Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
OPERATING ACTIVITIES
Net income	$ 881	$ 914	$ 962
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation and amortization/(accretion)	(499)	344	283
Net (gains) losses on trading securities	(97)	(18)	(93)
Net (gains) losses on financial instruments held at fair value	(12)	31	92
Net change in derivatives and hedging activities	(1,379)	684	(573)
Gain (Loss) on Extinguishment of Debt	0	0	(2)
Other adjustments, net	8	22	2
Net change in:
Accrued interest receivable	(352)	(101)	(401)
Other assets	(7)	5	(14)
Accrued interest payable	(128)	(307)	588
Other liabilities	29	41	106
Total adjustments	(2,437)	701	(12)
Net cash provided by (used in) operating activities	(1,556)	1,615	950
INVESTING ACTIVITIES
Net change in interest-bearing deposits	1,182	(165)	(1,976)
Net change in securities purchased under agreements to resell	(5,140)	(550)	1,190
Net change in federal funds sold	(755)	1,945	2,295
Trading securities
Proceeds from sales	347	596	389
Proceeds from maturities and paydowns	518	8	1,094
Purchases	(2,351)	(2,154)	(1,725)
Available-for-sale securities
Proceeds from maturities and paydowns	2,202	2,162	3,417
Purchases	(3,436)	(4,202)	(10,833)
Held-to-maturity securities
Proceeds from maturities and paydowns	308	85	106
Advances
Repaid	685,944	428,461	569,885
Originated	(695,392)	(405,970)	(580,732)
Mortgage loans held for portfolio
Principal collected	1,413	1,088	810
Purchased	(4,074)	(3,032)	(2,447)
Other investing activities, net	(3)	(7)	(12)
Net cash provided by (used in) investing activities	(19,237)	18,265	(18,539)
FINANCING ACTIVITIES
Net change in deposits	(189)	237	42
Net proceeds from issuance of consolidated obligations
Discount notes	1,476,108	1,688,542	1,653,546
Bonds	122,893	55,883	139,265
Payments for maturing and retiring consolidated obligations
Discount notes	(1,455,687)	(1,678,826)	(1,668,653)
Bonds	(122,297)	(84,256)	(106,847)
Proceeds from issuance of capital stock	11,139	8,516	11,087
Payments for repurchases/redemptions of capital stock	(10,476)	(9,399)	(10,460)
Payments for repurchases/redemptions of mandatorily redeemable capital stock	(122)	(4)	(7)
Cash dividends paid	(575)	(561)	(442)
Net cash provided by (used in) financing activities	20,796	(19,870)	17,531
Net increase (decrease) in cash and due from banks	3	10	(58)
Cash and due from banks at beginning of the period	41	31	89
Cash and due from banks at end of the period	44	41	31
SUPPLEMENTAL DISCLOSURES
Interest paid	8,006	8,278	7,512
Affordable Housing Program payments	74	51	49
Voluntary Grants and Donations	56	58	20
Capitalized interest on reverse mortgage investment securities	288	277	210
Capital stock reclassified to (from) mandatorily redeemable capital stock, net	143	1	4
Traded but not yet settled investment security purchases	0	162	691
Traded Not Settled Investment Payments or Calls	0	1	65
Payments for (Proceeds from) Hedge, Financing Activities	$ (2)	$ 2	$ 0