Statement Of Cash Flows [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
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 |
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 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
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 |
2020-01-01 to 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) |
11,000,000
EUR
|
-
EUR
|
-
EUR
|
2,565,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
2,554,000,000
EUR
|
2,565,000,000
EUR
|
1,377,000,000
EUR
|
-
EUR
|
1,388,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
-
EUR
|
11,000,000
EUR
|
-
EUR
|
1,388,000,000
EUR
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||||||||||||
| Adjustments for income tax expense | — | — | — | — | — | — | — | — |
280,000,000
EUR
|
— |
164,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss | — | — | — | — | — | — | — | — |
-
EUR
|
— |
214,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Other adjustments for non-cash items | — | — | — | — | — | — | — | — |
196,000,000
EUR
|
— |
117,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) operations | — | — | — | — | — | — | — | — |
2,011,000,000
EUR
|
— |
2,047,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) operating activities | — | — | — | — | — | — | — | — |
1,759,000,000
EUR
|
— |
1,726,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — | — | — | — | — | — | — |
90,000,000
EUR
|
— |
4,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Interest received, classified as investing activities | — | — | — | — | — | — | — | — |
14,000,000
EUR
|
— |
43,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — | — | — |
1,739,000,000
EUR
|
— |
3,146,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||||||||
| Payments to acquire or redeem entity's shares | — | — | — | — | — | — | — | — |
137,000,000
EUR
|
— |
314,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Proceeds from borrowings, classified as financing activities | — | — | — | — | — | — | — | — |
1,183,000,000
EUR
|
— |
523,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Repayments of borrowings, classified as financing activities | — | — | — | — | — | — | — | — |
135,000,000
EUR
|
— |
1,326,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Payments of lease liabilities, classified as financing activities | — | — | — | — | — | — | — | — |
161,000,000
EUR
|
— |
153,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Dividends paid, classified as financing activities | — | — | — | — | — | — | — | — |
729,000,000
EUR
|
— |
539,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Interest paid, classified as financing activities | — | — | — | — | — | — | — | — |
64,000,000
EUR
|
— |
55,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — | — | — |
4,000,000
EUR
|
— |
1,734,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — | — | — | — | — | — |
24,000,000
EUR
|
— |
3,154,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — | — | — | — | — | — |
9,000,000
EUR
|
— |
8,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — |
3,546,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
3,513,000,000
EUR
|
— | — | — | — | — |
6,675,000,000
EUR
|