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] | |||||
| Dividends received, classified as operating activities | — |
6,000,000
EUR
|
— |
7,000,000
EUR
|
— |
| Interest paid, classified as operating activities | — |
174,000,000
EUR
|
— |
178,000,000
EUR
|
— |
| Interest received, classified as operating activities | — |
28,000,000
EUR
|
— |
24,000,000
EUR
|
— |
| Income taxes paid (refund), classified as operating activities | — |
757,000,000
EUR
|
— |
676,000,000
EUR
|
— |
| Cash flows from (used in) operating activities | — |
5,957,000,000
EUR
|
— |
6,000,000,000
EUR
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — | — |
20,000,000
EUR
|
— |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
45,000,000
EUR
|
— |
490,000,000
EUR
|
— |
| Cash advances and loans made to other parties, classified as investing activities | — |
5,000,000
EUR
|
— | — | — |
| Cash flows from (used in) investing activities | — |
2,741,000,000
EUR
|
— |
3,000,000,000
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 | — | — | — |
1,000,000
EUR
|
— |
| Payments of lease liabilities, classified as financing activities | — |
231,000,000
EUR
|
— |
208,000,000
EUR
|
— |
| Dividends paid, classified as financing activities | — |
3,109,000,000
EUR
|
— |
2,957,000,000
EUR
|
— |
| Cash flows from (used in) financing activities | — |
4,274,000,000
EUR
|
— |
1,324,000,000
EUR
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
1,058,000,000
EUR
|
— |
1,676,000,000
EUR
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents | — |
2,000,000
EUR
|
— |
6,000,000
EUR
|
— |
| Cash and cash equivalents |
1,141,000,000
EUR
|
— |
2,201,000,000
EUR
|
— |
520,000,000
EUR
|