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Federal Home Loan Bank Advances - Narrative (Details)
$ in Billions
Dec. 31, 2025
USD ($)
Federal Home Loan Bank, Advances [Line Items]  
Additional borrowings possible $ 6.1
Federal Home Loan Bank advances outstanding with varying put or call dates over the next 12 months $ 3.1
Weighted Average  
Federal Home Loan Bank, Advances [Line Items]  
Weighed average contractual interest rate (as a percent) 3.21%