v3.26.1
Leases - Schedule Of Maturity Analysis Of Finance Lease Payments Receivable (Detail) - EUR (€)
€ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of maturity analysis of finance lease payments receivable [line items]      
Undiscounted finance lease payments to be received € 21 € 5 € 0
Unguaranteed residual value 2   0
Unearned finance income (4) 0 0
Present value of lease payments receivable 19 5 0
Impairment loss allowance 0 0 0
Net investment in finance leases 19 5 0
Recoverable after 12 months 16 4 0
Recoverable within 12 months 3 1 0
Year 1 [member]      
Disclosure of maturity analysis of finance lease payments receivable [line items]      
Undiscounted finance lease payments to be received 4 1 0
Year 2 [member]      
Disclosure of maturity analysis of finance lease payments receivable [line items]      
Undiscounted finance lease payments to be received 4 1 0
Year 3 [member]      
Disclosure of maturity analysis of finance lease payments receivable [line items]      
Undiscounted finance lease payments to be received 4 1 0
Year 4 [member]      
Disclosure of maturity analysis of finance lease payments receivable [line items]      
Undiscounted finance lease payments to be received 4 1 0
Year 5 [member]      
Disclosure of maturity analysis of finance lease payments receivable [line items]      
Undiscounted finance lease payments to be received 2 1 0
Onwards [member]      
Disclosure of maturity analysis of finance lease payments receivable [line items]      
Undiscounted finance lease payments to be received € 3 € 0 € 0