Short-Term and Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2018

Debt Disclosure [Abstract]

Short-Term Debt [Table Text Block]

The following table displays our outstanding short-term debt (debt with an original contractual maturity of one year or less) and weighted-average interest rates of this debt.

	As of
	September 30, 2018				December 31, 2017
	Outstanding		Weighted- Average Interest Rate(1)		Outstanding		Weighted- Average Interest Rate(1)
	(Dollars in millions)
Federal funds purchased and securities sold under agreements to repurchase(2)	$	749	1.90	%	$	—	—	%
Short-term debt of Fannie Mae	$	28,248	2.06	%	$	33,377	1.18	%
Debt of consolidated trusts	274		2.33		379		1.11
Total short-term debt	$	28,522	2.06	%	$	33,756	1.18	%

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⁽¹⁾ 

Includes the effects of discounts, premiums and other cost basis adjustments.

Long-Term Debt [Table Text Block]

The following table displays our outstanding long-term debt.

	As of
	September 30, 2018					December 31, 2017
	Maturities	Outstanding		Weighted- Average Interest Rate(1)		Maturities	Outstanding		Weighted- Average Interest Rate(1)
	(Dollars in millions)
Senior fixed:
Benchmark notes and bonds	2018 - 2030	$	111,190	2.33	%	2018 - 2030	$	123,541	2.11	%
Medium-term notes(2)	2018 - 2026	66,297		1.50		2018 - 2026	75,901		1.41
Other(3)	2018 - 2038	6,725		4.74		2018 - 2038	7,421		4.84
Total senior fixed		184,212		2.12			206,863		1.95
Senior floating:
Medium-term notes(2)	2019 - 2020	2,675		2.05		2018 - 2020	8,425		1.36
Connecticut Avenue Securities(4)	2023 - 2031	25,657		5.73		2023 - 2030	22,527		5.18
Other(5)	2020 - 2037	347		7.59		2020 - 2037	376		6.36
Total senior floating		28,679		5.41			31,328		4.14
Subordinated debentures	2019	5,486		9.96		2019	5,106		9.93
Secured borrowings(6)	2021 - 2022	57		1.75		2021 - 2022	78		1.70
Total long-term debt of Fannie Mae(7)		218,434		2.75			243,375		2.40
Debt of consolidated trusts	2018 - 2058	3,127,414		2.92		2018 - 2057	3,052,923		2.80
Total long-term debt		$	3,345,848	2.91	%		$	3,296,298	2.77	%

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⁽¹⁾  Includes the effects of discounts, premiums and other cost basis adjustments.

⁽²⁾  Includes long-term debt with an original contractual maturity of greater than 1 year and up to 10 years, excluding zero-coupon debt.

⁽³⁾  Includes other long-term debt with an original contractual maturity of greater than 10 years and foreign exchange bonds.

⁽⁴⁾  Credit risk-sharing securities that transfer a portion of the credit risk on specified pools of single-family mortgage loans to the investors in these securities, a portion of which is reported at fair value.

⁽⁵⁾  Consists of structured debt instruments that are reported at fair value.

⁽⁶⁾  Represents our remaining liability resulting from the transfer of financial assets from our condensed consolidated balance sheets that did not qualify as a sale under the accounting guidance for the transfer of financial instruments.

⁽⁷⁾ 

Includes unamortized discounts and premiums, other cost basis adjustments and fair value adjustments of $399 million and $752 million as of September 30, 2018 and December 31, 2017, respectively.