XML 74 R64.htm IDEA: XBRL DOCUMENT v3.25.1
Medium- And Long-Term Debt (Narrative) (Details)
$ in Millions
Mar. 31, 2025
USD ($)
Debt Disclosure [Abstract]  
Total FHLB borrowings $ 3,400
Potential future borrowings 13,400
Unamortized debt issuance cost $ 10