XML 407 R239.htm IDEA: XBRL DOCUMENT v3.25.0.1
Appendix I. Associate companies (equity-accounted companies) (million euro) (Details) - EUR (€)
 1 Months Ended 12 Months Ended
Sep. 30, 2024
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of associates [line items]        
Investments in associates accounted for using equity method € 3,023,000,000 € 3,023,000,000 € 2,038,000,000 € 1,951,000,000
Assets   28,999,000,000 26,318,000,000  
Liabilities   20,879,000,000 20,439,000,000  
Revenue 9,147,000,000 9,147,000,000 8,514,000,000 7,551,000,000
Profit (loss)   € 3,490,000,000 511,000,000 305,000,000
407 International Inc [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   43.23%    
Investments in associates accounted for using equity method 778,000,000   928,000,000 1,063,000,000
IRB infrastructure developers limited [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   19.86%    
Investments in associates accounted for using equity method 315,000,000   376,000,000 377,000,000
JFKNTO sponsor aggregator LLC [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   49.00%    
Investments in associates accounted for using equity method 1,006,000,000   471,000,000 235,000,000
Construction division [Member]        
Disclosure of associates [line items]        
Revenue 7,234,000,000 € 7,234,000,000 6,869,000,000 6,280,000,000
Profit (loss)   258,000,000 98,000,000 65,000,000
Toll roads division [Member]        
Disclosure of associates [line items]        
Revenue 1,256,000,000 1,256,000,000 1,085,000,000 780,000,000
Profit (loss)   € 663,000,000 548,000,000 157,000,000
Toll roads division [Member] | 407 International Inc [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   43.23%    
Toll roads division [Member] | JFKNTO sponsor aggregator LLC [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   49.00%    
Airports division [Member]        
Disclosure of associates [line items]        
Revenue € 91,000,000   80,000,000 54,000,000
CANADA        
Disclosure of associates [line items]        
Revenue   € 246,000,000 161,000,000 100,000,000
CANADA | Construction division [Member] | Ontario transit groupInc [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   50.00%    
Investments in associates accounted for using equity method   € 0    
Assets   1,046,000,000    
Liabilities   1,078,000,000    
Revenue   409,000,000    
Profit (loss)   € 0    
CANADA | Toll roads division [Member] | 407 International Inc [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   43.20%    
Investments in associates accounted for using equity method   € 778,000,000    
Assets   3,866,000,000    
Liabilities   8,029,000,000    
Revenue   1,151,000,000    
Profit (loss)   467,000,000    
SPAIN        
Disclosure of associates [line items]        
Revenue   € 1,582,000,000 1,475,000,000 1,154,000,000
SPAIN | Construction division [Member] | Via olmedo pedralba sa [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   7.20%    
Investments in associates accounted for using equity method   € 1,000,000    
Assets   5,000,000    
Liabilities   2,000,000    
Revenue   5,000,000    
Profit (loss)   € 0    
SPAIN | Construction division [Member] | Boremer S.A. [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   50.00%    
Investments in associates accounted for using equity method   € 1,000,000    
Assets   2,000,000    
Liabilities   1,000,000    
Revenue   0    
Profit (loss)   € 0    
SPAIN | Toll roads division [Member] | Bip & drive sa [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   25.00%    
Investments in associates accounted for using equity method   € 6,000,000    
Assets   38,000,000    
Liabilities   13,000,000    
Revenue   18,000,000    
Profit (loss)   € 4,000,000    
SPAIN | Toll roads division [Member] | Empresa de mantenimiento y explotación m30 sa [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   50.00%    
Investments in associates accounted for using equity method   € (34,000,000)    
Assets   238,000,000    
Liabilities   238,000,000    
Revenue   37,000,000    
Profit (loss)   € 10,000,000    
SPAIN | Toll roads division [Member] | Madrid calle 30 S.A. [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   20.00%    
Investments in associates accounted for using equity method   € 56,000,000    
Assets   730,000,000    
Liabilities   169,000,000    
Revenue   158,000,000    
Profit (loss)   68,000,000    
UNITED STATES        
Disclosure of associates [line items]        
Revenue   € 3,271,000,000 2,879,000,000 2,906,000,000
UNITED STATES | Construction division [Member] | Pepper lawson horizonIntl group [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   70.00%    
Investments in associates accounted for using equity method   € 0    
Assets   0    
Liabilities   0    
Revenue   1,000,000    
Profit (loss)   € 0    
UNITED STATES | Construction division [Member] | ConnectedWorks, LLC        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   40.00%    
Investments in associates accounted for using equity method   € 0    
Assets   0    
Liabilities   0    
Revenue   0    
Profit (loss)   € 0    
UNITED STATES | Airports division [Member] | JFKNTO sponsor aggregator LLC [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   51.00%    
Investments in associates accounted for using equity method   € 1,006,000,000    
Assets   10,436,000,000    
Liabilities   8,547,000,000    
Revenue   68,000,000    
Profit (loss)   7,000,000    
POLAND        
Disclosure of associates [line items]        
Revenue   € 2,119,000,000 2,160,000,000 1,842,000,000
POLAND | Construction division [Member] | Pphu promos spzoo [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   26.30%    
