Statement Of Changes In Equity [Abstract]

Altarea - Filing #5984460

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	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	As at 2024-12-31	2024-01-01 to 2024-12-31	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	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 2023-12-31	2023-01-01 to 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
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	—	—	3,346,000,000 EUR	1 468,6 EUR	7,000,000 EUR	—	1 694,3 EUR	—	—	3,307,000,000 EUR	3 162,9 EUR	1 029,7 EUR	—	—	—	3 219,6 EUR	—	—	1 472,1 EUR	—	3,169,000,000 EUR	149,000,000 EUR	1 747,5 EUR	—	4,204,000,000 EUR	1 025,2 EUR	—	1 699,3 EUR	3 959,5 EUR	1 584,4 EUR	305,000,000 EUR	3,114,000,000 EUR	2 375,2 EUR	3,950,000,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	– EUR	61,000,000 EUR	– EUR	—	—	—	800,000,000 EUR	—	861,000,000 EUR	– EUR	—	—	—	61,000,000 EUR	5,086,000,000 EUR	– EUR	—	4,729,000,000 EUR	357,000,000 EUR	—	– EUR	—	—	—	– EUR	—	—	4,729,000,000 EUR	—	—	—	—	—	—	—
Comprehensive income	– EUR	75,000,000 EUR	– EUR	—	—	—	800,000,000 EUR	—	875,000,000 EUR	– EUR	—	—	—	75,000,000 EUR	5,075,000,000 EUR	– EUR	—	4,720,000,000 EUR	357,000,000 EUR	—	– EUR	—	—	—	– EUR	—	—	4,720,000,000 EUR	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	– EUR	1,689,000,000 EUR	– EUR	—	—	—	834,000,000 EUR	—	2,523,000,000 EUR	1,640,000,000 EUR	—	—	—	49,000,000 EUR	2,813,000,000 EUR	– EUR	—	2,060,000,000 EUR	753,000,000 EUR	—	– EUR	—	—	—	33,000,000 EUR	—	—	2,027,000,000 EUR	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	– EUR	9,000,000 EUR	– EUR	—	—	—	1,000,000 EUR	—	8,000,000 EUR	– EUR	—	—	—	9,000,000 EUR	(0,0) EUR	– EUR	—	0 EUR	(0,0) EUR	—	– EUR	—	—	—	– EUR	—	—	0 EUR	—	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	– EUR	– EUR	– EUR	—	—	—	– EUR	—	– EUR	– EUR	—	—	—	– EUR	– EUR	– EUR	—	– EUR	– EUR	—	– EUR	—	—	—	– EUR	—	—	– EUR	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	– EUR	120,000,000 EUR	– EUR	—	—	—	– EUR	—	120,000,000 EUR	– EUR	—	—	—	120,000,000 EUR	160,000,000 EUR	– EUR	—	160,000,000 EUR	(0,0) EUR	—	– EUR	—	—	—	– EUR	—	—	160,000,000 EUR	—	—	—	—	—	—	—
Increase (decrease) in equity	– EUR	920,000,000 EUR	177,000,000 EUR	—	—	—	359,000,000 EUR	—	1,279,000,000 EUR	743,000,000 EUR	—	—	—	0 EUR	343,000,000 EUR	– EUR	—	343,000,000 EUR	1,000,000 EUR	—	55,000,000 EUR	—	—	—	287,000,000 EUR	—	—	0 EUR	—	—	—	—	—	—	—