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 |
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 |
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] | ||||||||||||||||||||||
| 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 | — | — | — | — | — | — | — | — | — |
2,125,000,000
EUR
|
— |
1,513,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||||||||||||
| Cash flow hedges [abstract] | ||||||||||||||||||||||
| Gains (losses) on cash flow hedges, before tax | — | — | — | — | — | — | — | — | — |
112,000,000
EUR
|
— |
194,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Reclassification adjustments on cash flow hedges, before tax | — | — | — | — | — | — | — | — | — |
71,000,000
EUR
|
— |
18,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||||||||||||||||
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income | — | — | — | — | — | — | — | — | — |
616,000,000
EUR
|
— |
458,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | ||||||||||||||||||||||
| Income tax relating to cash flow hedges included in other comprehensive income | — | — | — | — | — | — | — | — | — |
8,000,000
EUR
|
— |
55,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
61,000,000
EUR
|
33,000,000
EUR
|
3,780,000,000
EUR
|
4,000,000
EUR
|
— |
1,509,000,000
EUR
|
2,285,000,000
EUR
|
22,000,000
EUR
|
— |
3,841,000,000
EUR
|
— |
2,948,000,000
EUR
|
1,056,000,000
EUR
|
— |
20,000,000
EUR
|
16,000,000
EUR
|
156,000,000
EUR
|
— |
2,068,000,000
EUR
|
25,000,000
EUR
|
— |
2,973,000,000
EUR
|
| Comprehensive income |
58,000,000
EUR
|
33,000,000
EUR
|
9,463,000,000
EUR
|
4,000,000
EUR
|
0
EUR
|
1,509,000,000
EUR
|
2,285,000,000
EUR
|
22,000,000
EUR
|
0
EUR
|
9,521,000,000
EUR
|
5,683,000,000
EUR
|
839,000,000
EUR
|
1,056,000,000
EUR
|
2,153,000,000
EUR
|
20,000,000
EUR
|
16,000,000
EUR
|
156,000,000
EUR
|
0
EUR
|
2,068,000,000
EUR
|
19,000,000
EUR
|
0
EUR
|
819,000,000
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — | — | — | — |
9,463,000,000
EUR
|
— |
819,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — | — | — | — |
58,000,000
EUR
|
— |
19,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |