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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||
| Profit (loss) |
41,000,000
EUR
|
— |
948,000,000
EUR
|
989,000,000
EUR
|
948,000,000
EUR
|
962,000,000
EUR
|
— |
929,000,000
EUR
|
33,000,000
EUR
|
962,000,000
EUR
|
| Adjustments to reconcile profit (loss) [abstract] | ||||||||||
| Adjustments for income tax expense | — | — | — |
110,000,000
EUR
|
— | — | — |
444,000,000
EUR
|
— | — |
| Adjustments for provisions | — | — | — |
464,000,000
EUR
|
— | — | — |
186,000,000
EUR
|
— | — |
| Other adjustments for non-cash items | — | — | — |
113,000,000
EUR
|
— | — | — |
294,000,000
EUR
|
— | — |
| Dividends received, classified as operating activities | — | — | — |
129,000,000
EUR
|
— | — | — |
25,000,000
EUR
|
— | — |
| Income taxes paid (refund), classified as operating activities | — | — | — |
233,000,000
EUR
|
— | — | — |
97,000,000
EUR
|
— | — |
| Cash flows from (used in) operating activities | — | — | — |
1 499
EUR
|
— | — | — |
1 242
EUR
|
— | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — | — |
22,000,000
EUR
|
— | — | — |
12,000,000
EUR
|
— | — |
| Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities | — | — | — |
22,000,000
EUR
|
— | — | — |
46,000,000
EUR
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — | — |
561,000,000
EUR
|
— | — | — |
454,000,000
EUR
|
— | — |
| Purchase of intangible assets, classified as investing activities | — | — | — |
75,000,000
EUR
|
— | — | — |
81,000,000
EUR
|
— | — |
| Dividends received, classified as investing activities | — | — | — |
5,000,000
EUR
|
— | — | — |
4,000,000
EUR
|
— | — |
| Cash flows from (used in) investing activities | — | — | — |
470,000,000
EUR
|
— | — | — |
711,000,000
EUR
|
— | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||
| Proceeds from borrowings, classified as financing activities | — | — | — |
248,000,000
EUR
|
— | — | — |
557,000,000
EUR
|
— | — |
| Repayments of borrowings, classified as financing activities | — | — | — |
614,000,000
EUR
|
— | — | — |
1 368
EUR
|
— | — |
| Payments of lease liabilities, classified as financing activities | — | — | — |
99,000,000
EUR
|
— | — | — |
108,000,000
EUR
|
— | — |
| Dividends paid, classified as financing activities | — | — | — |
431,000,000
EUR
|
— | — | — |
419,000,000
EUR
|
— | — |
| Interest paid, classified as financing activities | — | — | — |
95,000,000
EUR
|
— | — | — |
103,000,000
EUR
|
— | — |
| Other inflows (outflows) of cash, classified as financing activities | — | — | — |
50,000,000
EUR
|
— | — | — |
101,000,000
EUR
|
— | — |
| Cash flows from (used in) financing activities | — | — | — |
1 104
EUR
|
— | — | — |
1 692
EUR
|
— | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — |
76,000,000
EUR
|
— | — | — |
261,000,000
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
|
— | — | — |
61,000,000
EUR
|
— | — |
| Cash and cash equivalents | — |
941,000,000
EUR
|
— | — | — | — |
1 002
EUR
|
— | — | — |