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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||
| Profit (loss) |
802,000,000
EUR
|
— |
3 175,7
EUR
|
3 255,9
EUR
|
3 175,7
EUR
|
2 150,4
EUR
|
— |
2 179,9
EUR
|
295,000,000
EUR
|
2 150,4
EUR
|
| Adjustments to reconcile profit (loss) [abstract] | ||||||||||
| Adjustments for income tax expense | — | — | — |
1 458,5
EUR
|
— | — | — |
6,570,000,000
EUR
|
— | — |
| Other adjustments for non-cash items | — | — | — |
177,000,000
EUR
|
— | — | — |
2,828,000,000
EUR
|
— | — |
| Income taxes paid (refund), classified as operating activities | — | — | — |
1 472,9
EUR
|
— | — | — |
1 436,1
EUR
|
— | — |
| Cash flows from (used in) operating activities | — | — | — |
4 875,5
EUR
|
— | — | — |
2 888,6
EUR
|
— | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — | — |
14,000,000
EUR
|
— | — | — |
6,563,000,000
EUR
|
— | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — | — |
4,658,000,000
EUR
|
— | — | — |
62,000,000
EUR
|
— | — |
| Cash flows from (used in) investing activities | — | — | — |
4,515,000,000
EUR
|
— | — | — |
1,965,000,000
EUR
|
— | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||
| Payments to acquire or redeem entity's shares | — | — | — |
5,383,000,000
EUR
|
— | — | — |
541,000,000
EUR
|
— | — |
| Proceeds from borrowings, classified as financing activities | — | — | — |
625,000,000
EUR
|
— | — | — |
1 443,1
EUR
|
— | — |
| Repayments of borrowings, classified as financing activities | — | — | — |
5,832,000,000
EUR
|
— | — | — |
6,423,000,000
EUR
|
— | — |
| Payments of lease liabilities, classified as financing activities | — | — | — |
7,755,000,000
EUR
|
— | — | — |
7,873,000,000
EUR
|
— | — |
| Interest paid, classified as financing activities | — | — | — |
2,218,000,000
EUR
|
— | — | — |
2,870,000,000
EUR
|
— | — |
| Cash flows from (used in) financing activities | — | — | — |
2 926,9
EUR
|
— | — | — |
1 623,1
EUR
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — |
209,000,000
EUR
|
— | — | — |
978,000,000
EUR
|
— | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — | — |
1 515,6
EUR
|
— | — | — |
1 162,5
EUR
|
— | — |
| Cash and cash equivalents | — |
5 248,7
EUR
|
— | — | — | — |
3 442,8
EUR
|
— | — | — |