v3.26.1
Statements of Capital (Unaudited) Parenthetical
3 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Capital Stock - Class B-1 - Membership/Excess        
Capital Unit [Line Items]        
Dividends stock annualized percentage 3.76% 4.09% 4.43% 4.78%
Capital Stock Class B-2 - Activity        
Capital Unit [Line Items]        
Dividends stock annualized percentage 4.76% 5.09% 5.43% 5.78%