Statement Of Cash Flows [Abstract]
| Concept |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-01-01 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
As at 2019-01-01 |
|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||
| Cash flows from (used in) operating activities [abstract] | ||||||
| Income taxes paid (refund), classified as operating activities | — |
181,000,000
EUR
|
— |
104,000,000
EUR
|
— | — |
| Cash flows from (used in) operating activities | — |
2,223,000,000
EUR
|
— |
1,845,000,000
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
|
— |
106,000,000
EUR
|
— | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
110,000,000
EUR
|
— |
365,000,000
EUR
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities | — |
5,216,000,000.00
EUR
|
— | — | — | — |
| Purchase of intangible assets, classified as investing activities | — |
40,000,000.00
EUR
|
— | — | — | — |
| Dividends received, classified as investing activities | — |
9,000,000
EUR
|
— |
8,000,000
EUR
|
— | — |
| Cash flows from (used in) investing activities | — |
5,024,000,000
EUR
|
— |
8,123,000,000
EUR
|
— | — |
| Cash flows from (used in) financing activities [abstract] | ||||||
| Proceeds from issuing shares | — |
270,000,000
EUR
|
— |
199,000,000
EUR
|
— | — |
| Proceeds from borrowings, classified as financing activities | — |
7,944,000,000
EUR
|
— |
9,066,000,000
EUR
|
— | — |
| Repayments of borrowings, classified as financing activities | — |
5,279,000,000
EUR
|
— |
2,676,000,000
EUR
|
— | — |
| Dividends paid, classified as financing activities | — |
109,000,000
EUR
|
— |
41,000,000
EUR
|
— | — |
| Interest paid, classified as financing activities | — |
746,000,000
EUR
|
— |
720,000,000
EUR
|
— | — |
| Cash flows from (used in) financing activities | — |
2,040,000,000
EUR
|
— |
5,816,000,000
EUR
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
95,000,000
EUR
|
— |
28,000,000
EUR
|
— | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
856,000,000
EUR
|
— |
433,000,000
EUR
|
— | — |
| Cash and cash equivalents |
3,749,000,000
EUR
|
— |
4,605,000,000
EUR
|
— |
4,605,000,000
EUR
|
5,038,000,000
EUR
|