Investment Securities (Tables)

3 Months Ended

Mar. 31, 2020

The amortized cost, gross unrealized holding gains and losses, and fair value of

available-for-sale

investment securities were as follows:


	March 31, 2020									December 31, 2019
(Dollars in Millions)	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value		Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
U.S. Treasury and agencies	$	18,518	$	592	$	(1	)	$	19,109	$	19,845	$	61	$	(67	)	$	19,839
Mortgage-backed securities
Residential agency		91,962		2,297		(150	)		94,109		93,903		557		(349	)		94,111
Commercial agency		2,527		97		–			2,624		1,482		–		(29	)		1,453
Asset-backed securities
Collateralized debt obligations/Collateralized loan obligations		–		2		–			2		–		1		–			1
Other		367		7		–			374		375		7		–			382
Obligations of state and political subdivisions		7,064		391		(1	)		7,454		6,499		318		(3	)		6,814
Obligations of foreign governments		5		–		–			5		9		–		–			9
Corporate debt securities		4		–		–			4		4		–		–			4
Total available-for-sale	$	120,447	$	3,386	$	(152	)	$	123,681	$	122,117	$	944	$	(448	)	$	122,613


Three Months Ended March 31 (Dollars in Millions)	2020		2019
Taxable	$	640	$	650
Non-taxable		52		55
Total interest income from investment securities	$	692	$	705

The following table provides information about the amount of gross gains and losses realized through the sales of

available-for-sale

investment securities:


Three Months Ended March 31 (Dollars in Millions)	2020			2019
Realized gains	$	73		$	5
Realized losses		(23	)		–
Net realized gains (losses)	$	50		$	5
Income tax (benefit) on net realized gains (losses)	$	13		$	1


	Less Than 12 Months					12 Months or Greater						Total
(Dollars in Millions)	Fair Value		Unrealized Losses				Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
U.S. Treasury and agencies	$	47	$	(1	)		$	–	$	–		$	47	$	(1	)
Residential agency mortgage-backed securities		4,716		(68	)			6,150		(82	)		10,866		(150	)
Other asset-backed securities		–		–				2		–			2		–
Obligations of state and political subdivisions		186		(1	)			–		–			186		(1	)
Corporate debt securities		4		–				–		–			4		–
Total investment securities	$	4,953	$	(70	)		$	6,152	$	(82	)	$	11,105	$	(152	)


(Dollars in Millions)	Amortized Cost		Fair Value		Weighted- Average Maturity in Years		Weighted- Average Yield (e)
U.S. Treasury and Agencies
Maturing in one year or less	$	4,745	$	4,784		.5		1.62	%
Maturing after one year through five years		10,977		11,339		2.3		1.65
Maturing after five years through ten years		2,796		2,986		7.3		1.94
Maturing after ten years		–		–		–		–
Total	$	18,518	$	19,109		2.6		1.69	%
Mortgage-Backed Securities (a)
Maturing in one year or less	$	193	$	193		.6		2.28	%
Maturing after one year through five years		88,861		91,022		3.1		2.33
Maturing after five years through ten years		5,333		5,417		7.3		1.83
Maturing after ten years		102		101		12.1		2.21
Total	$	94,489	$	96,733		3.4		2.31	%
Asset-Backed Securities (a)
Maturing in one year or less	$	–	$	–		–		–	%
Maturing after one year through five years		367		373		3.0		3.05
Maturing after five years through ten years		–		1		6.0		1.52
Maturing after ten years		–		2		13.8		2.41
Total	$	367	$	376		3.0		3.04	%
Obligations of State and Political Subdivisions (b) (c)
Maturing in one year or less	$	32	$	33		.1		6.01	%
Maturing after one year through five years		852		884		2.7		4.39
Maturing after five years through ten years		6,004		6,358		7.0		4.21
Maturing after ten years		176		179		12.6		4.21
Total	$	7,064	$	7,454		6.6		4.24	%
Other
Maturing in one year or less	$	9	$	9		.3		2.44	%
Maturing after one year through five years		–		–		–		–
Maturing after five years through ten years		–		–		–		–
Maturing after ten years		–		–		–		–
Total	$	9	$	9		.3		2.44	%
Total investment securities (d)	$	120,447	$	123,681		3.4		2.33	%

(a)	Information related to asset and mortgage-backed securities included above is presented based upon weighted-average maturities that take into account anticipated future prepayments.

(b)	Information related to obligations of state and political subdivisions is presented based upon yield to first optional call date if the security is purchased at a premium, and yield to maturity if the security is purchased at par or a discount.

(c)	Maturity calculations for obligations of state and political subdivisions are based on the first optional call date for securities with a fair value above par and the contractual maturity date for securities with a fair value equal to or below par.

(d)	The weighted-average maturity of total available-for-sale investment securities was 4.2 years at December 31, 2019, with a corresponding weighted-average yield of 2.38 percent.

(e)	Weighted-average yields for obligations of state and political subdivisions are presented on a fully-taxable equivalent basis based on a federal income tax rate of 21 percent. Yields on investment securities are computed based on amortized cost balances.