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Basis Of Presentation The Company's Activities And Consolidation Scope - Narrative (Details) £ in Millions | 12 Months Ended |  |  |  |
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Dec. 31, 2025 GBP (£) | Dec. 31, 2024 EUR (€) year | Dec. 31, 2024 USD ($) | Dec. 31, 2023 EUR (€) | Dec. 31, 2023 GBP (£) | Dec. 31, 2022 EUR (€) | Dec. 31, 2022 GBP (£) | Dec. 31, 2025 EUR (€) | Dec. 31, 2024 GBP (£) year | Dec. 31, 2024 INR (₨) year | Dec. 31, 2024 USD ($) year | Dec. 31, 2023 GBP (£) | Dec. 31, 2021
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage holding the majority of voting rights |  | 49.00% | 49.00% |  |  |  |  |  |  |  |  |  |
Recognition of a capital gain |  | € 19,000,000 |  |  |  |  |  |  |  |  |  |  |
Minimum share | $ |  |  |  |  |  |  |  |  |  |  | $ 400,000,000 |  |
Maximun shares | $ |  |  |  |  |  |  |  |  |  |  | $ 600,000,000 |  |
Once adjusted with the ticking fees accrued as from the signing of the sale and purchase agreement |  |  |  | € 43,400,000 |  |  |  |  |  |  |  |  |
Number of reportable segments | year |  | 4 |  |  |  |  |  |  | 4 | 4 | 4 |  |
Total price of the shares received by Ferrovial after the price adjustment for the sale Portobello Capital of the infrastructure upkeep and maintenance business in Spain |  |  |  |  |  | € 175,000,000 |  |  |  |  |  |  |
Net consideration of the sale of the amey business in the Uk discontinued operations |  |  |  | € 301,300,000 |  |  |  |  |  |  |  | £ 264.6 |
Annual interest associated with the vendor loan |  |  |  | 6.00% | 6.00% |  |  |  |  |  |  |  |
Annual interest after three years associated with the vendor loan |  |  |  | 8.00% | 8.00% |  |  |  |  |  |  |  |
Capital gain as a result of the sale business in the Uk discontinued operations |  |  |  | € 58,300,000 |  |  |  |  |  |  |  |  |
The transfer to the income statement of the currency translation differences as a result of the sale of the amey business in the Uk discontinued operations |  |  |  | (155,600,000) |  |  |  |  |  |  |  |  |
Changes in fair value of derivatives as a result of the sale of the amey business in the Uk discontinued operations |  |  |  | (15,400,000) |  |  |  |  |  |  |  |  |
Sale of the business activity providing financial management services for PFI project companies in the United Kingdom through the subsidiary amey | £ |  |  |  |  |  |  | £ 5.0 |  |  |  |  |  |
Sale of ameys business area engaged in energy and water infrastructure maintenance | £ |  |  |  |  | £ 20.3 |  |  |  |  |  |  |  |
Deferral of payment associated with the sale of the Amey business area dedicated to maintenance and water | £ |  |  |  |  |  |  |  |  |  |  |  | 18.0 |
Ownership interest of the Ferrovial |  | € 2,023,000,000 |  |  |  |  |  |  |  |  |  |  |
Liabilities included in disposal groups classified as held for sale |  | 24,000,000 |  | 0 |  |  |  |  |  |  |  |  |
Non-current assets or disposal groups classified as held for sale or as held for distribution to owners |  | 56,000,000 |  | 0 |  |  |  |  |  |  |  |  |
Capital gain before taxes |  | € 0.95 |  |  |  |  |  |  |  |  |  |  |
Parcentage of debt commitments in AGS |  | 50.00% | 50.00% |  |  |  |  |  |  |  |  |  |
Tax rate effect of tax losses |  | 1.25% | 1.25% |  |  |  |  |  |  |  |  |  |
Adjustments for deferred tax of prior periods |  | € 15,000,000 |  |  |  |  |  |  |  |  |  |  |
Percentage of economic rights and majority of voting rights |  | 100.00% |  |  |  |  |  |  | 100.00% | 100.00% | 100.00% |  |
Positive impacts |  |  |  | 43,000,000 |  |  |  |  |  |  |  |  |
Impairment and disposals impact on profit loss before tax |  | € 2,208,000,000 |  | 35,000,000 |  | (6,000,000) |  |  |  |  |  |  |
Profit (loss) from discontinued operations |  | 14,000,000 |  | 16,000,000 |  | 64,000,000 |  |  |  |  |  |  |
Long term loans in associates [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Subordinated loan granted per share holders nominal amount AGS | £ |  |  |  |  |  |  |  |  | £ 195.0 |  |  |  |
