Statement Of Cash Flows [Abstract]
| Concept |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||
| Profit (loss) |
180,000,000
EUR
|
— |
1 125
EUR
|
1 125
EUR
|
1 305
EUR
|
— |
770,000,000
EUR
|
74,000,000
EUR
|
696,000,000
EUR
|
696,000,000
EUR
|
| Adjustments to reconcile profit (loss) [abstract] | ||||||||||
| Adjustments for income tax expense | — | — | — | — |
432,000,000
EUR
|
— |
317,000,000
EUR
|
— | — | — |
| Adjustments for losses (gains) on disposal of non-current assets | — | — | — | — |
314,000,000
EUR
|
— |
144,000,000
EUR
|
— | — | — |
| Other adjustments to reconcile profit (loss) | — | — | — | — |
34,000,000
EUR
|
— |
18,000,000
EUR
|
— | — | — |
| Cash flows from (used in) operating activities | — | — | — | — |
3 576
EUR
|
— |
3 406
EUR
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||
| Other inflows (outflows) of cash, classified as investing activities | — | — | — | — |
64,000,000
EUR
|
— |
59,000,000
EUR
|
— | — | — |
| Cash flows from (used in) investing activities | — | — | — | — |
1 243
EUR
|
— |
1 604
EUR
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||
| Payments of lease liabilities, classified as financing activities | — | — | — | — |
361,000,000
EUR
|
— |
372,000,000
EUR
|
— | — | — |
| Interest paid, classified as financing activities | — | — | — | — |
207,000,000
EUR
|
— |
220,000,000
EUR
|
— | — | — |
| Other inflows (outflows) of cash, classified as financing activities | — | — | — | — |
1,000,000
EUR
|
— |
38,000,000
EUR
|
— | — | — |
| Cash flows from (used in) financing activities | — | — | — | — |
284,000,000
EUR
|
— |
1 021
EUR
|
— | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — | — |
64,000,000
EUR
|
— |
98,000,000
EUR
|
— | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — | — | — |
2 113
EUR
|
— |
683,000,000
EUR
|
— | — | — |
| Cash and cash equivalents | — |
6 501
EUR
|
— | — | — |
4 224
EUR
|
— | — | — | — |