Statement Of Cash Flows [Abstract]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 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] | |||||||||
| Profit (loss) | — |
9,094,000,000
EUR
|
9,094,000,000
EUR
|
9,094,000,000
EUR
|
3,793,000,000
EUR
|
— |
3,793,000,000
EUR
|
3,793,000,000
EUR
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||
| Adjustments for depreciation and amortisation expense | — | — |
923,000,000
EUR
|
— | — | — |
351,000,000
EUR
|
— | — |
| Adjustments for unrealised foreign exchange losses (gains) | — | — |
80,000,000
EUR
|
— | — | — |
57,000,000
EUR
|
— | — |
| Adjustments for fair value losses (gains) | — | — |
733,000,000
EUR
|
— | — | — |
161,000,000
EUR
|
— | — |
| Other adjustments for non-cash items | — | — |
733,000,000
EUR
|
— | — | — |
106,000,000
EUR
|
— | — |
| Cash flows from (used in) operating activities | — | — |
6,082,000,000
EUR
|
— | — | — |
1,718,000,000
EUR
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — |
6,316,000,000
EUR
|
— | — | — |
-
EUR
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — |
115,000,000
EUR
|
— | — | — |
83,000,000
EUR
|
— | — |
| Purchase of intangible assets, classified as investing activities | — | — |
-
EUR
|
— | — | — |
1,000,000
EUR
|
— | — |
| Interest received, classified as investing activities | — | — |
6,000,000
EUR
|
— | — | — |
8,000,000
EUR
|
— | — |
| Other inflows (outflows) of cash, classified as investing activities | — | — |
173,000,000
EUR
|
— | — | — |
14,000,000
EUR
|
— | — |
| Cash flows from (used in) investing activities | — | — |
8,952,000,000
EUR
|
— | — | — |
206,000,000
EUR
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||
| Proceeds from borrowings, classified as financing activities | — | — |
4,960,000,000
EUR
|
— | — | — |
-
EUR
|
— | — |
| Repayments of borrowings, classified as financing activities | — | — |
2,567,000,000
EUR
|
— | — | — |
94,000,000
EUR
|
— | — |
| Payments of lease liabilities, classified as financing activities | — | — |
175,000,000
EUR
|
— | — | — |
144,000,000
EUR
|
— | — |
| Interest paid, classified as financing activities | — | — |
80,000,000
EUR
|
— | — | — |
47,000,000
EUR
|
— | — |
| Other inflows (outflows) of cash, classified as financing activities | — | — |
-
EUR
|
— | — | — |
94,000,000
EUR
|
— | — |
| Cash flows from (used in) financing activities | — | — |
203,000,000
EUR
|
— | — | — |
2,159,000,000
EUR
|
— | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — |
3,073,000,000
EUR
|
— | — | — |
236,000,000
EUR
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — |
172,000,000
EUR
|
— | — | — |
82,000,000
EUR
|
— | — |
| Cash and cash equivalents |
5,879,000,000
EUR
|
— | — | — | — |
8,780,000,000
EUR
|
— | — |
9,085,000,000
EUR
|