Capital gains and disposals [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Impairment and disposals impact on profit loss before tax |  | 2,209,000,000 |  | 39,000,000 |  | (3,000,000) |  |  |  |  |  |  |
Vertiports sale [Member] | Capital gains and disposals [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Impairment and disposals impact on profit loss before tax |  | 2,000,000 |  |  |  |  |  |  |  |  |  |  |
IRB sale 5% [Member] | Capital gains and disposals [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Impairment and disposals impact on profit loss before tax |  | € 132,000,000 |  |  |  |  |  |  |  |  |  |  |
Exchange rate interval maximum [Member] | India, Rupees |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Exchange rate |  | 90.2 |  |  |  |  |  |  |  |  |  |  |
Toll roads division [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage holding the majority of voting rights |  | 51.00% | 51.00% |  |  |  |  |  |  |  |  |  |
Recognition of a capital gain |  | € 19,000,000 |  |  |  |  |  |  |  |  |  |  |
Capital gain transaction price |  | 100,000,000 |  |  |  |  |  |  |  |  |  |  |
Expected investment of approximately |  | 3,100,000,000 | $ 3,400,000,000 |  |  |  |  |  |  |  |  |  |
Amount of the sale of the land owned by Sothern Crushed Concrete to the company BCG Investment Group |  | 0.892 |  |  |  |  |  |  |  |  |  |  |
Amount of the sale of the Azores highway to the infrastructure funds Horizon and RiverRock (duration, debit) |  |  |  | 42,600,000 |  |  |  |  |  |  |  |  |
Impairment and disposal of fixed assets of the income statement of the sale of Azores |  | 39,000,000 |  |  |  |  |  |  |  |  |  |  |
Profit (loss) from discontinued operations |  | € 0 |  | 0 |  | € 0 |  |  |  |  |  |  |
Energy Division [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of the adquisition |  | 100.00% |  |  |  |  |  |  | 100.00% | 100.00% | 100.00% |  |
Total investment related to the acquisition |  | € 13,800,000 |  |  |  |  |  |  |  |  | $ 14,300,000 |  |
In the form of cash [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Net consideration of the sale of the amey business in the Uk discontinued operations |  |  |  | 128,500,000 |  |  |  |  |  |  |  | 112.8 |
Vendor loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Net consideration of the sale of the amey business in the Uk discontinued operations |  |  |  | € 172,800,000 |  |  |  |  |  |  |  | £ 151.8 |
FGP Topco limited [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in associate |  | 19.75% | 19.75% |  |  |  |  |  |  |  |  |  |
Annual interest associated with the vendor loan |  | 25.00% | 25.00% |  |  |  |  |  |  |  |  |  |
Percentage of the sale of the FGP Topco |  | 19.75% | 19.75% |  |  |  |  |  |  |  |  |  |
Total stake retain by Ferrovial for associates |  | 25.00% | 25.00% |  |  |  |  |  |  |  |  |  |
Percentage of the ferrovials stake in the asset |  | 5.25% | 5.25% |  |  |  |  |  |  |  |  |  |
FGP Topco limited [Member] | June [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of shares acquired |  | 37.62% |  |  |  |  |  |  | 37.62% | 37.62% | 37.62% |  |
Fair value of acquired receivables | £ |  |  |  |  |  |  |  |  | £ 3,259.0 |  |  |  |
Percentage of the ferrovials stake in the asset |  | 19.75% | 19.75% |  |  |  |  |  |  |  |  |  |
FGP Topco limited [Member] | HAH 5.25% stake divestment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Approximate amount of the sale of all remaining shares | £ |  |  |  |  |  |  |  |  | £ 455.0 |  |  |  |
Percentage of the sale of all of its remaining shares |  | 5.25% |  |  |  |  |  |  | 5.25% | 5.25% | 5.25% |  |
FGP Topco limited [Member] | Financial investment carried at fair value [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of the sale of the FGP Topco |  | 19.75% | 19.75% |  |  |  |  |  |  |  |  |  |
Percentage ownership interest of the Ferrovial |  | 5.25% | 5.25% |  |  |  |  |  |  |  |  |  |
Positive impacts |  | € 547,000,000 |  |  |  |  |  |  |  |  |  |  |
FGP Topco limited [Member] | Airports division [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of the sale of the FGP Topco |  | 19.75% | 19.75% |  |  |  |  |  |  |  |  |  |