Investments in associates accounted for using equity method   € 1,000,000    
Assets   3,000,000    
Liabilities   1,000,000    
Revenue   3,000,000    
Profit (loss)   € 0    
AUSTRALIA | Toll roads division [Member] | Nexus infrastructure holdings unit trust [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   40.00%    
Investments in associates accounted for using equity method   € 3,000,000    
Assets   18,000,000    
Liabilities   0    
Revenue   0    
Profit (loss)   € 0    
AUSTRALIA | Toll roads division [Member] | Nexus infr unit trust toowoomba [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   100.00%    
Investments in associates accounted for using equity method   € 10,000,000    
Assets   37,000,000    
Liabilities   16,000,000    
Revenue   37,000,000    
Profit (loss)   € 3,000,000    
AUSTRALIA | Toll roads division [Member] | Nexus infrastructure holdings pty ltd [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   40.00%    
Investments in associates accounted for using equity method   € 0    
Assets   0    
Liabilities   0    
Revenue   0    
Profit (loss)   € 0    
AUSTRALIA | Toll roads division [Member] | Nexus Infrastructure PTY Ltd        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   100.00%    
Investments in associates accounted for using equity method   € 0    
Assets   0    
Liabilities   0    
Revenue   0    
Profit (loss)   € 0    
AUSTRALIA | Toll roads division [Member] | Netflow osars western gp [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   50.00%    
Investments in associates accounted for using equity method   € 38,000,000    
Assets   151,000,000    
Liabilities   74,000,000    
Revenue   25,000,000    
Profit (loss)   € 3,000,000    
COLOMBIA | Toll roads division [Member] | Concesionaria ruta del cacao sas [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   30.00%    
Investments in associates accounted for using equity method   € 27,000,000    
Assets   736,000,000    
Liabilities   644,000,000    
Revenue   139,000,000    
Profit (loss)   € 22,000,000    
INDIA | Toll roads division [Member] | IRB infrastructure developers limited [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   19.90%    
Investments in associates accounted for using equity method   € 315,000,000    
Assets   5,025,000,000    
Liabilities   3,463,000,000    
Revenue   894,000,000    
Profit (loss)   € 50,000,000    
INDIA | Toll roads division [Member] | I MMK Toll Road Private Limited        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   51.00%    
Investments in associates accounted for using equity method   € 0    
Assets   1,000,000    
Liabilities   0    
Revenue   0    
Profit (loss)   € 0    
INDIA | Toll roads division [Member] | II MMK Toll Road Private Limited        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   24.00%    
Investments in associates accounted for using equity method   € 0    
Assets   0    
Liabilities   0    
Revenue   0    
Profit (loss)   € 0    
INDIA | Toll roads division [Member] | I IRB Infrastructure Trust        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   51.00%    
Investments in associates accounted for using equity method   € 704,000,000    
Assets   4,800,000,000    
Liabilities   3,107,000,000    
Revenue   243,000,000    
Profit (loss)   € (24,000,000)    
INDIA | Toll roads division [Member] | II IRB Infrastructure Trust        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   24.00%    
Investments in associates accounted for using equity method   € 0    
Assets   0    
Liabilities   0    
Revenue   0    
Profit (loss)   0    
UNITED KINGDOM        
Disclosure of associates [line items]        
Revenue   € 809,000,000 € 771,000,000 € 708,000,000
UNITED KINGDOM | Toll roads division [Member] | Zero by pass holdings ltd [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   35.00%    
Investments in associates accounted for using equity method   € 0    
Assets   0    
Liabilities   0    
Revenue   0    
Profit (loss)   € 0    
UNITED KINGDOM | Toll roads division [Member] | Zero bypass Ltd [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   100.00%    
Investments in associates accounted for using equity method   € 13,000,000    
Assets   944,000,000    
Liabilities   908,000,000    
Revenue   36,000,000    
Profit (loss)   € 3,000,000    
UNITED KINGDOM | Toll roads division [Member] | River linx holdings ltd [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   22.50%    
Investments in associates accounted for using equity method   € 0    
Assets   0    
Liabilities   0    
Revenue   0    
Profit (loss)   € 0    
UNITED KINGDOM | Toll roads division [Member] | RiverLinx Ltd [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   100.00%    
Investments in associates accounted for using equity method   € 65,000,000    
Assets   1,820,000,000    
Liabilities   1,528,000,000    
Revenue   204,000,000    
Profit (loss)   € 7,000,000    
UNITED KINGDOM | Toll roads division [Member] | Sociedad Concesionaria Anillo Vial, S.A.        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   35.00%    
Investments in associates accounted for using equity method   € 14,000,000    
Assets   0    
Liabilities   0    
Revenue   0    
Profit (loss)   € 0    
QATAR | Airports division [Member] | FMM Company LLC [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate   49.00%    
Investments in associates accounted for using equity method   € 18,000,000    
Assets   78,000,000    
Liabilities   38,000,000    
Revenue   109,000,000    
Profit (loss)   € 14,000,000