v3.26.1
Consolidated Obligations (Bonds by Maturity or Call Date) (Details) - Consolidated Obligation Bonds [Member] - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Debt Instrument [Line Items]    
Bonds, Due in one year or less $ 96,727 $ 74,877
Bonds, Due after one year through two years 8,371 9,379
Bonds, Due after two years through three years 2,176 2,897
Bonds, Due after three years through four years 787 660
Bonds, Due after four years through five years 828 1,019
Bonds, Due after five years 461 635
Bonds par value 109,350 89,467
Earlier of Contractual Maturity or Next Call Date [Member]    
Debt Instrument [Line Items]    
Bonds, Due in one year or less 101,854 82,948
Bonds, Due after one year through two years 5,938 4,662
Bonds, Due after two years through three years 1,051 1,392
Bonds, Due after three years through four years 36 70
Bonds, Due after four years through five years 180 105
Bonds, Due after five years $ 291 $ 290