Statement Of Comprehensive Income [Abstract]

ageas SA/NV - Filing #3105834

Concept	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	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
Statement of comprehensive income [abstract]
Profit (loss)	1 EUR	1 EUR	1 EUR	212 EUR	—	—	—	171 EUR	845 EUR	—	—	—	845 EUR	1 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) on remeasurements of defined benefit plans	—	150 EUR	202 EUR	52 EUR	—	150 EUR	—	18 EUR	—	—	79 EUR	—	79 EUR	97 EUR
Other comprehensive income that will not be reclassified to profit or loss, net of tax	—	—	202 EUR	—	—	—	—	—	—	—	—	—	—	97 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	—	21 EUR	15 EUR	6 EUR	21 EUR	—	—	1 EUR	—	—	—	290 EUR	290 EUR	291 EUR
Available-for-sale financial assets [abstract]
Other comprehensive income, net of tax, available-for-sale financial assets	—	—	5 EUR	—	—	—	—	—	—	—	—	—	—	137 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	—	5 EUR	6 EUR	1 EUR	—	—	5 EUR	7 EUR	—	296 EUR	—	—	296 EUR	303 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	—	—	490 EUR	—	—	—	—	—	—	—	—	—	—	168 EUR
Other comprehensive income that will be reclassified to profit or loss, net of tax	—	—	6 EUR	—	—	—	—	—	—	—	—	—	—	12 EUR
Other comprehensive income	—	—	6 EUR	—	—	—	—	—	—	—	—	—	—	85 EUR
Comprehensive income	1 EUR	3 EUR	4 EUR	1 EUR	21 EUR	150 EUR	5 EUR	183 EUR	845 EUR	296 EUR	79 EUR	290 EUR	918 EUR	1 EUR
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	3 EUR	—	—	—	—	—	—	—	—	—	—	918 EUR
Comprehensive income, attributable to non-controlling interests	—	—	1 EUR	—	—	—	—	—	—	—	—	—	—	183 EUR