Statements of Income - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Interest Income:
Advances		$ 1,677	$ 1,563	$ 875
Interest-bearing deposits		51	35	8
Securities purchased under agreements to resell		174	106	9
Federal funds sold		114	160	115
Trading securities		15	16	17
AFS securities		394	247	239
HTM securities		270	335	285
Mortgage loans held for portfolio		87	98	52
Total Interest Income		2,782	2,560	1,600
Interest Expense:
Bonds		1,631	1,393	713
Discount notes		599	537	285
Deposits		7	5	3
Mandatorily redeemable capital stock	[1]	14	24	32
Total Interest Expense		2,251	1,959	1,033
Net Interest Income		531	601	567
Provision for/(reversal of) credit losses on mortgage loans		0	0	0
Net Interest Income After Mortgage Loan Loss Provision		531	601	567
Other Income/(Loss):
Total other-than-temporary impairment (OTTI) loss		(14)	(23)	(10)
Net amount of OTTI loss reclassified to/(from) AOCI		3	12	(6)
Net OTTI loss, credit-related		(11)	(11)	(16)
Net gain/(loss) on trading securities		(2)	(2)	0
Net gain/(loss) on advances and net (gain)/loss on consolidated obligation bonds from changes in fair value recognized in earnings		101	(21)	(31)
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net		(92)	5	(14)
Gains on litigation settlements, net		0	0	119
Other		25	18	20
Total Other Income/(Loss)		21	(11)	78
Other Expense:
Compensation and benefits		84	78	76
Other operating expense		73	67	70
Federal Housing Finance Agency		7	6	6
Office of Finance		6	6	5
Quality Jobs Fund expense		15	25	60
Other, net		2	5	7
Total Other Expense		187	187	224
Income/(Loss) Before Assessment		365	403	421
AHP Assessment		38	43	45
Net Income/(Loss)		$ 327	$ 360	$ 376

[1] The Bank excludes interest expense on mandatorily redeemable capital stock from adjusted net interest income in its analysis of financial performance for its two operating segments