v3.26.1
Statements of Capital (Unaudited) Parenthetical
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Capital Stock - Class B-1 - Membership/Excess    
Capital Unit [Line Items]    
Dividends stock annualized percentage 4.09% 4.78%
Capital Stock Class B-2 - Activity    
Capital Unit [Line Items]    
Dividends stock annualized percentage 5.09% 5.78%