AGS airports holdings limited [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in associate |  | 50.00% | 50.00% |  |  |  |  |  |  |  |  |  |
Proceeds from sale or issue of treasury shares | £ | £ 900.0 |  |  |  |  |  |  |  |  |  |  |  |
AGS airports holdings limited [Member] | AGS Divestment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Capital gain transaction price |  |  |  |  |  |  |  | € 297,000,000 |  |  |  |  |
Proceeds from sale or issue of treasury shares | £ | 900.0 |  |  |  |  |  |  |  |  |  |  |  |
Percentage of sale of all participation |  |  |  |  |  |  |  | € 1 |  |  |  |  |
AGS airports holdings limited [Member] | Long term loans in associates [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Subordinated loan granted per share holders nominal amount AGS |  | € 235,000,000 |  |  |  |  |  |  |  |  |  |  |
AGS airports holdings limited [Member] | Macquari [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of sale of all participation |  | € 0.50 |  |  |  |  |  |  |  |  |  |  |
IRB infrastructure developers limited [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of the adquisition |  | 5.00% |  |  |  |  |  |  | 5.00% | 5.00% | 5.00% |  | 24.86%
Value of the transaction related to the acquisition by the subsidiary cintra |  | € 215,000,000 |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in associate |  | 19.86% | 19.86% |  |  |  |  |  |  |  |  |  |
Percentage of acquisition of direct ownership interest |  | 19.86% | 19.86% |  |  |  |  |  |  |  |  |  |
Capital gain before taxes |  | € 133,000,000 |  |  |  |  |  |  |  |  |  |  |
Cost of sales |  | € 215,000,000 |  |  |  |  |  |  |  |  |  |  |
Total stake retain by Ferrovial for associates |  | 5.00% | 5.00% |  |  |  |  |  |  |  |  |  |
IRB infrastructure developers limited [Member] | Exchange rate interval minimum [Member] | India, Rupees |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Exchange rate |  | 89.3 |  |  |  |  |  |  |  |  |  |  |
IRB infrastructure developers limited [Member] | Toll roads division [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Shares with institutional investors on the National Stock Exchange (NBE) and the Bombay Stock Exchange (BSE) |  | € 301,900,000 |  |  |  |  |  |  |  |  |  |  |
Percentage Of Ferrovials Value That Came From Activities Outside Spain |  | 19.86% |  |  |  |  |  |  | 19.86% | 19.86% | 19.86% |  |
Percentage adquired by Ferrovial subsidiary of the buyers capital |  | 23.99% |  |  |  |  |  |  | 23.99% | 23.99% | 23.99% |  |
Shares in IRB were sold at an average price | ₨ |  |  |  |  |  |  |  |  |  | ₨ 63.60 |  |  |
Percentage after transaction owned |  | 51.00% |  |  |  |  |  |  | 51.00% | 51.00% | 51.00% |  |
Percentage of indirect participation held by Ferrovial |  | 19.86% |  |  |  |  |  |  | 19.86% | 19.86% | 19.86% |  |
IRB Infrastructure Trust (Private InvIT) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in associate |  | 23.99% | 23.99% |  |  |  |  |  |  |  |  |  |
Total investment related to the acquisition |  | € 652,000,000 |  |  |  |  |  |  |  |  |  |  |
Total stake retain by Ferrovial for associates |  | 34.10% | 34.10% |  |  |  |  |  |  |  |  |  |
IRB Infrastructure Trust (Private InvIT) [Member] | Toll roads division [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of shareholding is consolidated using the equity method |  | 23.99% | 23.99% |  |  |  |  |  |  |  |  |  |
Carrying amount acquisition |  | € 300,000,000 |  |  |  |  |  |  |  |  |  |  |
Fair value adjustment |  | € 90,000,000 |  |  |  |  |  |  |  |  |  |  |
Percentage adquired by Ferrovial subsidiary of the buyers capital |  | 23.99% |  |  |  |  |  |  | 23.99% | 23.99% | 23.99% |  |
Total investment related to the acquisition |  | € 652,000,000 |  |  |  |  |  |  |  |  |  |  |
Outstanding capital commitments on projects |  | 18,000,000 |  |  |  |  |  |  |  |  |  |  |
Percentage transaction owned |  | € 0.49 |  |  |  |  |  |  |  |  |  |  |
Percentage after transaction owned |  | 25.00% |  |  |  |  |  |  | 25.00% | 25.00% | 25.00% |  |
Percentage of indirect participation held by Ferrovial |  | 34.10% |  |  |  |  |  |  | 34.10% | 34.10% | 34.10% |  |
