v3.26.1
Capital (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Banking Regulation, Total Capital [Abstract]    
B1 Membership Stock Shares Issued and Outstanding 11,059,304 10,698,627
Subclass B2 advances activity-based Stock Shares Issued and Outstanding 48,134,091 45,041,666
Subclass B3 stand by letters of credit activity-based stock Issued and Outstanding 369,889 340,577
Common Stock, Shares, Issued 59,563,284 56,080,870
Subclass B1 membership stock value outstanding $ 1,106 $ 1,069
Subclass B2 advances activity-based stock value outstanding 4,813 4,504
Subclass B3 standby letters of credit activity based value outstanding 37 34
Total capital stock Class B putable $ 5,956 $ 5,607