Statement Of Changes In Equity [Abstract]

ageas SA/NV - Filing #5970941

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	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	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	—	—	2,469,000,000 EUR	—	4,859,000,000 EUR	—	—	2,051,000,000 EUR	—	1,502,000,000 EUR	1,045,000,000 EUR	56,000,000 EUR	—	7,752,000,000 EUR	—	—	5,408,000,000 EUR	8,797,000,000 EUR	—	7,000,000 EUR	1,118,000,000 EUR	6,000,000 EUR	—	—	—	8,499,000,000 EUR	2,453,000,000 EUR	—	953,000,000 EUR	—	481,000,000 EUR	—	—	—	1,077,000,000 EUR	—	2,051,000,000 EUR	—	1,502,000,000 EUR	233,000,000 EUR	5,115,000,000 EUR	—	7,422,000,000 EUR	7,936,000,000 EUR	46,000,000 EUR	1,097,000,000 EUR	245,000,000 EUR	2,096,000,000 EUR	961,000,000 EUR	2,051,000,000 EUR	1,502,000,000 EUR	26,000,000 EUR	4,594,000,000 EUR	6,975,000,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	1,118,000,000 EUR	- EUR	- EUR	—	1,118,000,000 EUR	—	- EUR	- EUR	—	- EUR	—	—	—	191,000,000 EUR	—	1,309,000,000 EUR	- EUR	—	—	- EUR	—	—	—	1,177,000,000 EUR	953,000,000 EUR	- EUR	—	—	- EUR	—	953,000,000 EUR	—	- EUR	224,000,000 EUR	- EUR	—	- EUR	—	- EUR	—	—	—	- EUR	—	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	- EUR	1,988,000,000 EUR	2,406,000,000 EUR	—	128,000,000 EUR	—	- EUR	- EUR	—	289,000,000 EUR	—	—	—	29,000,000 EUR	—	157,000,000 EUR	- EUR	—	—	1,000,000 EUR	—	—	—	214,000,000 EUR	- EUR	38,000,000 EUR	—	—	2,577,000,000 EUR	—	72,000,000 EUR	—	2,208,000,000 EUR	142,000,000 EUR	- EUR	—	259,000,000 EUR	—	- EUR	—	—	—	- EUR	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	1,118,000,000 EUR	1,988,000,000 EUR	2,406,000,000 EUR	—	990,000,000 EUR	—	- EUR	- EUR	—	289,000,000 EUR	—	—	—	162,000,000 EUR	—	1,152,000,000 EUR	- EUR	—	—	1,000,000 EUR	—	—	—	1,391,000,000 EUR	953,000,000 EUR	38,000,000 EUR	—	—	2,577,000,000 EUR	—	1,025,000,000 EUR	—	2,208,000,000 EUR	366,000,000 EUR	- EUR	—	259,000,000 EUR	—	- EUR	—	—	—	- EUR	—	—	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	- EUR	- EUR	- EUR	—	584,000,000 EUR	—	- EUR	- EUR	—	- EUR	—	—	—	229,000,000 EUR	—	813,000,000 EUR	584,000,000 EUR	—	—	- EUR	—	—	—	782,000,000 EUR	- EUR	- EUR	—	—	- EUR	—	540,000,000 EUR	—	- EUR	242,000,000 EUR	- EUR	—	- EUR	—	- EUR	—	—	—	540,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	- EUR	- EUR	- EUR	—	1,000,000 EUR	—	- EUR	- EUR	—	- EUR	—	—	—	35,000,000 EUR	—	34,000,000 EUR	1,000,000 EUR	—	—	- EUR	—	—	—	46,000,000 EUR	- EUR	2,000,000 EUR	—	—	- EUR	—	38,000,000 EUR	—	- EUR	8,000,000 EUR	- EUR	—	- EUR	—	- EUR	—	—	—	36,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through treasury share transactions, equity	- EUR	- EUR	- EUR	—	75,000,000 EUR	—	- EUR	- EUR	—	- EUR	—	—	—	- EUR	—	75,000,000 EUR	75,000,000 EUR	—	—	- EUR	—	—	—	- EUR	- EUR	- EUR	—	—	- EUR	—	- EUR	—	- EUR	- EUR	- EUR	—	- EUR	—	- EUR	—	—	—	- EUR	—	—	—	—	—	—	—	—	—	—	—	—