Statement Of Changes In Equity [Abstract]

STRABAG SE - Filing #998565

Concept	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	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	As at 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	2023-01-01 to 2023-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 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	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	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	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
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	65,682 EUR	—	—	4.409.360 EUR	—	2.657.841 EUR	—	—	18,443 EUR	—	—	102,600 EUR	51,668 EUR	4.390.917 EUR	115,000 EUR	1.747.941 EUR	—	—	4.025.243 EUR	—	—	79,326 EUR	—	—	—	—	22,392 EUR	1.935.488 EUR	102,600 EUR	59,977 EUR	4.002.851 EUR	—	—	18,260 EUR	2.085.806 EUR	—	2.085.806 EUR	2.067.758 EUR	4.071.822 EUR	47,209 EUR	103,399 EUR	4.047.506 EUR	24,316 EUR	58,050 EUR	102,600 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	633,394 EUR	– EUR	—	630,508 EUR	—	2,886 EUR	630,508 EUR	—	– EUR	– EUR	—	—	—	—	—	– EUR	– EUR	—	– EUR	480,129 EUR	—	472,454 EUR	7,675 EUR	– EUR	– EUR	—	—	—	—	—	– EUR	472,454 EUR	—	—	– EUR	—	—	—	—	—	—	—	—	—
Other comprehensive income	—	3,659 EUR	13,821 EUR	—	3,755 EUR	—	96,000 EUR	– EUR	—	8,309 EUR	– EUR	—	—	—	—	—	– EUR	18,375 EUR	—	– EUR	87,661 EUR	—	– EUR	46,000 EUR	65,469 EUR	– EUR	—	—	—	—	—	24,073 EUR	87,615 EUR	—	—	1,927 EUR	—	—	—	—	—	—	—	—	—
Comprehensive income	—	637,053 EUR	13,821 EUR	—	634,263 EUR	—	2,790 EUR	630,508 EUR	—	8,309 EUR	– EUR	—	—	—	—	—	– EUR	18,375 EUR	—	– EUR	567,790 EUR	—	472,454 EUR	7,721 EUR	65,469 EUR	– EUR	—	—	—	—	—	24,073 EUR	560,069 EUR	—	—	1,927 EUR	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	203,137 EUR	– EUR	—	199,642 EUR	—	3,495 EUR	199,642 EUR	—	– EUR	– EUR	—	—	—	—	—	– EUR	– EUR	—	– EUR	214,694 EUR	—	205,200 EUR	9,494 EUR	– EUR	– EUR	—	—	—	—	—	– EUR	205,200 EUR	—	—	– EUR	—	—	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	—	0 EUR	177,000 EUR	—	0 EUR	—	– EUR	177,000 EUR	—	– EUR	– EUR	—	—	—	—	—	– EUR	– EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—