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Commitments, Guarantees and Contingent Liabilities (Tables)
12 Months Ended
Dec. 31, 2025
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Other Information Related to Operating Leases
Other information related to operating leases
December 31,
20252024
Weighted average remaining lease term (years)44
Weighted average discount rate4.41 %4.17 %
Schedule of Maturity of Lease Liabilities
Maturity of lease liabilities
($ in millions)Operating leases
2026$67 
202754 
202832 
202922 
203014 
Thereafter11 
Total lease payments $200 
Less: interest(16)
Present value of lease liabilities$184