Statement Of Cash Flows [Abstract]

ageas SA/NV - Filing #3105706

Concept	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	As at 2021-12-31
Statement of cash flows [abstract]
Cash flows from (used in) operating activities [abstract]
Interest paid, classified as operating activities	242,000,000 EUR	—	—	174,000,000 EUR	—
Interest received, classified as operating activities	75,000,000 EUR	—	—	179,000,000 EUR	—
Income taxes paid (refund), classified as operating activities	226,000,000 EUR	—	—	160,000,000 EUR	—
Cash flows from (used in) operating activities	124,000,000 EUR	—	—	1,019,000 EUR	—
Cash flows from (used in) investing activities [abstract]
Proceeds from sales of property, plant and equipment, classified as investing activities	21,000,000 EUR	—	—	21,000,000 EUR	—
Purchase of property, plant and equipment, classified as investing activities	146,000,000 EUR	—	—	82,000,000 EUR	—
Proceeds from sales of intangible assets, classified as investing activities	3,000,000 EUR	—	—	12,000,000 EUR	—
Purchase of intangible assets, classified as investing activities	93,000,000 EUR	—	—	78,000,000 EUR	—
Cash flows from (used in) investing activities	1,353,000 EUR	—	—	617,000,000 EUR	—
Cash flows from (used in) financing activities [abstract]
Payments to acquire or redeem entity's shares	—	—	—	91,000,000 EUR	—
Proceeds from borrowings, classified as financing activities	34,000,000 EUR	—	—	34,000,000 EUR	—
Repayments of borrowings, classified as financing activities	117,000,000 EUR	—	—	167,000,000 EUR	—
Cash flows from (used in) financing activities	868,000,000 EUR	—	—	1,259,000 EUR	—
Effect of exchange rate changes on cash and cash equivalents [abstract]
Effect of exchange rate changes on cash and cash equivalents	1,000,000 EUR	—	—	20,000,000 EUR	—
Cash and cash equivalents	—	1,875,000 EUR	1,176,000 EUR	—	2,142,000 EUR