Analysis Of Income And Expense [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 |
2018-01-01 to 2018-12-31 |
2018-01-01 to 2018-12-31 |
2018-01-01 to 2018-12-31 |
2018-01-01 to 2018-12-31 |
2018-01-01 to 2018-12-31 |
2018-01-01 to 2018-12-31 |
2018-01-01 to 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | |||||||||||||||||||||
| Revenue [abstract] | |||||||||||||||||||||
| Revenue |
19,535,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
19,482,000,000
EUR
|
— | — | — | — | — |
18,121,000,000
EUR
|
— | — | — |
| Material income and expense [abstract] | |||||||||||||||||||||
| Research and development expense |
1,915,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
1,884,000,000
EUR
|
— | — | — | — | — |
1,759,000,000
EUR
|
— | — | — |
| Selling, general and administrative expense [abstract] | |||||||||||||||||||||
| Selling expense |
4,606,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
4,682,000,000
EUR
|
— | — | — | — | — |
4,500,000,000
EUR
|
— | — | — |
| General and administrative expense |
668,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
631,000,000
EUR
|
— | — | — | — | — |
631,000,000
EUR
|
— | — | — |
| Miscellaneous other comprehensive income [abstract] | |||||||||||||||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | |||||||||||||||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations |
1,040,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
218,000,000
EUR
|
— | — | — | — | — |
383,000,000
EUR
|
— | — | — |
| Income tax relating to exchange differences on translation of foreign operations and hedges of net investments in foreign operations included in other comprehensive income [abstract] | |||||||||||||||||||||
| Income tax relating to exchange differences on translation of foreign operations included in other comprehensive income |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
-
EUR
|
— | — | — | — | — |
29,000,000
EUR
|
— | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | |||||||||||||||||||||
| Share of profit (loss) of associates accounted for using equity method |
9,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
1,000,000
EUR
|
— | — | — | — | — |
2,000,000
EUR
|
— | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | |||||||||||||||||||||
| Comprehensive income |
242,000,000
EUR
|
1,225,000,000
EUR
|
-
EUR
|
46,000,000
EUR
|
1,036,000,000
EUR
|
6,000,000
EUR
|
235,000,000
EUR
|
239,000,000
EUR
|
1,507,000,000
EUR
|
1,200,000,000
EUR
|
5,000,000
EUR
|
1,512,000,000
EUR
|
82,000,000
EUR
|
13,000,000
EUR
|
147,000,000
EUR
|
1,225,000,000
EUR
|
1,058,000,000
EUR
|
1,233,000,000
EUR
|
347,000,000
EUR
|
8,000,000
EUR
|
33,000,000
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | |||||||||||||||||||||
| Comprehensive income, attributable to owners of parent |
235,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
1,507,000,000
EUR
|
— | — | — | — | — |
1,225,000,000
EUR
|
— | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | |||||||||||||||||||||
| Comprehensive income, attributable to non-controlling interests |
6,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
5,000,000
EUR
|
— | — | — | — | — |
8,000,000
EUR
|
— | — | — |