Statement Of Comprehensive Income [Abstract]
| Concept |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||
| Profit (loss) | — | — |
2,006,000,000
EUR
|
2,006,000,000
EUR
|
— |
1,000,000
EUR
|
— |
2,005,000,000
EUR
|
2,873,000,000
EUR
|
— |
7,000,000
EUR
|
2,873,000,000
EUR
|
— | — |
2,880,000,000
EUR
|
— |
| Other comprehensive income [abstract] | ||||||||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||||
| Other comprehensive income, net of tax, gains (losses) from investments in equity instruments | — | — | — | — | — | — | — |
41,000,000
EUR
|
— | — | — | — | — | — |
11,000,000
EUR
|
— |
| Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans | — | — | — | — | — | — | — |
138,000,000
EUR
|
— | — | — | — | — | — |
208,000,000
EUR
|
— |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will not be reclassified to profit or loss, net of tax | — | — | — | — | — | — | — |
3,000,000
EUR
|
— | — | — | — | — | — |
-
EUR
|
— |
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — | — | — | — | — | — | — |
97,000,000
EUR
|
— | — | — | — | — | — |
197,000,000
EUR
|
— |
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||||
| Exchange differences on translation [abstract] | ||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations | — | — | — | — | — | — | — |
9,000,000
EUR
|
— | — | — | — | — | — |
3,000,000
EUR
|
— |
| Financial assets measured at fair value through other comprehensive income [abstract] | ||||||||||||||||
| Other comprehensive income, net of tax, financial assets measured at fair value through other comprehensive income | — | — | — | — | — | — | — |
20,000,000
EUR
|
— | — | — | — | — | — |
62,000,000
EUR
|
— |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, net of tax | — | — | — | — | — | — | — |
885,000,000
EUR
|
— | — | — | — | — | — |
164,000,000
EUR
|
— |
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — | — | — | — | — | — | — |
29,000,000
EUR
|
— | — | — | — | — | — |
65,000,000
EUR
|
— |
| Other comprehensive income |
41,000,000
EUR
|
865,000,000
EUR
|
950,000,000
EUR
|
— |
9,000,000
EUR
|
— |
135,000,000
EUR
|
950,000,000
EUR
|
426,000,000
EUR
|
3,000,000
EUR
|
— | — |
208,000,000
EUR
|
226,000,000
EUR
|
426,000,000
EUR
|
11,000,000
EUR
|
| Comprehensive income |
41,000,000
EUR
|
865,000,000
EUR
|
2,956,000,000
EUR
|
2,006,000,000
EUR
|
9,000,000
EUR
|
1,000,000
EUR
|
135,000,000
EUR
|
2,955,000,000
EUR
|
3,299,000,000
EUR
|
3,000,000
EUR
|
7,000,000
EUR
|
2,873,000,000
EUR
|
208,000,000
EUR
|
226,000,000
EUR
|
3,306,000,000
EUR
|
11,000,000
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — | — |
2,956,000,000
EUR
|
— | — | — | — | — | — |
3,299,000,000
EUR
|
— |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — | — |
1,000,000
EUR
|
— | — | — | — | — | — |
7,000,000
EUR
|
— |