v3.25.1
Derivatives and Hedging Activities Cumulative adjustments table (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Hedged Liability, Statement of Financial Position [Extensible Enumeration] Bonds (includes $380 and $436 at fair value under the fair value option, respectively) Bonds (includes $380 and $436 at fair value under the fair value option, respectively)
Advances    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Hedged Asset, Statement of Financial Position [Extensible Enumeration] Advances (includes $5,539 and $5,286 at fair value under the fair value option, respectively) Advances (includes $5,539 and $5,286 at fair value under the fair value option, respectively)
Available-for-sale Securities    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Hedged Asset, Statement of Financial Position [Extensible Enumeration] Available-for-sale (AFS) securities, net of allowance for credit losses of $30 and $30, respectively (amortized cost of $20,336 and $20,274, respectively) Available-for-sale (AFS) securities, net of allowance for credit losses of $30 and $30, respectively (amortized cost of $20,336 and $20,274, respectively)
Advances    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Amortized Cost of Hedged Asset, Fair Value Hedge $ 17,683 $ 24,880
Basis Adjustment for Active Fair Value Hedged Asset Cumulative Increase Decrease (117) (230)
Basis Adjustment for Hedged Asset, Discontinued Fair Value Hedge, Cumulative Increase (Decrease) 25 32
Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease) (92) (198)
Available-for-sale Securities    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Amortized Cost of Hedged Asset, Fair Value Hedge 19,364 19,296
Basis Adjustment for Active Fair Value Hedged Asset Cumulative Increase Decrease (879) (1,191)
Basis Adjustment for Hedged Asset, Discontinued Fair Value Hedge, Cumulative Increase (Decrease) 480 512
Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease) (399) (679)
Consolidated Obligations, Bonds    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Amortized Cost of Hedged Liability, Fair Value Hedge (24,379) (22,142)
Basis Adjustment for Active Fair Value Hedged Liability Cumulative Increase Decrease 265 364
Basis Adjustment for Hedged Liability, Discontinued Fair Value Hedge, Cumulative Increase (Decrease) 0 0
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease) 265 364
Discount notes    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Amortized Cost of Hedged Liability, Fair Value Hedge (10,158) (9,702)
Basis Adjustment for Active Fair Value Hedged Asset Cumulative Increase Decrease 0 (4)
Basis Adjustment for Hedged Asset, Discontinued Fair Value Hedge, Cumulative Increase (Decrease) 0 0
Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease) $ 0 $ (4)