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 | — |
1,693,000,000
EUR
|
— |
1,937,000,000
EUR
|
— |
| Interest received, classified as operating activities | — |
—
EUR
|
— |
1,000,000
EUR
|
— |
| Income taxes paid (refund), classified as operating activities | — |
955,000,000
EUR
|
— |
1,100,000,000
EUR
|
— |
| Cash flows from (used in) operating activities | — |
1,029,600
EUR
|
— |
1,057,400
EUR
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
4,000,000
EUR
|
— |
61,000,000
EUR
|
— |
| Purchase of property, plant and equipment, classified as investing activities | — |
2,771,000,000
EUR
|
— |
2,788,000,000
EUR
|
— |
| Purchase of intangible assets, classified as investing activities | — |
2,020,000,000
EUR
|
— |
1,930,000,000
EUR
|
— |
| Cash flows from (used in) investing activities | — |
4,976,000,000
EUR
|
— |
4,756,000,000
EUR
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from issuing other equity instruments | — |
2,000,000
EUR
|
— |
28,000,000
EUR
|
— |
| Payments to acquire or redeem entity's shares | — |
128,000,000
EUR
|
— |
344,000,000
EUR
|
— |
| Proceeds from borrowings, classified as financing activities | — |
3,509,000,000
EUR
|
— |
4,108,000,000
EUR
|
— |
| Repayments of borrowings, classified as financing activities | — |
4,193,000,000
EUR
|
— |
5,658,000,000
EUR
|
— |
| Payments of lease liabilities, classified as financing activities | — |
873,000,000
EUR
|
— |
1,052,000,000
EUR
|
— |
| Dividends paid, classified as financing activities | — |
3,062,000,000
EUR
|
— |
2,923,000,000
EUR
|
— |
| Cash flows from (used in) financing activities | — |
4,745,000,000
EUR
|
— |
6,012,000,000
EUR
|
— |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
575,000,000
EUR
|
— |
194,000,000
EUR
|
— |
| Cash and cash equivalents |
1,395,000,000
EUR
|
— |
820,000,000
EUR
|
— |
1,014,000,000
EUR
|