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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||
| Profit (loss) |
3,295,000,000
EUR
|
— |
1 046,9
EUR
|
1 046,9
EUR
|
1 376,4
EUR
|
— |
2,310,000,000
EUR
|
331,000,000
EUR
|
2,641,000,000
EUR
|
2,641,000,000
EUR
|
| Adjustments to reconcile profit (loss) [abstract] | ||||||||||
| Adjustments for income tax expense | — | — | — | — |
2,625,000,000
EUR
|
— |
2,000,000,000
EUR
|
— | — | — |
| Other adjustments for non-cash items | — | — | — | — |
5,587,000,000
EUR
|
— |
8,493,000,000
EUR
|
— | — | — |
| Income taxes paid (refund), classified as operating activities | — | — | — | — |
2,678,000,000
EUR
|
— |
2,022,000,000
EUR
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||
| Dividends received, classified as investing activities | — | — | — | — |
4,000,000
EUR
|
— |
2,000,000
EUR
|
— | — | — |
| Cash flows from (used in) investing activities | — | — | — | — |
7,510,000,000
EUR
|
— |
202,000,000
EUR
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||
| Proceeds from issuing shares | — | — | — | — |
23,000,000
EUR
|
— |
22,000,000
EUR
|
— | — | — |
| Proceeds from borrowings, classified as financing activities | — | — | — | — |
1 082,5
EUR
|
— |
1 045,9
EUR
|
— | — | — |
| Repayments of borrowings, classified as financing activities | — | — | — | — |
1 547,3
EUR
|
— |
1 402,5
EUR
|
— | — | — |
| Payments of lease liabilities, classified as financing activities | — | — | — | — |
1,523,000,000
EUR
|
— |
1,588,000,000
EUR
|
— | — | — |
| Other inflows (outflows) of cash, classified as financing activities | — | — | — | — |
750,000,000
EUR
|
— |
197,000,000
EUR
|
— | — | — |
| Cash flows from (used in) financing activities | — | — | — | — |
1 089,0
EUR
|
— |
8,791,000,000
EUR
|
— | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — | — |
156,000,000
EUR
|
— |
375,000,000
EUR
|
— | — | — |
| Cash and cash equivalents | — |
2 231,8
EUR
|
— | — | — |
2 900,3
EUR
|
— | — | — | — |