v3.26.1
Other financial assets - Securities per issuing entity (Details)
€ in Millions
 12 Months Ended
Dec. 31, 2025
EUR (€)
Amortized cost  
Other financial assets  
Amortized cost € 63
Nominal value 63
Fair value 62
Quoted bonds issued by sovereign states | Amortized cost  
Other financial assets  
Amortized cost 60
Nominal value 60
Fair value 59
Maximum value of sovereign states bonds included in other category € 10
Quoted bonds issued by sovereign states, Fixed rate bonds | Italy | Minimum  
Other financial assets  
Nominal rate of return (%) 0.00%
Quoted bonds issued by sovereign states, Fixed rate bonds | Italy | Maximum  
Other financial assets  
Nominal rate of return (%) 3.60%
Quoted bonds issued by sovereign states, Fixed rate bonds | Foreign (outside Italy) | Minimum  
Other financial assets  
Nominal rate of return (%) 0.00%
Quoted bonds issued by sovereign states, Fixed rate bonds | Foreign (outside Italy) | Maximum  
Other financial assets  
Nominal rate of return (%) 5.00%
Quoted bonds issued by sovereign states, Fixed rate bonds | Amortized cost | Italy  
Other financial assets  
Amortized cost € 18
Nominal value 18
Fair value € 17
Maturity date from 2026 to 2035
Rating - Moody's Baa2
Rating - S&P BBB+
Quoted bonds issued by sovereign states, Fixed rate bonds | Amortized cost | Foreign (outside Italy)  
Other financial assets  
Amortized cost € 31
Nominal value 31
Fair value € 31
Maturity date from 2026 to 2030
Rating - Moody's from Aa1 to Baa2
Rating - S&P from AA+ to BBB-
Quoted bonds issued by sovereign states, Floating rate bonds | Italy | Minimum  
Other financial assets  
Nominal rate of return (%) 2.60%
Quoted bonds issued by sovereign states, Floating rate bonds | Italy | Maximum  
Other financial assets  
Nominal rate of return (%) 2.90%
Quoted bonds issued by sovereign states, Floating rate bonds | Amortized cost | Italy  
Other financial assets  
Amortized cost € 11
Nominal value 11
Fair value € 11
Maturity date from 2026 to 2029
Rating - Moody's Baa2
Rating - S&P BBB+
European Bank of Investments [member]  
Other financial assets  
Amortized cost € 3
Nominal value 3
Fair value € 3
Nominal rate of return (%) 3.75%
Maturity date 2026
Rating - Moody's Aaa
Rating - S&P AAA