XML 361 R193.htm IDEA: XBRL DOCUMENT v3.25.0.1
Cash and cash equivalents and borrowings and other borrowings borrowings (Details) - EUR (€)
€ in Thousands
Dec. 31, 2030
Dec. 31, 2029
Dec. 31, 2028
Dec. 31, 2027
Dec. 31, 2026
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount             € 6,438,000 € 4,990
Not later than one year [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount           € 3,005,000    
Later than one year and not later than two years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount         € 43,000      
Later than two years and not later than three years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount       € 34,000        
Later than three years and not later than four years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount     € 42,000          
Exinfrastructure project [Member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Borrowings excluding infrastructure project companies             2,889,000 3,449,000
Notional amount             2,865,000 3,437,000
Exinfrastructure project [Member] | Not later than one year [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount           1,001,000 821,000  
Exinfrastructure project [Member] | Later than one year and not later than two years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount         789,000 755,000    
Exinfrastructure project [Member] | Later than two years and not later than three years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount       72,000 794,000      
Exinfrastructure project [Member] | Later than three years and not later than four years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount     502,000 66,000        
Exinfrastructure project [Member] | Later than four years and not later than five years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount   € 1,000 501,000          
Exinfrastructure project [Member] | Later than five years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount € 500,000 500,000            
Exinfrastructure project [Member] | At fair value [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Borrowings excluding infrastructure project companies             2,866,000 3,394,000
Exinfrastructure project [Member] | Carrying amount [Domain]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Borrowings excluding infrastructure project companies             2,889,000 3,449,000
Exinfrastructure project [Member] | Corporate debt [Member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount             2,839,000 3,391,000
Credit limit             3,377,000 4,041,000
Credit utilized             2,839,000 3,391,000
Credit drawable             538,000 650,000
Consolidated debt             2,852,000 3,386,000
Exinfrastructure project [Member] | Corporate debt [Member] | Construction division [Member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Credit limit             131,000 163,000
Credit utilized             17,000 26,000
Credit drawable             114,000 137,000
Consolidated debt             14,000 13,000
Exinfrastructure project [Member] | Corporate debt [Member] | Airports division [Member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Credit limit             0 0
Credit utilized             0 0
Credit drawable             0 0
Consolidated debt             14,000 31,000
Exinfrastructure project [Member] | Corporate debt [Member] | Other division [Member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Credit limit             8,000 22,000
Credit utilized             8,000 20,000
Credit drawable             0 2,000
Consolidated debt             8,000 19,000
Exinfrastructure project [Member] | Corporate debt [Member] | Not later than one year [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount           999,000 800,000  
Exinfrastructure project [Member] | Corporate debt [Member] | Later than one year and not later than two years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount         780,000 750,000    
Exinfrastructure project [Member] | Corporate debt [Member] | Later than two years and not later than three years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount       60,000 781,000      
Exinfrastructure project [Member] | Corporate debt [Member] | Later than three years and not later than four years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount     500,000 60,000        
Exinfrastructure project [Member] | Corporate debt [Member] | Later than four years and not later than five years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount   0 500,000          
Exinfrastructure project [Member] | Corporate debt [Member] | Later than five years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount 500,000 500,000            
Exinfrastructure project [Member] | Corporate debt [Member] | At fair value [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Borrowings excluding infrastructure project companies             2,830,000 3,331,000
Exinfrastructure project [Member] | Corporate debt [Member] | Carrying amount [Domain]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Borrowings excluding infrastructure project companies             2,852,000 3,386,000
Exinfrastructure project [Member] | Corporate debt [Member] | EUR [Member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount             2,839,000 3,391,000
Exinfrastructure project [Member] | Corporate debt [Member] | EUR [Member] | Not later than one year [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount           999,000 800,000  
Exinfrastructure project [Member] | Corporate debt [Member] | EUR [Member] | Later than one year and not later than two years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount         780,000 750,000    
Exinfrastructure project [Member] | Corporate debt [Member] | EUR [Member] | Later than two years and not later than three years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount       60,000 781,000      
Exinfrastructure project [Member] | Corporate debt [Member] | EUR [Member] | Later than three years and not later than four years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount     500,000 60,000        
Exinfrastructure project [Member] | Corporate debt [Member] | EUR [Member] | Later than four years and not later than five years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount   0 500,000          
Exinfrastructure project [Member] | Corporate debt [Member] | EUR [Member] | Later than five years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount 500,000 500,000            
Exinfrastructure project [Member] | Corporate debt [Member] | EUR [Member] | At fair value [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Borrowings excluding infrastructure project companies             2,830,000 3,331,000
Exinfrastructure project [Member] | Corporate debt [Member] | EUR [Member] | Carrying amount [Domain]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Borrowings excluding infrastructure project companies             2,852,000 3,386,000
Exinfrastructure project [Member] | Other borrowings [Member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount             26,000 46,000
Credit limit             140,000 185,000
Credit utilized             26,000 46,000
Credit drawable             114,000 139,000
Consolidated debt             36,000 63,000
Exinfrastructure project [Member] | Other borrowings [Member] | Not later than one year [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount           2,000 21,000  
Exinfrastructure project [Member] | Other borrowings [Member] | Later than one year and not later than two years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount         9,000 5,000    
Exinfrastructure project [Member] | Other borrowings [Member] | Later than two years and not later than three years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount       12,000 13,000      
Exinfrastructure project [Member] | Other borrowings [Member] | Later than three years and not later than four years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount     2,000 6,000        
Exinfrastructure project [Member] | Other borrowings [Member] | Later than four years and not later than five years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount   1,000 1,000          
Exinfrastructure project [Member] | Other borrowings [Member] | Later than five years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount 0 0            
Exinfrastructure project [Member] | Other borrowings [Member] | At fair value [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Borrowings excluding infrastructure project companies             36,000 63,000
Exinfrastructure project [Member] | Other borrowings [Member] | Carrying amount [Domain]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Borrowings excluding infrastructure project companies             36,000 63,000
Exinfrastructure project [Member] | Other borrowings [Member] | EUR [Member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount             1,000 1,000
Exinfrastructure project [Member] | Other borrowings [Member] | EUR [Member] | Not later than one year [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount           0 0  
Exinfrastructure project [Member] | Other borrowings [Member] | EUR [Member] | Later than one year and not later than two years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount         0 0    
Exinfrastructure project [Member] | Other borrowings [Member] | EUR [Member] | Later than two years and not later than three years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount       0 0      
Exinfrastructure project [Member] | Other borrowings [Member] | EUR [Member] | Later than three years and not later than four years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount     1,000 0        
Exinfrastructure project [Member] | Other borrowings [Member] | EUR [Member] | Later than four years and not later than five years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount   0 1,000          
Exinfrastructure project [Member] | Other borrowings [Member] | EUR [Member] | Later than five years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount 0 0            
Exinfrastructure project [Member] | Other borrowings [Member] | EUR [Member] | At fair value [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Borrowings excluding infrastructure project companies             7,000 3,000
Exinfrastructure project [Member] | Other borrowings [Member] | EUR [Member] | Carrying amount [Domain]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Borrowings excluding infrastructure project companies             7,000 3,000
Exinfrastructure project [Member] | Other borrowings [Member] | PLN [Member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount             5,000 9,000
Exinfrastructure project [Member] | Other borrowings [Member] | PLN [Member] | Not later than one year [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount           2,000 1,000  
Exinfrastructure project [Member] | Other borrowings [Member] | PLN [Member] | Later than one year and not later than two years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount         1,000 5,000    
Exinfrastructure project [Member] | Other borrowings [Member] | PLN [Member] | Later than two years and not later than three years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount       1,000 2,000      
Exinfrastructure project [Member] | Other borrowings [Member] | PLN [Member] | Later than three years and not later than four years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount     0 1,000        
Exinfrastructure project [Member] | Other borrowings [Member] | PLN [Member] | Later than four years and not later than five years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount   1,000 0          
Exinfrastructure project [Member] | Other borrowings [Member] | PLN [Member] | Later than five years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount 0 0            
Exinfrastructure project [Member] | Other borrowings [Member] | PLN [Member] | At fair value [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Borrowings excluding infrastructure project companies             5,000 9,000
Exinfrastructure project [Member] | Other borrowings [Member] | PLN [Member] | Carrying amount [Domain]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Borrowings excluding infrastructure project companies             5,000 9,000
Exinfrastructure project [Member] | Other borrowings [Member] | CLP [Member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount             8,000 20,000
Exinfrastructure project [Member] | Other borrowings [Member] | CLP [Member] | Not later than one year [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount           0 20,000  
Exinfrastructure project [Member] | Other borrowings [Member] | CLP [Member] | Later than one year and not later than two years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount         0 0    
Exinfrastructure project [Member] | Other borrowings [Member] | CLP [Member] | Later than two years and not later than three years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount       7,000 0      
Exinfrastructure project [Member] | Other borrowings [Member] | CLP [Member] | Later than three years and not later than four years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount     1,000 0        
Exinfrastructure project [Member] | Other borrowings [Member] | CLP [Member] | Later than four years and not later than five years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount   0 0          
Exinfrastructure project [Member] | Other borrowings [Member] | CLP [Member] | Later than five years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount 0 0            
Exinfrastructure project [Member] | Other borrowings [Member] | CLP [Member] | At fair value [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Borrowings excluding infrastructure project companies             7,000 19,000
Exinfrastructure project [Member] | Other borrowings [Member] | CLP [Member] | Carrying amount [Domain]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Borrowings excluding infrastructure project companies             7,000 19,000
Exinfrastructure project [Member] | Other borrowings [Member] | Other currencies [Member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount             12,000 16,000
Exinfrastructure project [Member] | Other borrowings [Member] | Other currencies [Member] | Not later than one year [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount           0 0  
Exinfrastructure project [Member] | Other borrowings [Member] | Other currencies [Member] | Later than one year and not later than two years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount         8,000 0    
Exinfrastructure project [Member] | Other borrowings [Member] | Other currencies [Member] | Later than two years and not later than three years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount       4,000 11,000      
Exinfrastructure project [Member] | Other borrowings [Member] | Other currencies [Member] | Later than three years and not later than four years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount     0 5,000        
Exinfrastructure project [Member] | Other borrowings [Member] | Other currencies [Member] | Later than four years and not later than five years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount   0 0          
Exinfrastructure project [Member] | Other borrowings [Member] | Other currencies [Member] | Later than five years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount 0 0            
Exinfrastructure project [Member] | Other borrowings [Member] | Other currencies [Member] | At fair value [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Borrowings excluding infrastructure project companies             17,000 32,000
Exinfrastructure project [Member] | Other borrowings [Member] | Other currencies [Member] | Carrying amount [Domain]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Borrowings excluding infrastructure project companies             17,000 32,000
Infrastructure project [Member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount             8,554,000 8,070,000
Credit limit             8,567,000 8,070,000
Credit utilized             8,554,000 8,070,000
Credit drawable             13,000 1,000
Infrastructure project [Member] | Construction division [Member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Credit limit             103,000 106,000
Credit utilized             102,000 106,000
Credit drawable             0 1,000
Infrastructure project [Member] | Energy and mobility infrastructures division [Member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Credit limit             220,000 255,000
Credit utilized             216,000 255,000
Credit drawable             4,000 0
Infrastructure project [Member] | Airports division [Member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Credit limit             105,000 115,000
Credit utilized             105,000 115,000
Credit drawable             0 0
Infrastructure project [Member] | Other division [Member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Credit limit             49,000 49,000
Credit utilized             49,000 49,000
Credit drawable             0 € 0
Infrastructure project [Member] | Not later than one year [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount           121,000 € 76,000  
Infrastructure project [Member] | Later than one year and not later than two years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount         241,000 € 61,000    
Infrastructure project [Member] | Later than two years and not later than three years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount       156,000 € 292,000      
Infrastructure project [Member] | Later than three years and not later than four years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount     366,000 € 62,000        
Infrastructure project [Member] | Later than four years and not later than five years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount   275,000 € 171,000          
Infrastructure project [Member] | Later than five years [member]                
Maturities by currency and fair value of borrowings excluding infrastructure project companies [Line Items]                
Notional amount € 7,394,000 € 7,407,000