Analysis Of Income And Expense [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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||
| Revenue [abstract] | ||||||||||||
| Revenue | — | — | — | — |
6,860,000,000
EUR
|
— | — |
6,502,000,000
EUR
|
— | — | — | — |
| Material income and expense [abstract] | ||||||||||||
| Research and development expense | — | — | — | — |
286,000,000
EUR
|
— | — |
307,000,000
EUR
|
— | — | — | — |
| Selling, general and administrative expense [abstract] | ||||||||||||
| Selling, general and administrative expense | — | — | — | — |
1,882,000,000
EUR
|
— | — |
1,781,000,000
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 | — | — | — | — |
291,000,000
EUR
|
— | — |
395,000,000
EUR
|
— | — | — | — |
| Other comprehensive income, before tax, hedges of net investments in foreign operations | — | — | — | — |
22,000,000
EUR
|
— | — |
42,000,000
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 | — | — | — | — |
—
EUR
|
— | — |
—
EUR
|
— | — | — | — |
| Income tax relating to hedges of net investments in foreign operations included in other comprehensive income | — | — | — | — |
—
EUR
|
— | — |
1,000,000
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 | — | — | — | — |
—
EUR
|
— | — |
—
EUR
|
— | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income |
22,000,000
EUR
|
20,000,000
EUR
|
257,000,000
EUR
|
650,000,000
EUR
|
671,000,000
EUR
|
413,000,000
EUR
|
336,000,000
EUR
|
17,000,000
EUR
|
343,000,000
EUR
|
1,000,000
EUR
|
24,000,000
EUR
|
16,000,000
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — |
650,000,000
EUR
|
— | — |
16,000,000
EUR
|
— | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — |
22,000,000
EUR
|
— | — |
1,000,000
EUR
|
— | — | — | — |