Statement Of Comprehensive Income [Abstract]
| Concept |
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 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||
| Profit (loss) |
9 833
EUR
|
8 437
EUR
|
631,000.000
EUR
|
7 807
EUR
|
1 396
EUR
|
7 807
EUR
|
8 437
EUR
|
23 162
EUR
|
1 476
EUR
|
20 828
EUR
|
21 687
EUR
|
859,000.000
EUR
|
20 828
EUR
|
21 687
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 |
410,000.000
EUR
|
— | — | — |
1,000.000
EUR
|
— |
411,000.000
EUR
|
623,000.000
EUR
|
— | — | — | — | — |
623,000.000
EUR
|
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||||
| Cash flow hedges [abstract] | ||||||||||||||
| Other comprehensive income, before tax, cash flow hedges |
1 365
EUR
|
— | — | — |
7,000.000
EUR
|
— |
1 358
EUR
|
484,000.000
EUR
|
50,000.000
EUR
|
— | — | — | — |
434,000.000
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 |
132,000.000
EUR
|
— | — | — | — | — |
132,000.000
EUR
|
224,000.000
EUR
|
— | — | — | — | — |
224,000.000
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 |
440,000.000
EUR
|
— | — | — |
2,000.000
EUR
|
— |
438,000.000
EUR
|
160,000.000
EUR
|
13,000.000
EUR
|
— | — | — | — |
147,000.000
EUR
|
| Other comprehensive income |
1 203
EUR
|
1 199
EUR
|
2,000.000
EUR
|
1 197
EUR
|
4,000.000
EUR
|
1 197
EUR
|
1 199
EUR
|
723,000.000
EUR
|
37,000.000
EUR
|
711,000.000
EUR
|
686,000.000
EUR
|
25,000.000
EUR
|
711,000.000
EUR
|
686,000.000
EUR
|
| Comprehensive income |
8 630
EUR
|
7 238
EUR
|
629,000.000
EUR
|
6 610
EUR
|
1 392
EUR
|
6 610
EUR
|
7 238
EUR
|
22 439
EUR
|
1 439
EUR
|
20 117
EUR
|
21 001
EUR
|
884,000.000
EUR
|
20 117
EUR
|
21 001
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent |
8 037
EUR
|
— | — | — |
1 427
EUR
|
— |
6 610
EUR
|
21 667
EUR
|
1 550
EUR
|
— | — | — | — |
20 117
EUR
|
| Comprehensive income, attributable to non-controlling interests |
594,000.000
EUR
|
— | — | — |
35,000.000
EUR
|
— |
629,000.000
EUR
|
772,000.000
EUR
|
112,000.000
EUR
|
— | — | — | — |
884,000.000
EUR
|