Statement Of Cash Flows [Abstract]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||
| Profit (loss) | — |
2,416,000,000
EUR
|
10,290,000,000
EUR
|
2,416,000,000
EUR
|
7,874,000,000
EUR
|
852,000,000
EUR
|
739,000,000
EUR
|
— |
739,000,000
EUR
|
114,000,000
EUR
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||
| Adjustments for income tax expense | — | — |
556,000,000
EUR
|
— | — | — | — | — | — |
325,000,000
EUR
|
— |
| Adjustments for depreciation and amortisation expense | — | — |
566,000,000
EUR
|
— | — | — | — | — | — |
587,000,000
EUR
|
— |
| Other adjustments for non-cash items | — | — |
153,000,000
EUR
|
— | — | — | — | — | — |
74,000,000
EUR
|
— |
| Dividends received, classified as operating activities | — | — |
18,000,000
EUR
|
— | — | — | — | — | — |
72,000,000
EUR
|
— |
| Interest paid, classified as operating activities | — | — |
201,000,000
EUR
|
— | — | — | — | — | — |
147,000,000
EUR
|
— |
| Interest received, classified as operating activities | — | — |
84,000,000
EUR
|
— | — | — | — | — | — |
25,000,000
EUR
|
— |
| Income taxes paid (refund), classified as operating activities | — | — |
167,000,000
EUR
|
— | — | — | — | — | — |
279,000,000
EUR
|
— |
| Cash flows from (used in) operating activities | — | — |
8,767,000,000
EUR
|
— | — | — | — | — | — |
4,970,000,000
EUR
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||||||||
| Proceeds from sales of property, plant and equipment, classified as investing activities | — | — |
4,000,000
EUR
|
— | — | — | — | — | — |
2,000,000
EUR
|
— |
| Cash flows from (used in) investing activities | — | — |
985,000,000
EUR
|
— | — | — | — | — | — |
5,727,000,000
EUR
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||||||||
| Other inflows (outflows) of cash, classified as financing activities | — | — |
168,000,000
EUR
|
— | — | — | — | — | — |
50,000,000
EUR
|
— |
| Cash flows from (used in) financing activities | — | — |
6,070,000,000
EUR
|
— | — | — | — | — | — |
6,013,000,000
EUR
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — |
3,682,000,000
EUR
|
— | — | — | — | — | — |
5,256,000,000
EUR
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — |
7,000,000
EUR
|
— | — | — | — | — | — |
29,000,000
EUR
|
— |
| Cash and cash equivalents |
3,919,000,000
EUR
|
— | — | — | — | — | — |
7,592,000,000
EUR
|
— | — |
2,308,000,000
EUR
|