Statement Of Cash Flows [Abstract]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||
| Cash flows from (used in) operating activities [abstract] | |||||
| Interest paid, classified as operating activities | — |
769,000,000
EUR
|
— |
789,000,000
EUR
|
— |
| Income taxes paid (refund), classified as operating activities | — |
3,009,000,000
EUR
|
— |
2,400,000,000
EUR
|
— |
| Cash flows from (used in) operating activities | — |
1 112,7
EUR
|
— |
1 161,9
EUR
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows from (used in) investing activities | — |
4,669,000,000
EUR
|
— |
8,504,000,000
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 | — |
486,000,000
EUR
|
— |
6,000,000
EUR
|
— |
| Proceeds from issuing shares | — |
0
EUR
|
— |
92,000,000
EUR
|
— |
| Payments to acquire or redeem entity's shares | — |
917,000,000
EUR
|
— |
324,000,000
EUR
|
— |
| Cash flows from (used in) financing activities | — |
6,871,000,000
EUR
|
— |
8,237,000,000
EUR
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents | — |
379,000,000
EUR
|
— |
544,000,000
EUR
|
— |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
34,000,000
EUR
|
— |
1 080,8
EUR
|
— |
| Cash and cash equivalents |
2 788,3
EUR
|
— |
2 791,7
EUR
|
— |
1 710,9
EUR
|