Disclosure Of Fair Value Measurement [Text Block]

Bouygues SA - Filing #834670

Concept	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	As at 2023-12-31	As at 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 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
Disclosure of fair value measurement [text block]		—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of fair value measurement of assets [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of fair value measurement of assets [abstract]
Disclosure of fair value measurement of assets [line items]
Assets	—	60,746,000,000 EUR	—	—	—	—	—	—	—	60,595,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Reconciliation of changes in fair value measurement, assets [abstract]
Disclosure of fair value measurement of equity [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of fair value measurement of equity [abstract]
Disclosure of fair value measurement of equity [line items]
Equity	—	14,112,000,000 EUR	2 746 EUR	2 996 EUR	6 124 EUR	1 704 EUR	123,000,000 EUR	12,408,000,000 EUR	665,000,000 EUR	13,932,000,000 EUR	2 567 EUR	5 637 EUR	3 176 EUR	1 720 EUR	886,000,000 EUR	54,000,000 EUR	12,212,000,000 EUR	88,000,000 EUR	2 825 EUR	5 213 EUR	3 306 EUR	12,789,000,000 EUR	112,000,000 EUR	11,144,000,000 EUR	1 645 EUR
Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract]