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Investments in infrastructure projects (Tables)

12 Months Ended

Dec. 31, 2024

Investment in infrastructure projects [Abstract]

Disclosure of intangible asset model [Table Text Block]


(Million euro)			BALANCE AT 01/01/2024			TOTAL ADDITIONS						FOREIGN EXCHANGE EFFECT						BALANCE AT 12/31/2024
Spanish toll roads			721			3						—						724
US toll roads			12,823			76						858						13,757
Other toll roads			4			—						—						4
Toll road investment			13,549			79						858						14,485
Accumulated depreciation			(834)			(209)						(46)						(1,089)
Net investment in toll roads			12,715			(130)						812						13,396
Investment in other infrastructure projects			650			—						—						650
Depreciation of other infrastructure projects			(34)			(24)						—						(58)
Total net investment in other infrastructure projects			616			(24)						—						592
TOTAL INVESTMENT			14,199			79						858						15,135
TOTAL DEPRECIATION AND PROVISION			(867)			(233)						(46)						(1,146)
TOTAL NET INVESTMENT			13,333			(154)						812						13,989


(Million euro)			BALANCE AT 01/01/2023			TOTAL ADDITIONS			TOTAL DISPOSALS			FOREIGN EXCHANGE EFFECT			CONSOLIDATION SCOPE CHANGES AND TRANSFERS			BALANCE AT 12/31/2023
Spanish toll roads			714			7			—			—			—			721
US toll roads			12,547			670			(1)			(393)			—			12,823
Other toll roads			391			—			—			—			(387)			4
Toll road investment			13,653			677			(1)			(393)			(387)			13,549
Accumulated depreciation/amortization			(781)			(201)			—			16			132			(834)
Net investment in toll roads			12,872			476			(1)			(377)			(255)			12,715
Investment in other infrastructure projects			632			18			—			—			—			650
Depreciation/amortization of other infrastructure projects			—			(34)			—			—			—			(34)
Total net investment in other infrastructure projects			632			(16)			—			—			—			616
TOTAL INVESTMENT			14,285			695			(1)			(393)			(387)			14,199
TOTAL DEPRECIATION/AMORTIZATION AND PROVISION			(781)			(235)			—			17			132			(867)
TOTAL NET INVESTMENT			13,504			460			(1)			(376)			(255)			13,333

Disclosure of financial assets from financial asset model concessions [Table Text Block]


(Million euro)			INFRASTRUCTURE PROJECT RECEIVABLES 2024			INFRASTRUCTURE PROJECT RECEIVABLES 2023
OPENING BALANCE			162			163
Additions			6			9
Disposals			(14)			(12)

Foreign exchange effect			3			2


YEAR-END BALANCE			158			162

Note: Balances net of provisions

Disclosure of financial assets from financial asset by concession operator [Table Text Block]


			BALANCES AT 12/31/2024
CONCESSION OPERATOR (Million euro)			LONG-TERM RECEIVABLES			SHORT-TERM RECEIVABLES			TOTAL
Concesionaria de Prisiones Lledoners			49			3			52
Depusa Aragón			21			1			22
Budimex Parking Wrocław			11			—			11
CONSTRUCTION			81			4			85
UK Waste Treatment (Thalia)			77			—			77
UK WASTE TREATMENT			77			—			77
GROUP TOTAL			158			4			162


			BALANCES AT 12/31/2023
CONCESSION OPERATOR (Million euro)			LONG-TERM RECEIVABLES			SHORT-TERM RECEIVABLES			TOTAL
Concesionaria de Prisiones Lledoners			52			3			55
Depusa Aragón			22			1			23
Budimex Parking Wrocław			11			—			11
CONSTRUCTION			85			4			89
UK Waste Treatment (Thalia)			77			—			77
UK WASTE TREATMENT			77			—			77
GROUP TOTAL			162			4			166