v3.26.1
Commitments and Contingencies (Details)
$ in Millions
Jun. 30, 2026
USD ($)
letter_of_credit
Dec. 31, 2025
USD ($)
letter_of_credit
Standby Letters of Credit [Member]    
Loss Contingencies [Line Items]    
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Expiring Within One Year [1] $ 12,544 $ 6,893
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Expiring After One Year 23,574 26,225
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Liability $ 36,118 $ 33,118
Number Of Outstanding Standby Letters Of Credit Renewable Annually | letter_of_credit 32 30
Standby Letters Of Credit Issued Renewable Annually $ 99 $ 93
Unsettled Consolidated Obligation Bonds [Member]    
Loss Contingencies [Line Items]    
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Expiring Within One Year [2] 630 6,200
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Expiring After One Year [2] 0 0
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Liability 630 6,200
Unsettled Discount Notes [Member]    
Loss Contingencies [Line Items]    
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Expiring Within One Year [2] 0 1,900
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Expiring After One Year [2] 0 0
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Liability $ 0 $ 1,900
[1] “Expire Within One Year” includes 32 standby letters of credit for a total of $99 and 30 standby letters of credit for a total of $93 as of June 30, 2026 and December 31, 2025, respectively, which have no stated maturity date and are subject to renewal on an annual basis.
[2] Expiration is based on settlement period rather than underlying contractual maturity of consolidated obligations.