Statement Of Cash Flows [Abstract]
| Concept |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-01-01 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
As at 2019-01-01 |
|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||
| Cash flows from (used in) operating activities [abstract] | ||||||
| Dividends received, classified as operating activities | — |
78,692,000
EUR
|
— |
71,891,000
EUR
|
— | — |
| Interest paid, classified as operating activities | — |
1,304,720,000
EUR
|
— |
1,490,484,000
EUR
|
— | — |
| Interest received, classified as operating activities | — |
4,376,578,000
EUR
|
— |
4,706,518,000
EUR
|
— | — |
| Income taxes paid (refund), classified as operating activities | — |
340,687,000
EUR
|
— |
375,805,000
EUR
|
— | — |
| Other inflows (outflows) of cash, classified as operating activities | — |
903,000
EUR
|
— |
28,521,000
EUR
|
— | — |
| Cash flows from (used in) operating activities | — |
14,648,121,000
EUR
|
— |
4,512,376,000
EUR
|
— | — |
| Cash flows from (used in) investing activities [abstract] | ||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — |
1,000
EUR
|
— |
72,558,000
EUR
|
— | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
0
EUR
|
— |
0
EUR
|
— | — |
| Other cash receipts from sales of equity or debt instruments of other entities, classified as investing activities | — |
1,867,736,000
EUR
|
— |
4,920,170,000
EUR
|
— | — |
| Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities | — |
6,675,858,000
EUR
|
— |
6,605,884,000
EUR
|
— | — |
| Cash flows from (used in) investing activities | — |
5,141,075,000
EUR
|
— |
2,153,081,000
EUR
|
— | — |
| Cash flows from (used in) financing activities [abstract] | ||||||
| Proceeds from changes in ownership interests in subsidiaries that do not result in loss of control | — |
7,494,000
EUR
|
— |
7,549,000
EUR
|
— | — |
| Proceeds from issuing shares | — |
497,174,000
EUR
|
— |
11,327,000
EUR
|
— | — |
| Payments to acquire or redeem entity's shares | — |
597,000
EUR
|
— |
0
EUR
|
— | — |
| Payments of lease liabilities, classified as financing activities | — |
68,278,000
EUR
|
— |
70,352,000
EUR
|
— | — |
| Dividends paid, classified as financing activities | — |
120,745,000
EUR
|
— |
428,235,000
EUR
|
— | — |
| Cash flows from (used in) financing activities | — |
402,812,000
EUR
|
— |
509,324,000
EUR
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
539,099,000
EUR
|
— |
118,191,000
EUR
|
— | — |
| Cash and cash equivalents |
33,660,024,000
EUR
|
— |
24,289,265,000
EUR
|
— |
24,289,265,000
EUR
|
22,557,484,000
EUR
|