v3.26.1
Borrowings - Additional Information (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Jun. 30, 2025
Debt Instrument [Line Items]    
Federal Home Loan Bank, advances, general debt obligations, amount of available, unused funds $ 2,350  
Investment in Federal Home Loan Bank Stock    
Debt Instrument [Line Items]    
Federal Home Loan Bank, advances, general debt obligations, disclosures, collateral pledged $ 2,850 $ 3,240