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Investment Securities
3 Months Ended
Mar. 31, 2014
Investments, Debt and Equity Securities [Abstract]  
Investment Securities
Investment Securities
The following table presents the amortized cost and fair value, and associated unrealized gains and losses, of investment securities as of the dates indicated:
 
March 31, 2014
 
December 31, 2013
 
Amortized
Cost
 
Gross
Unrealized
 
Fair
Value
 
Amortized
Cost
 
Gross
Unrealized
 
Fair
Value
(In millions)
Gains
 
Losses
 
Gains
 
Losses
 
Available for sale:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
U.S. Treasury and federal agencies:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Direct obligations
$
1,959

 
$
10

 
$
6

 
$
1,963

 
$
702

 
$
9

 
$
2

 
$
709

Mortgage-backed securities
23,176

 
206

 
290

 
23,092

 
23,744

 
211

 
392

 
23,563

Asset-backed securities:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Student loans(1)
14,355

 
128

 
203

 
14,280

 
14,718

 
92

 
268

 
14,542

Credit cards
7,253

 
21

 
37

 
7,237

 
8,230

 
21

 
41

 
8,210

Sub-prime
1,234

 
3

 
82

 
1,155

 
1,291

 
3

 
91

 
1,203

Other
4,767

 
133

 
20

 
4,880

 
4,949

 
138

 
23

 
5,064

Total asset-backed securities
27,609

 
285

 
342

 
27,552

 
29,188

 
254

 
423

 
29,019

Non-U.S. debt securities:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Mortgage-backed securities
10,978

 
225

 
7

 
11,196

 
10,808

 
230

 
9

 
11,029

Asset-backed securities
4,973

 
23

 
2

 
4,994

 
5,369

 
23

 
2

 
5,390

Government securities
3,689

 
3

 

 
3,692

 
3,759

 
2

 

 
3,761

Other
4,931

 
62

 
9

 
4,984

 
4,679

 
59

 
11

 
4,727

Total non-U.S. debt securities
24,571

 
313

 
18

 
24,866

 
24,615

 
314

 
22

 
24,907

State and political subdivisions
10,345

 
216

 
117

 
10,444

 
10,301

 
160

 
198

 
10,263

Collateralized mortgage obligations
5,253

 
67

 
58

 
5,262

 
5,275

 
70

 
76

 
5,269

Other U.S. debt securities
4,827

 
139

 
20

 
4,946

 
4,876

 
138

 
34

 
4,980

U.S. equity securities
29

 
7

 

 
36

 
28

 
6

 

 
34

Non-U.S. equity securities
1

 

 

 
1

 
1

 

 

 
1

U.S. money-market mutual funds
993

 

 

 
993

 
422

 

 

 
422

Non-U.S. money-market mutual funds
7

 

 

 
7

 
7

 

 

 
7

Total
$
98,770

 
$
1,243

 
$
851

 
$
99,162

 
$
99,159

 
$
1,162

 
$
1,147

 
$
99,174

Held to maturity:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
U.S. Treasury and federal agencies:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Direct obligations
$
5,096

 
$

 
$
328

 
$
4,768

 
$
5,041

 
$

 
$
448

 
$
4,593

Mortgage-backed securities
81

 
6

 

 
87

 
91

 
6

 

 
97

Asset-backed securities:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Student loans(1)
1,889

 
5

 
2

 
1,892

 
1,627

 

 
10

 
1,617

Credit cards
897

 
3

 

 
900

 
762

 
1

 

 
763

Other
738

 
1

 
1

 
738

 
782

 
1

 
2

 
781

Total asset-backed securities
3,524

 
9

 
3

 
3,530

 
3,171

 
2

 
12

 
3,161

Non-U.S. debt securities:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Mortgage-backed securities
4,323

 
172

 
29

 
4,466

 
4,211

 
150

 
48

 
4,313

Asset-backed securities
2,399

 
19

 

 
2,418

 
2,202

 
19

 

 
2,221

Government securities
2

 

 

 
2

 
2

 

 

 
2

Other
192

 

 

 
192

 
192

 

 

 
192

Total non-U.S. debt securities
6,916

 
191

 
29

 
7,078

 
6,607

 
169

 
48

 
6,728

State and political subdivisions
16

 

 

 
16

 
24

 
1

 

 
25

Collateralized mortgage obligations
2,709

 
163

 
25

 
2,847

 
2,806

 
176

 
26

 
2,956

Total
$
18,342

 
$
369

 
$
385

 
$
18,326

 
$
17,740

 
$
354

 
$
534

 
$
17,560

 
 
 
 
(1) Substantially composed of securities guaranteed by the federal government with respect to at least 97% of defaulted principal and
accrued interest on the underlying loans.
Aggregate investment securities carried at $47.67 billion and $46.99 billion as of March 31, 2014 and December 31, 2013, respectively, were designated as pledged for public and trust deposits, short-term borrowings and for other purposes as provided by law.

