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 |
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 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | |||||||||||||
| Profit (loss) |
67,000,000
EUR
|
— | — |
2,426,000,000
EUR
|
2,426,000,000
EUR
|
2,493,000,000
EUR
|
2,096,000,000
EUR
|
— |
75,000,000
EUR
|
— |
2,021,000,000
EUR
|
2,021,000,000
EUR
|
2,096,000,000
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) on remeasurements of defined benefit plans | — | — | — | — | — |
118,000,000
EUR
|
40,000,000
EUR
|
— | — | — | — | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | |||||||||||||
| Exchange differences on translation [abstract] | |||||||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations | — | — | — | — | — |
17,000,000
EUR
|
1,130,000,000
EUR
|
— | — | — | — | — | — |
| Cash flow hedges [abstract] | |||||||||||||
| Other comprehensive income, before tax, cash flow hedges | — | — | — | — | — |
3,428,000,000
EUR
|
386,000,000
EUR
|
— | — | — | — | — | — |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | |||||||||||||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | — | — | — | — | — |
32,000,000
EUR
|
13,000,000
EUR
|
— | — | — | — | — | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | |||||||||||||
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — | — | — | — | — |
934,000,000
EUR
|
101,000,000
EUR
|
— | — | — | — | — | — |
| Other comprehensive income |
1,000,000
EUR
|
35,000,000
EUR
|
3,403,000,000
EUR
|
842,000,000
EUR
|
2,596,000,000
EUR
|
2,597,000,000
EUR
|
872,000,000
EUR
|
1,048,000,000
EUR
|
82,000,000
EUR
|
387,000,000
EUR
|
790,000,000
EUR
|
129,000,000
EUR
|
— |
| Comprehensive income |
68,000,000
EUR
|
35,000,000
EUR
|
3,403,000,000
EUR
|
1,584,000,000
EUR
|
5,022,000,000
EUR
|
5,090,000,000
EUR
|
1,224,000,000
EUR
|
1,048,000,000
EUR
|
7,000,000
EUR
|
387,000,000
EUR
|
1,231,000,000
EUR
|
1,892,000,000
EUR
|
— |
| Comprehensive income attributable to [abstract] | |||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — |
5,022,000,000
EUR
|
1,231,000,000
EUR
|
— | — | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — |
68,000,000
EUR
|
7,000,000
EUR
|
— | — | — | — | — | — |