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] | |||||
| Cash flows from (used in) operations | — |
9,616,000,000
EUR
|
— |
8,476,000,000
EUR
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — |
0
EUR
|
— |
5,000,000
EUR
|
— |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
869,000,000
EUR
|
— |
876,000,000
EUR
|
— |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
38,000,000
EUR
|
— |
53,000,000
EUR
|
— |
| Purchase of property, plant and equipment, classified as investing activities | — |
5,528,000,000
EUR
|
— |
4,832,000,000
EUR
|
— |
| Proceeds from sales of intangible assets, classified as investing activities | — |
-
EUR
|
— |
1,000,000
EUR
|
— |
| Purchase of intangible assets, classified as investing activities | — |
211,000,000
EUR
|
— |
160,000,000
EUR
|
— |
| Proceeds from government grants, classified as investing activities | — |
5,000,000
EUR
|
— |
0
EUR
|
— |
| Dividends received, classified as investing activities | — |
0
EUR
|
— |
0
EUR
|
— |
| Cash flows from (used in) investing activities | — |
6,554,000,000
EUR
|
— |
5,821,000,000
EUR
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from issuing shares | — |
103,000,000
EUR
|
— |
0
EUR
|
— |
| Proceeds from borrowings, classified as financing activities | — |
7,761,000,000
EUR
|
— |
8,686,000,000
EUR
|
— |
| Repayments of borrowings, classified as financing activities | — |
9,178,000,000
EUR
|
— |
1 015,2
EUR
|
— |
| Payments of lease liabilities, classified as financing activities | — |
894,000,000
EUR
|
— |
734,000,000
EUR
|
— |
| Interest paid, classified as financing activities | — |
746,000,000
EUR
|
— |
641,000,000
EUR
|
— |
| Other inflows (outflows) of cash, classified as financing activities | — |
68,000,000
EUR
|
— |
48,000,000
EUR
|
— |
| Cash flows from (used in) financing activities | — |
2,812,000,000
EUR
|
— |
2,902,000,000
EUR
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents | — |
27,000,000
EUR
|
— |
84,000,000
EUR
|
— |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
250,000,000
EUR
|
— |
248,000,000
EUR
|
— |
| Cash and cash equivalents |
1,600,000,000
EUR
|
— |
1,376,000,000
EUR
|
— |
1,723,000,000
EUR
|