Proportion of ownership interest in subsidiary |  | 19.86% | 19.86% |  |  |  |  |  |  |  |  |  |
Percentage held in shares |  | 23.99% |  |  |  |  |  |  | 23.99% | 23.99% | 23.99% |  |
IRB Infrastructure Trust (Private InvIT) [Member] | Toll roads division [Member] | Exchange rate interval maximum [Member] | India, Rupees |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Exchange rate |  | 90.21 |  |  |  |  |  |  |  |  |  |  |
IRB Infrastructure Trust (Private InvIT) [Member] | Toll roads division [Member] | Exchange rate interval minimum [Member] | India, Rupees |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Exchange rate |  | 89.2 |  |  |  |  |  |  |  |  |  |  |
IRB Infrastructure Trust (Private InvIT) [Member] | IRB infrastructure developers limited [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total investment related to the acquisition |  | € 58,000,000 |  |  |  |  |  |  |  |  |  |  |
IRB Infrastructure Trust (Private InvIT) [Member] | IRB infrastructure developers limited [Member] | Exchange rate interval maximum [Member] | India, Rupees |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Exchange rate |  | 87.83 |  |  |  |  |  |  |  |  |  |  |
Anillo Vial Periférico Project [Member] | Toll roads division [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Consortium led by our toll roads subsidiary |  | € 0.35 |  |  |  |  |  |  |  |  |  |  |
Acciona and Sacyr [Member] | Toll roads division [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Consortium led by our toll roads subsidiary |  | € 0.325 |  |  |  |  |  |  |  |  |  |  |
Heathrow Airport in London [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of acquisition of direct ownership interest |  | 5.25% | 5.25% |  |  |  |  |  |  |  |  |  |
Ferrovial [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale or issue of treasury shares | £ | 450.0 |  |  |  |  |  |  |  |  |  |  |  |
Ferrovial [Member] | AGS Divestment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale or issue of treasury shares | £ | £ 450.0 |  |  |  |  |  |  |  |  |  |  |  |
Grupo Serveo, S.L. |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage adquired by Ferrovial subsidiary of the buyers capital |  |  |  |  |  | 24.80% |  |  |  |  |  |  |
Price associated with the percentage adquired by ferrovial subsidiary of the buyers capital |  |  |  |  |  | € 17,500,000 |  |  |  |  |  |  |
Capital gain before taxes |  | € 33,000,000 |  |  |  |  |  |  |  |  |  |  |
Capital gain net of tax |  | 55,000,000 |  |  |  |  |  |  |  |  |  |  |
Cost of sales |  | € 0.2478 |  |  |  |  |  |  |  |  |  |  |
Total stake retain by Ferrovial for associates |  | 24.78% | 24.78% |  |  |  |  |  |  |  |  |  |
Ganga Expressway Project "Ganga" [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of the adquisition |  | 80.40% |  |  |  |  |  |  | 80.40% | 80.40% | 80.40% |  |
Ganga Expressway Project "Ganga" [Member] | Toll roads division [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Exchange rate |  | 0.804 |  |  |  |  |  |  | 0.804 | 0.804 | 0.804 |  |
Proportion of ownership interest in subsidiary |  | 19.60% | 19.60% |  |  |  |  |  |  |  |  |  |
JFKNTO sponsor aggregator LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in associate |  | 49.00% | 49.00% |  |  |  |  |  |  |  |  |  |
JFKNTO sponsor aggregator LLC [Member] | Toll roads division [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in associate |  | 49.00% | 49.00% |  |  |  |  |  |  |  |  |  |
407 International Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in associate |  | 43.23% | 43.23% |  |  |  |  |  |  |  |  |  |
407 International Inc [Member] | Toll roads division [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in associate |  | 43.23% | 43.23% |  |  |  |  |  |  |  |  |  |
Cintra [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Detail of information about basis of presentation company activities and consolidation scope [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum share | $ |  |  |  |  |  |  |  |  |  |  | $ 140,000,000 |  |
Maximun shares | $ |  |  |  |  |  |  |  |  |  |  | $ 210,000,000 |  |

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