Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
OPERATING ACTIVITIES:
Net income	$ 146,478	$ 127,412
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization/(accretion)	(102,516)	168,067
Net change in derivative and hedging activities	382,746	(289,560)
Net change in fair value adjustments on trading securities	13,794	(25,360)
Net realized (gains) losses from sales of available-for-sale securities	(1,136)	0
Net change in fair value adjustments on financial instruments held under fair value option	8,599	34,812
Other adjustments, net	260	245
Net change in:
Accrued interest receivable	(875)	(169,783)
Other assets	3,098	3,461
Accrued interest payable	62,633	67,999
Other liabilities	22,765	2,297
Total adjustments	389,368	(207,822)
Net cash provided by (used in) operating activities	535,846	(80,410)
Net change in:
Interest-bearing deposits	223,910	(104,448)
Securities purchased under agreements to resell	3,480,080	(8,745,910)
Federal funds sold	519,000	(3,261,000)
Trading securities:
Proceeds from maturities and paydowns	250,015	19
Purchases	(999,170)	0
Available-for-sale securities:
Proceeds from maturities and paydowns	21,329	0
Proceeds from sales	966,289	0
Purchases	(132,842)	(197,872)
Held-to-maturity securities:
Proceeds from maturities and paydowns	556,488	305,898
Purchases	(216,961)	(336,657)
Advances, net	335,881	(40,449,531)
Mortgage loans held for portfolio:
Principal collected	134,270	134,797
Purchases	(200,875)	(42,284)
Loans to other FHLBanks, net	0	(750,000)
Premises, software, and equipment, net	(2,330)	(1,177)
Net cash provided by (used in) investing activities	4,935,084	(53,448,165)
FINANCING ACTIVITIES:
Net change in deposits and pass-through reserves	11,507	228,297
Net proceeds from issuance of Consolidated Obligations:
Discount Notes	19,185,422	108,499,748
Bonds	31,614,919	53,303,735
Bonds transferred from other FHLBanks	0	249,999
Payments for maturing and retiring Consolidated Obligations:
Discount Notes	(24,528,835)	(79,687,171)
Bonds	(31,477,000)	(29,003,945)
Proceeds from issuance of capital stock	333,136	3,108,662
Payments for repurchase of capital stock	(500,041)	(1,653,297)
Payments for repurchase/redemption of mandatorily redeemable capital stock	(268)	(1,405)
Cash dividends paid	(111,004)	(74,038)
Net cash provided by (used in) financing activities	(5,472,164)	54,970,585
Net increase (decrease) in cash and due from banks	(1,234)	1,442,010
Cash and due from banks at beginning of the period	20,824	19,604
Cash and due from banks at end of the period	19,590	1,461,614
Supplemental Disclosures:
Interest paid	1,548,543	982,784
Affordable Housing Program payments, net	$ 1,845	$ 4,234