The following tables present the aggregate fair values of investment securities that have been in a continuous unrealized loss position for less than 12 months, and those that have been in a continuous unrealized loss position for 12 months or longer, as of the dates indicated:
 
Less than 12 months
 
12 months or longer
 
Total
March 31, 2014
Fair
Value
 
Gross
Unrealized
Losses
 
Fair
Value
 
Gross
Unrealized
Losses
 
Fair
Value
 
Gross
Unrealized
Losses
(In millions)
 
 
 
 
 
Available for sale:
 
 
 
 
 
 
 
 
 
 
 
U.S. Treasury and federal agencies:
 
 
 
 
 
 
 
 
 
 
 
Direct obligations
$
1,433

 
$
5

 
$
130

 
$
1

 
$
1,563

 
$
6

Mortgage-backed securities
9,475

 
197

 
3,161

 
93

 
12,636

 
290

Asset-backed securities:
 
 
 
 
 
 
 
 
 
 
 
Student loans
606

 
5

 
7,271

 
198

 
7,877

 
203

Credit cards
3,311

 
26

 
214

 
11

 
3,525

 
37

Sub-prime

 

 
1,106

 
82

 
1,106

 
82

Other
1,997

 
10

 
418

 
10

 
2,415

 
20

Total asset-backed securities
5,914

 
41

 
9,009

 
301

 
14,923

 
342

Non-U.S. debt securities:
 
 
 
 
 
 
 
 
 
 
 
Mortgage-backed securities
819

 
2

 
326

 
5

 
1,145

 
7

Asset-backed securities
280

 
1

 
71

 
1

 
351

 
2

Other
1,652

 
6

 
149

 
3

 
1,801

 
9

Total non-U.S. debt securities
2,751

 
9

 
546

 
9

 
3,297

 
18

State and political subdivisions
1,850

 
49

 
1,311

 
68

 
3,161

 
117

Collateralized mortgage obligations
1,444

 
34

 
551

 
24

 
1,995

 
58

Other U.S. debt securities
783

 
13

 
60

 
7

 
843

 
20

Total
$
23,650

 
$
348

 
$
14,768

 
$
503

 
$
38,418

 
$
851

Held to maturity:
 
 
 
 
 
 
 
 
 
 
 
U.S. Treasury and federal agencies:
 
 
 
 
 
 
 
 
 
 
 
Direct obligations
$
4,751

 
$
328

 
$

 
$

 
$
4,751

 
$
328

Asset-backed securities:
 
 
 
 
 
 
 
 
 
 
 
Student loans
297

 
1

 
176

 
1

 
473

 
2

Other
129

 
1

 

 

 
129

 
1

Total asset-backed securities
426

 
2

 
176

 
1

 
602

 
3

Non-U.S. mortgage-backed securities
906

 
2

 
825

 
27

 
1,731

 
29

Collateralized mortgage obligations
595

 
11

 
407

 
14

 
1,002

 
25

Total
$
6,678

 
$
343

 
$
1,408

 
$
42

 
$
8,086

 
$
385


 
Less than 12 months
 
12 months or longer
 
Total
December 31, 2013
Fair
Value
 
Gross
Unrealized
Losses
 
Fair
Value
 
Gross
Unrealized
Losses
 
Fair
Value
 
Gross
Unrealized
Losses
(In millions)
 
 
 
 
 
Available for sale:
 
 
 
 
 
 
 
 
 
 
 
U.S. Treasury and federal agencies:
 
 
 
 
 
 
 
 
 
 
 
Direct obligations
$
182

 
$
1

 
$
113

 
$
1

 
$
295

 
$
2

Mortgage-backed securities
10,562

 
316

 
2,389

 
76

 
12,951

 
392

Asset-backed securities:
 
 
 
 
 
 
 
 
 
 
 
Student loans
1,930

 
16

 
7,252

 
252

 
9,182

 
268

Credit cards
3,714

 
30

 
161

 
11

 
3,875

 
41

Sub-prime

 

 
1,150

 
91

 
1,150

 
91

Other
1,896

 
12

 
439

 
11

 
2,335

 
23

Total asset-backed securities
7,540

 
58

 
9,002

 
365

 
16,542

 
423

Non-U.S. debt securities:
 
 
 
 
 
 
 
 
 
 
 
Mortgage-backed securities
868

 
2

 
258

 
7

 
1,126

 
9

Asset-backed securities
551

 
1

 
16

 
1

 
567

 
2

Other
1,655

 
9

 
150

 
2

 
1,805

 
11

Total non-U.S. debt securities
3,074

 
12

 
424

 
10

 
3,498

 
22

State and political subdivisions
3,242

 
113

 
1,268

 
85

 
4,510

 
198

Collateralized mortgage obligations
1,581

 
55

 
510

 
21

 
2,091

 
76

Other U.S. debt securities
1,039

 
25

 
58

 
9

 
1,097

 
34

Total
$
27,220

 
$
580

 
$
13,764

 
$
567

 
$
40,984

 
$
1,147

Held to maturity:
 
 
 
 
 
 
 
 
 
 
 
U.S. Treasury and federal agencies:
 
 
 
 
 
 
 
 
 
 
 
Direct obligations
$
4,571

 
$
448

 
$

 
$

 
$
4,571

 
$
448

Asset-backed securities:
 
 
 
 
 
 
 
 
 
 
 
Student Loans
1,352

 
10

 

 

 
1,352

 
10

Other
297

 
1

 
29

 
1

 
326

 
2

Total asset-backed securities
1,649

 
11

 
29

 
1

 
1,678

 
12

Non-U.S. mortgage-backed securities
834

 
3

 
878

 
45

 
1,712

 
48

Collateralized mortgage obligations
759

 
18

 
161

 
8

 
920

 
26

Total
$
7,813

 
$
480

 
$
1,068

 
$
54

 
$
8,881

 
$
534



The following table presents contractual maturities of debt investment securities as of March 31, 2014:
(In millions)
Under 1
Year
 
1 to 5
Years
 
6 to 10
Years
 
Over 10
Years
Available for sale:
 
 
 
 
 
 
 
U.S. Treasury and federal agencies:
 
 
 
 
 
 
 
Direct obligations
$
2

 
$
526

 
$
835

 
$
600

Mortgage-backed securities
183

 
2,387

 
5,276

 
15,246

Asset-backed securities:
 
 
 
 
 
 
 
Student loans
647

 
6,608

 
4,216

 
2,809

Credit cards
2,187

 
3,057

 
1,993

 

Sub-prime
7

 
20

 
1

 
1,127

Other
469

 
1,314

 
1,381

 
1,716

Total asset-backed securities
3,310

 
10,999

 
7,591

 
5,652

Non-U.S. debt securities:
 
 
 
 
 
 
 
Mortgage-backed securities
1,698

 
5,562

 
247

 
3,689

Asset-backed securities
355

 
3,906

 
599

 
134

Government securities
2,537

 
1,155

 

 

Other
1,658

 
2,625

 
701

 

Total non-U.S. debt securities
6,248

 
13,248

 
1,547

 
3,823

State and political subdivisions
672

 
3,122

 
4,049

 
2,601

Collateralized mortgage obligations
453

 
1,458

 
1,059

 
2,292

Other U.S. debt securities
437

 
3,761

 
715

 
33

Total
$
11,305

 
$
35,501

 
$
21,072

 
$
30,247

Held to maturity:
 
 
 
 
 
 
 
U.S. Treasury and federal agencies:
 
 
 
 
 
 
 
Direct obligations
$

 
$

 
$
5,000

 
$
96

Mortgage-backed securities

 
19

 
16

 
46

Asset-backed securities
 
 
 
 
 
 
 
Student loans
19

 
192

 
383

 
1,295

Credit cards

 
335

 
562

 

Other
23

 
447

 
263

 
5

Total asset-backed securities
42

 
974

 
1,208

 
1,300

Non-U.S. debt securities:
 
 
 
 
 
 
 
Mortgage-backed securities
23

 
1,191

 
194

 
2,915

Asset-backed securities
70

 
2,085

 
244

 

