v3.26.1
Fair Value (Fair Value Measured on Recurring and Nonrecurring Basis) (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Advances, fair value under the fair value option $ 5,151 $ 5,441
Derivative Asset, Netting adjustments [1] 434 470
Derivative assets, net 28 42
Derivative Liability, Netting adjustments [1] (139) (179)
Derivative liabilities, net 21 3
Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Other assets [2] 19 20
Mortgage loans held for portfolio 0 0
Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset, Netting adjustments [3] (434) (470)
Other assets [2] 0 0
Derivative Liability, Netting adjustments [3] (139) (179)
Mortgage loans held for portfolio 537 552
Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Other assets [2] 0 0
Mortgage loans held for portfolio 0 0
Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Advances, fair value under the fair value option [4] 5,151 5,441
Derivative Asset, Netting adjustments [5] (434) (470)
Derivative Liability, Netting adjustments [5] (139) (179)
Fair Value, Measurements, Recurring | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities 0 0
Advances, fair value under the fair value option [4] 0 0
Other assets 19 20
Total fair value measurements – Assets 19 20
Total recurring fair value measurements – Liabilities 0 0
Fair Value, Measurements, Recurring | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities 19,316 19,372
Advances, fair value under the fair value option [4] 5,151 5,441
Other assets 0 0
Total fair value measurements – Assets 24,929 25,325
Total recurring fair value measurements – Liabilities 528 539
Fair Value, Measurements, Recurring | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities 850 881
Advances, fair value under the fair value option [4] 0 0
Other assets 0 0
Total fair value measurements – Assets 850 881
Total recurring fair value measurements – Liabilities 0 0
Fair Value, Measurements, Nonrecurring | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total fair value measurements – Assets [6]   0
Mortgage loans held for portfolio [6]   0
Fair Value, Measurements, Nonrecurring | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total fair value measurements – Assets [6]   0
Mortgage loans held for portfolio [6]   0
Fair Value, Measurements, Nonrecurring | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total fair value measurements – Assets [6]   2
Mortgage loans held for portfolio [6]   2
State housing agency obligations: | Fair Value, Measurements, Recurring | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities 0 0
State housing agency obligations: | Fair Value, Measurements, Recurring | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities 53 42
State housing agency obligations: | Fair Value, Measurements, Recurring | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities 0 0
US Treasury Securities | Fair Value, Measurements, Recurring | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities 0 0
US Treasury Securities | Fair Value, Measurements, Recurring | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities 6,508 6,393
US Treasury Securities | Fair Value, Measurements, Recurring | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities 0 0
Residential Mortgage Backed Securities | Fair Value, Measurements, Recurring | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities 0 0
Residential Mortgage Backed Securities | Fair Value, Measurements, Recurring | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities 12,755 12,937
Residential Mortgage Backed Securities | Fair Value, Measurements, Recurring | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities 850 881
Subtotal PLRMBS | Fair Value, Measurements, Recurring | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities 0 0
Subtotal PLRMBS | Fair Value, Measurements, Recurring | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities 0 0
Subtotal PLRMBS | Fair Value, Measurements, Recurring | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities 850 881
Consolidated obligation bonds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Bonds 368 357
Consolidated obligation bonds | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Bonds 0 0
Consolidated obligation bonds | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Bonds 39,441 47,162
Consolidated obligation bonds | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Bonds 0 0
Consolidated obligation bonds | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Bonds [7] 368 357
Consolidated obligation bonds | Fair Value, Measurements, Recurring | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Bonds [7] 0 0
Consolidated obligation bonds | Fair Value, Measurements, Recurring | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Bonds [7] 368 357
Consolidated obligation bonds | Fair Value, Measurements, Recurring | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Bonds [7] 0 0
Estimate of Fair Value Measurement    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative assets, net [3] 28 42
Other assets [2] 19 20
Derivative liabilities, net [3] 21 3
Mortgage loans held for portfolio 537 552
Estimate of Fair Value Measurement | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities 20,166 20,253
Other assets 19 20
Total fair value measurements – Assets 25,364 25,756
Total recurring fair value measurements – Liabilities 389 360
Estimate of Fair Value Measurement | Fair Value, Measurements, Nonrecurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total fair value measurements – Assets [6]   2
Mortgage loans held for portfolio [6]   2
Estimate of Fair Value Measurement | State housing agency obligations: | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities 53 42
Estimate of Fair Value Measurement | US Treasury Securities | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities 6,508 6,393
Estimate of Fair Value Measurement | Residential Mortgage Backed Securities | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities 13,605 13,818
Estimate of Fair Value Measurement | Subtotal PLRMBS | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities 850 881
Estimate of Fair Value Measurement | Consolidated obligation bonds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Bonds 39,441 47,162
Interest rate swaps | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset, Netting adjustments [5] (434) (470)
Derivative Liability, Netting adjustments [5] (139) (179)
Interest rate swaps | Fair Value, Measurements, Recurring | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative assets, net 0 0
Derivative liabilities, net 0 0
Interest rate swaps | Fair Value, Measurements, Recurring | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative assets, net 462 512
Derivative liabilities, net 160 182
Interest rate swaps | Fair Value, Measurements, Recurring | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative assets, net 0 0
Derivative liabilities, net 0 0
Interest rate swaps | Estimate of Fair Value Measurement | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative assets, net 28 42
Derivative liabilities, net 21 3
Multifamily | MBS - GSEs | Fair Value, Measurements, Recurring | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities 0 0
Multifamily | MBS - GSEs | Fair Value, Measurements, Recurring | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities 12,755 12,937
Multifamily | MBS - GSEs | Fair Value, Measurements, Recurring | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities 0 0
Multifamily | Estimate of Fair Value Measurement | MBS - GSEs | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of AFS Securities $ 12,755 $ 12,937
[1] Amounts represent the application of the netting requirements that allow the Bank to settle positive and negative positions, and also cash collateral, including accrued interest, held or placed with the same clearing agents or counterparty. Cash collateral posted, including accrued interest, was $43 million and $53 million at March 31, 2026, and December 31, 2025, respectively. Cash collateral received, including accrued interest, was $338 million and $345 million at March 31, 2026, and December 31, 2025, respectively.
[2] publicly traded mutual funds held in a grantor trust.
[3] Amounts represent the application of the netting requirements that allow the Bank to settle positive and negative positions, and also cash collateral and related accrued interest held or placed with the same clearing agents or counterparty.
[4] Represents advances recorded under the fair value option at March 31, 2026, and December 31, 2025.
[5] Amounts represent the application of the netting requirements that allow the Bank to settle positive and negative positions, and also cash collateral and related accrued interest held or placed by the Bank, with the same clearing agents or counterparty
[6] The fair value information presented is as of the date the fair value adjustment was recorded during
[7] Represents consolidated obligation bonds recorded under the fair value option at March 31, 2026, and December 31, 2025