Statements of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010
Operating Activities
Net Income	$ 124,291		$ 110,305
Depreciation and amortization:
Net premiums and discounts on consolidated obligations, investments, mortgage loans and other adjustments	(40,152)		(30,921)
Concessions on consolidated obligations	4,091		6,480
Premises, software, and equipment	2,770		2,756
Provision for credit losses on mortgage loans	2,202		906
Net realized (gains) from redemption of held-to-maturity securities	(17)
Net realized (gains) from sale of available-for-sale securities			(708)
Credit impairment losses on held-to-maturity securities	510		4,670
Change in net fair value adjustments on derivatives and hedging activities	215,310		297,536
Change in fair value adjustments on financial instruments held at fair value	5,401		12,667
Losses from extinguishment of debt	55,175
Net change in:
Accrued interest receivable	51,330		29,718
Derivative assets due to accrued interest	17,816		35,478
Derivative liabilities due to accrued interest	(48,331)		(20,827)
Other assets	4,639		2,411
Affordable Housing Program liability	(4,534)		(415)
Accrued interest payable	(20,194)		(38,438)
REFCORP liability	(6,885)		(10,146)
Other liabilities	(776)		5,277
Total adjustments	238,355		296,444
Net cash provided by operating activities	362,646		406,749
Net change in:
Interest-bearing deposits	299,039		(829,488)
Federal funds sold	513,000		325,000
Deposits with other FHLBanks	(73)		48
Premises, software, and equipment	(2,117)		(2,076)
Long-term securities
Purchased	(1,750,755)		(174,048)
Repayments	1,251,342		1,769,425
In-substance maturities	3,935
Available-for-sale securities:
Purchased			(1,295,992)
Repayments	449,303		630,879
Proceeds from sales	315		33,216
Advances:
Principal collected	151,988,108		116,284,319
Made	(146,159,994)		(106,107,058)
Mortgage loans held-for-portfolio:
Principal collected	124,549		92,530
Purchased and originated	(157,884)		(58,967)
Proceeds from sales of REO	701
Loans to other FHLBanks
Loans made	(100,000)		(27,000)
Principal collected	100,000		27,000
Net cash provided by investing activities	6,559,469		10,667,788
Net change in:
Deposits and other borrowings	(659,364)	[1]	1,950,280	[1]
Consolidated obligation bonds:
Proceeds from issuance	25,838,123		31,884,893
Payments for maturing and early retirement	(34,682,767)		(39,936,236)
Net payments on bonds transferred to other FHLBanks	(167,381)
Consolidated obligation discount notes:
Proceeds from issuance	92,300,064		62,940,272
Payments for maturing	(84,675,055)		(66,281,418)
Capital stock:
Proceeds from issuance	1,332,486		859,266
Payments for redemption / repurchase	(1,200,255)		(1,208,434)
Redemption of Mandatorily redeemable capital stock	(8,347)		(86,991)
Cash dividends paid	(115,400)	[2]	(122,651)	[2]
Net cash used by financing activities	(2,037,896)		(10,001,019)
Net increase in cash and due from banks	4,884,219		1,073,518
Cash and due from banks at beginning of the period	660,873		2,189,252
Cash and due from banks at end of the period	5,545,092		3,262,770
Supplemental disclosures:
Interest paid	308,457		381,060
Affordable Housing Program payments	18,479	[3]	12,912	[3]
REFCORP payments	37,958		37,722
Transfers of mortgage loans to real estate owned	328		761
Portion of non-credit OTTI (gains) losses on held-to-maturity securities	$ (344)		$ (595)

[1] Cash flows from derivatives containing financing elements were considered as a financing activity and were included in borrowing activity. Cash outflows were $202,181 and $223,708 for the six months ended 2011 and 2010.

[2] Does not include payments to holders of mandatorily redeemable capital stock.

[3] AHP payments = (beginning accrual - ending accrual) + AHP assessment for the period; payments represent funds released to the Affordable Housing Program.