Government securities
2

 

 

 

Other
166

 
25

 

 
1

Total non-U.S. debt securities
261

 
3,301

 
438

 
2,916

State and political subdivisions
13

 
3

 

 

Collateralized mortgage obligations
238

 
960

 
496

 
1,015

Total
$
554

 
$
5,257

 
$
7,158

 
$
5,373


The maturities of asset-backed securities, mortgage-backed securities and collateralized mortgage obligations are based on expected principal payments.
The following table presents gross realized gains and gross realized losses from sales of available-for-sale securities and the components of net impairment losses, included in net gains and losses related to investment securities, for the periods indicated:
 
Three Months Ended March 31,
(In millions)
2014
 
2013
Gross realized gains from sales of available-for-sale securities
$
15

 
$
57

Gross realized losses from sales of available-for-sale securities

 
(52
)
Net impairment losses:
 
 
 
Gross losses from other-than-temporary impairment
(1
)
 

Losses reclassified (from) to other comprehensive income
(8
)
 
(3
)
Net impairment losses(1)
(9
)
 
(3
)
Gains related to investment securities, net
$
6

 
$
2

(1) Net impairment losses, recognized in our consolidated statement of income, were composed of the following:
 
 
 
Impairment associated with expected credit losses
$
(9
)
 
$

Impairment associated with adverse changes in timing of expected future cash flows

 
(3
)
Net impairment losses
$
(9
)
 
$
(3
)

The following table presents activity with respect to net impairment losses for the periods indicated:
 
Three Months Ended March 31,
(In millions)
2014
 
2013
Beginning balance
$
122

 
$
124

Plus losses for which other-than-temporary impairment was previously recognized
9

 
3

Less previously recognized losses related to securities sold or matured
(1
)
 

Less losses related to securities intended or required to be sold
(6
)
 

