|
— | — | — | — |
| Repayments of borrowings, classified as financing activities | — | — |
884,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
749,000,000
EUR
|
— | — | — | — |
| Payments of lease liabilities, classified as financing activities | — | — |
15,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
10,000,000
EUR
|
— | — | — | — |
| Proceeds from government grants, classified as financing activities | — | — |
7,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
4,000,000
EUR
|
— | — | — | — |
| Interest paid, classified as financing activities | — | — |
194,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
209,000,000
EUR
|
— | — | — | — |
| Other inflows (outflows) of cash, classified as financing activities | — | — |
50,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
2,000,000
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
|
— | — | — | — | — | — | — | — | — | — |
2,000,000
EUR
|
— | — | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — |
1 485
EUR
|
— | — | — | — | — | — | — | — | — | — |
82,000,000
EUR
|
— | — | — | — |
| Cash and cash equivalents |
3 463
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 982
EUR
|
— | — |