Statements of Condition (Unaudited) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Assets
Cash and due from banks (Note 3)	$ 5,545,092	$ 660,873
Federal funds sold	4,475,000	4,988,000
Available-for-sale securities, net of unrealized gains (losses) of $18,613 at June 30, 2011 and $22,965 at December 31, 2010 (Note 5)	3,537,983	3,990,082
Held-to-maturity securities (Note 4)
Long-term securities	8,399,659	7,761,192
Advances (Note 6)	74,791,153	81,200,336
Mortgage loans held-for-portfolio, net of allowance for credit losses of $6,349 at June 30, 2011 and $5,760 at December 31, 2010 (Note 7)	1,296,251	1,265,804
Accrued interest receivable	236,005	287,335
Premises, software, and equipment	14,279	14,932
Derivative assets (Note 15)	33,006	22,010
Other assets	13,829	21,506
Total assets	98,342,257	100,212,070
Deposits (Note 8)
Interest-bearing demand	1,860,533	2,401,882
Non-interest bearing demand	2,618	9,898
Term	39,000	42,700
Total deposits	1,902,151	2,454,480
Consolidated obligations, net (Note 10)
Bonds (Includes $9,452,247 at June 30, 2011 and $14,281,463 at December 31, 2010 at fair value under the fair value option)	62,815,651	71,742,627
Discount notes (Includes $736,746 at June 30, 2011 and $956,338 December 31, 2010 at fair value under the fair value option)	27,013,011	19,391,452
Total consolidated obligations	89,828,662	91,134,079
Mandatorily redeemable capital stock (Note 11)	58,221	63,219
Accrued interest payable	181,241	197,266
Affordable Housing Program	133,831	138,365
Payable to REFCORP	14,732	21,617
Derivative liabilities (Note 15)	694,369	954,898
Other liabilities	250,161	103,777
Total liabilities	93,063,368	95,067,701
Commitments and Contingencies (Notes 11, 15 and 17)
Capital (Note 11)
Capital stock ($100 par value), putable, issued and outstanding shares: 46,578 at June 30, 2011 and 45,290 at December 31, 2010	4,657,844	4,528,962
Retained earnings	720,982	712,091
Accumulated other comprehensive income (loss) (Note 12)
Net unrealized gain on available-for-sale securities	18,613	22,965
Non-credit portion of OTTI on held-to-maturity securities, net of accretion	(86,200)	(92,926)
Net unrealized losses on hedging activities	(20,823)	(15,196)
Employee supplemental retirement plans (Note 14)	(11,527)	(11,527)
Total capital	5,278,889	5,144,369
Total liabilities and capital	$ 98,342,257	$ 100,212,070