Statement Of Comprehensive Income [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 |
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 |
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 comprehensive income [abstract] | ||||||||||||||||
| Profit (loss) |
41,000,000
EUR
|
948,000,000
EUR
|
948,000,000
EUR
|
— | — | — |
989,000,000
EUR
|
— |
962,000,000
EUR
|
929,000,000
EUR
|
— |
33,000,000
EUR
|
— |
962,000,000
EUR
|
— | — |
| Other comprehensive income [abstract] | ||||||||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract] | ||||||||||||||||
| Other comprehensive income, before tax, gains (losses) from investments in equity instruments | — | — | — | — | — | — |
33,000,000
EUR
|
— | — |
2,000,000
EUR
|
— | — | — | — | — | — |
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans | — | — | — | — | — | — |
562,000,000
EUR
|
— | — |
174,000,000
EUR
|
— | — | — | — | — | — |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will not be reclassified to profit or loss, before tax | — | — | — | — | — | — |
0
EUR
|
— | — |
1,000,000
EUR
|
— | — | — | — | — | — |
| Other comprehensive income that will not be reclassified to profit or loss, before tax | — | — | — | — | — | — |
594,000,000
EUR
|
— | — |
174,000,000
EUR
|
— | — | — | — | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||||||
| Exchange differences on translation [abstract] | ||||||||||||||||
| Gains (losses) on exchange differences on translation of foreign operations, before tax | — | — | — | — | — | — |
487,000,000
EUR
|
— | — |
605,000,000
EUR
|
— | — | — | — | — | — |
| Cash flow hedges [abstract] | ||||||||||||||||
| Gains (losses) on cash flow hedges, before tax | — | — | — | — | — | — |
16,000,000
EUR
|
— | — |
44,000,000
EUR
|
— | — | — | — | — | — |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, before tax | — | — | — | — | — | — |
30,000,000
EUR
|
— | — |
99,000,000
EUR
|
— | — | — | — | — | — |
| Other comprehensive income that will be reclassified to profit or loss, before tax | — | — | — | — | — | — |
500,000,000
EUR
|
— | — |
660,000,000
EUR
|
— | — | — | — | — | — |
| Other comprehensive income |
9,000,000
EUR
|
— |
1 008
EUR
|
11,000,000
EUR
|
486,000,000
EUR
|
508,000,000
EUR
|
1 017
EUR
|
25,000,000
EUR
|
— |
837,000,000
EUR
|
699,000,000
EUR
|
6,000,000
EUR
|
35,000,000
EUR
|
831,000,000
EUR
|
169,000,000
EUR
|
1,000,000
EUR
|
| Comprehensive income |
50,000,000
EUR
|
948,000,000
EUR
|
1 956
EUR
|
11,000,000
EUR
|
486,000,000
EUR
|
508,000,000
EUR
|
2 006
EUR
|
25,000,000
EUR
|
962,000,000
EUR
|
1 766
EUR
|
699,000,000
EUR
|
27,000,000
EUR
|
35,000,000
EUR
|
1 793
EUR
|
169,000,000
EUR
|
1,000,000
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — |
1 956
EUR
|
— | — |
1 793
EUR
|
— | — | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — |
50,000,000
EUR
|
— | — |
27,000,000
EUR
|
— | — | — | — | — | — |