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Leases (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Lessee, Lease, Description [Line Items]    
Leases, Renewal Term 5 years  
Maximum [Member]    
Lessee, Lease, Description [Line Items]    
Operating lease, remaining lease term years 9 years  
Operating lease expense $ 1 $ 1
Minimum [Member]    
Lessee, Lease, Description [Line Items]    
Operating lease, remaining lease term years 1 year