Transactions with Stockholders (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Other Transactions [Line Items]

Schedule of Transactions with Members and Former Members [Table Text Block]

Capital Stock, Advances, and MPP Principal Balances to Members and Former Members (dollars in millions)

	Regulatory Capital Stock				Advance		MPP Unpaid
March 31, 2013	Balance		% of Total		Principal		Principal Balance
JPMorgan Chase Bank, N.A.	$	1,333	29	%	$	37,700	$	—
U.S. Bank, N.A.	592		13		4,585		52
Fifth Third Bank	401		9		782		5
Total	$	2,326	51	%	$	43,067	$	57

	Regulatory Capital Stock				Advance		MPP Unpaid
December 31, 2012	Balance		% of Total		Principal		Principal Balance
JPMorgan Chase Bank, N.A.	$	865	20	%	$	26,000	$	—
U.S. Bank, N.A.	592		14		4,586		55
Fifth Third Bank	401		9		4,732		6
Total	$	1,858	43	%	$	35,318	$	61

Director [Member]

Schedule of Other Transactions [Line Items]

Schedule of Other Transactions by Balance Sheet Grouping [Table Text Block]

Transactions with Directors' Financial Institutions (dollars in millions)

	March 31, 2013				December 31, 2012
	Balance		% of Total(1)		Balance		% of Total (1)
Advances	$	869	1.5	%	$	948	1.8	%
MPP	35		0.5		41		0.6
Mortgage-backed securities	—		—		—		—
Regulatory capital stock	230		5.0		229		5.4
Derivatives	—		—		—		—

(1) Percentage of total principal (Advances), unpaid principal balance (MPP), principal balance (mortgage-backed securities), regulatory capital stock, and notional balances (derivatives).