Statement Of Changes In Equity [Abstract]

ageas SA/NV - Filing #3105839

Concept	As at 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 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	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	9 EUR	—	1 EUR	—	794 EUR	18 EUR	1 EUR	2 EUR	2 EUR	60 EUR	4 EUR	8 EUR	—	—	—	—	—	2 EUR	—	12 EUR	11 EUR	845 EUR	11 EUR	2 EUR	—	—	4 EUR	14 EUR	—	845 EUR	1 EUR	4 EUR	27 EUR	27 EUR	2 EUR	27 EUR	29 EUR	39 EUR	—	10 EUR	—	12 EUR	4 EUR	2 EUR	2 EUR	2 EUR	4 EUR	—	14 EUR	2 EUR	12 EUR	2 EUR	260 EUR	2 EUR	1 EUR	14 EUR	4 EUR	3 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	1 EUR	—	212 EUR	—	—	—	—	—	—	—	—	1 EUR	1 EUR	—	—	—	—	171 EUR	—	—	—	—	—	—	845 EUR	—	—	845 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1 EUR	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	—	6 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	85 EUR	—	—	—	—	—	—	—	—	—	—
Comprehensive income	—	4 EUR	—	1 EUR	—	—	—	—	—	—	—	—	1 EUR	3 EUR	21 EUR	150 EUR	5 EUR	—	183 EUR	—	—	—	—	—	79 EUR	918 EUR	—	—	845 EUR	—	—	—	—	—	—	—	—	—	290 EUR	—	296 EUR	—	—	—	—	—	—	1 EUR	—	—	—	—	—	—	—	—	—	—
Issue of equity	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2 EUR	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	1 EUR	—	268 EUR	—	—	—	—	—	—	—	—	—	765 EUR	—	765 EUR	—	—	140 EUR	—	—	—	—	—	485 EUR	485 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	625 EUR	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	—	42 EUR	—	69 EUR	—	—	—	—	—	—	—	—	—	27 EUR	—	27 EUR	—	—	6 EUR	—	—	—	—	—	20 EUR	21 EUR	—	—	—	—	—	—	—	—	—	—	—	—	1 EUR	—	—	—	—	—	—	—	—	27 EUR	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through treasury share transactions, equity	—	91 EUR	—	—	—	—	—	—	—	—	—	—	—	91 EUR	—	91 EUR	—	—	—	—	—	—	—	—	52 EUR	52 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	52 EUR	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	1 EUR	—	—	—	—	—	—	—	—	—	—	—	1 EUR	—	1 EUR	—	—	—	—	—	—	—	—	1 EUR	1 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1 EUR	—	—	—	—	—	—	—	—	—	—