v3.26.1
Accounting policies - Schedule of estimated effect of a 1% change in the euro against the corresponding currency (Details) - EUR (€)
€ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Sensitivity of consolidated profit and consolidated equity      
Appreciation variation (as a percent) 1.00%    
Depreciation variation (as a percent) 1.00%    
US dollar      
Sensitivity of consolidated profit and consolidated equity      
1 % appreciation of euro, effect on consolidated equity € (135.0) € (168.4) € (136.9)
1 % appreciation of euro, effect on consolidated profit (2.5) (3.9) (3.4)
1 % depreciation of euro, effect on consolidated equity 137.8 171.8 139.7
1 % depreciation of euro, effect on consolidated profit 2.5 4.0 3.4
Chilean peso      
Sensitivity of consolidated profit and consolidated equity      
1 % appreciation of euro, effect on consolidated equity (8.8) (15.3) (35.3)
1 % appreciation of euro, effect on consolidated profit (4.3) (2.1) (2.3)
1 % depreciation of euro, effect on consolidated equity 9.0 15.6 36.0
1 % depreciation of euro, effect on consolidated profit 4.4 2.2 2.3
Pound sterling      
Sensitivity of consolidated profit and consolidated equity      
1 % appreciation of euro, effect on consolidated equity (88.1) (96.5) (79.1)
1 % appreciation of euro, effect on consolidated profit (7.6) (4.4) (3.1)
1 % depreciation of euro, effect on consolidated equity 89.9 98.4 80.7
1 % depreciation of euro, effect on consolidated profit 7.7 4.5 3.1
Mexican peso      
Sensitivity of consolidated profit and consolidated equity      
1 % appreciation of euro, effect on consolidated equity (32.5) (33.9) (36.4)
1 % appreciation of euro, effect on consolidated profit (0.5) (0.5) (0.1)
1 % depreciation of euro, effect on consolidated equity 33.1 34.6 37.1
1 % depreciation of euro, effect on consolidated profit 0.5 0.5 0.1
Brazilian real      
Sensitivity of consolidated profit and consolidated equity      
1 % appreciation of euro, effect on consolidated equity (141.2) (144.1) (175.7)
1 % appreciation of euro, effect on consolidated profit (0.8) (4.3) (6.5)
1 % depreciation of euro, effect on consolidated equity 144.0 147.0 179.3
1 % depreciation of euro, effect on consolidated profit 0.9 4.3 6.6
Polish zloty      
Sensitivity of consolidated profit and consolidated equity      
1 % appreciation of euro, effect on consolidated equity (12.8) (25.1) (48.8)
1 % appreciation of euro, effect on consolidated profit 0.0 (0.4) 0.0
1 % depreciation of euro, effect on consolidated equity 13.0 25.6 49.8
1 % depreciation of euro, effect on consolidated profit 0.0 0.4 0.0
Argentine peso      
Sensitivity of consolidated profit and consolidated equity      
1 % appreciation of euro, effect on consolidated equity (21.3) (18.3) (7.5)
1 % appreciation of euro, effect on consolidated profit (3.7) (6.6) (4.2)
1 % depreciation of euro, effect on consolidated equity 21.7 18.7 7.7
1 % depreciation of euro, effect on consolidated profit € 3.8 € 6.7 € 4.2