Ending balance
$
124

 
$
127

Impairment:
We conduct periodic reviews of individual securities to assess whether other-than-temporary impairment exists. Impairment exists when the current fair value of an individual security is below its amortized cost basis. When the decline in the security's fair value is deemed to be other than temporary, the loss is recorded in our consolidated statement of income. In addition, for debt securities available for sale and held to maturity, impairment is recorded in our consolidated statement of income when management intends to sell (or may be required to sell) the securities before they recover in value, or when management expects the present value of cash flows expected to be collected from the securities to be less than the amortized cost of the impaired security (a credit loss).
 Our review of impaired securities generally includes:
the identification and evaluation of securities that have indications of potential other-than-temporary impairment, such as issuer-specific concerns, including deteriorating financial condition or bankruptcy;
the analysis of expected future cash flows of securities, based on quantitative and qualitative factors;
the analysis of the collectability of those future cash flows, including information about past events, current conditions and reasonable and supportable forecasts;
the analysis of the underlying collateral for mortgage- and asset-backed securities;
the analysis of individual impaired securities, including consideration of the length of time the security has been in an unrealized loss position, the anticipated recovery period, and the magnitude of the overall price decline;
discussion and evaluation of factors or triggers that could cause individual securities to be deemed other-than- temporarily impaired and those that would not support other-than-temporary impairment; and
documentation of the results of these analyses.
Factors considered in determining whether impairment is other than temporary include:
certain macroeconomic drivers;
certain industry-specific drivers;
the length of time the security has been impaired;
the severity of the impairment;
the cause of the impairment and the financial condition and near-term prospects of the issuer;
activity in the market with respect to the issuer's securities, which may indicate adverse credit conditions; and
our intention not to sell, and the likelihood that we will not be required to sell, the security for a period of time sufficient to allow for its recovery in value.
Substantially all of our investment securities portfolio is composed of debt securities. A critical component of our assessment of other-than-temporary impairment of these debt securities is the identification of credit-impaired securities for which management does not expect to receive cash flows sufficient to recover the entire amortized cost basis of the security.
Debt securities that are not deemed to be credit-impaired are subject to additional management analysis to assess whether management intends to sell, or, more likely than not, would be required to sell, the security before the expected recovery to its amortized cost basis.
The following describes our process for the identification and assessment of other-than-temporary impairment.
U.S. Agency Residential Mortgage-Backed Securities
Our portfolio of U.S. agency residential mortgage-backed securities receives the implicit or explicit backing of the U.S. government in conjunction with specified financial support of the U.S. Treasury. We recorded no other-than-temporary impairment on these securities in the three months ended March 31, 2014 or the three months ended March 31, 2013. The decline in the unrealized losses on these securities as of March 31, 2014 compared to December 31, 2013 was attributable to narrowing spreads in the three months ended March 31, 2014.
Asset-Backed Securities - Student Loans
Asset-backed securities collateralized by student loans are primarily composed of securities collateralized by Federal Family Education Loan Program, or FFELP, loans. FFELP loans benefit from a federal government guarantee of at least 97% of defaulted principal and accrued interest, with additional credit support provided in the form of over-collateralization, subordination and excess spread, which collectively total in excess of 100%. Accordingly, the vast majority of FFELP loan-backed securities are protected from traditional consumer credit risk.
We recorded no other-than-temporary impairment on these securities in the three months ended March 31, 2014 or the three months ended March 31, 2013. The gross unrealized losses in our FFELP loan-backed securities portfolio as of March 31, 2014 were primarily attributable to lower liquidity and the lower spreads on these securities relative to those associated with more current issuances. Our assessment of other-than-temporary impairment of these securities considers, among many other factors, the strength of the U.S. government guarantee, the performance of the underlying collateral, and the remaining average term of the FFELP loan-backed securities portfolio, which was approximately 4.8 years as of March 31, 2014.
Our total exposure to private student loan-backed securities was less than $800 million as of March 31, 2014. Our assessment of other-than-temporary impairment of private student loan-backed securities considers, among other factors, the impact of high unemployment rates on the collateral performance of private student loans. We recorded no other-than-temporary impairment on these securities in the three months ended March 31, 2014 or the three months ended March 31, 2013.
Non-U.S. Mortgage- and Asset-Backed Securities
Non-U.S. mortgage- and asset-backed securities are primarily composed of U.K., Australian and Dutch securities collateralized by residential mortgages and German securities collateralized by automobile loans and leases. Our assessment of impairment with respect to these securities considers the location of the underlying collateral, collateral enhancement and structural features, expected credit losses under base-case and stressed conditions and the macroeconomic outlook for the country in which the collateral is located, including housing prices and unemployment. Where appropriate, any potential loss after consideration of the above-referenced factors is further evaluated to determine whether any other-than-temporary impairment exists.
In the three months ended March 31, 2014, we recorded no other-than-temporary impairment on these securities in our consolidated statement of income. In the three months ended March 31, 2013, we recorded other-than-temporary impairment of $3 million related to non-U.S. mortgage-backed securities resulting from adverse changes in the timing of expected future cash flows from certain of the securities.
Our aggregate exposure to Spain, Italy, Ireland and Portugal with respect to mortgage- and asset-backed securities totaled approximately $647 million as of March 31, 2014, composed of $204 million in Spain, $243 million in Italy, $120 million in Ireland and $80 million in Portugal. We had no direct sovereign debt exposure to any of these countries as of that date. As of March 31, 2014, these mortgage- and asset-backed securities had an aggregate pre-tax net unrealized gain of approximately $91 million, composed of gross unrealized gains of $96 million and gross unrealized losses of $5 million.
Our assessment of other-than-temporary impairment of these securities takes into account government intervention in the corresponding mortgage markets and assumes a negative baseline macroeconomic environment for this region, due to a combination of slower economic growth and continued government austerity measures. Our baseline view assumes a recessionary period characterized by high unemployment and by additional housing price declines of between 10% and 19% across these four countries. Our evaluation of other-than-temporary impairment in our base case does not assume a disorderly sovereign-debt restructuring or a break-up of the Eurozone. In addition, stress testing and sensitivity analysis is performed in order to understand the impact of more severe assumptions on potential other-than-temporary impairment.
State and Political Subdivisions and Other U.S. Debt Securities
Our municipal securities portfolio primarily includes securities issued by U.S. states and their municipalities. A portion of this portfolio is held in connection with our tax-exempt investment program, more fully described in note 9. Our portfolio of other U.S. debt securities is primarily composed of securities issued by U.S. corporations.  The decline in the unrealized losses on these securities as of March 31, 2014 compared to December 31, 2013 was attributable to narrowing spreads and declines in interest rates in the three months ended March 31, 2014.
Our assessment of other-than-temporary impairment of these portfolios considers, among other factors, adverse conditions specifically related to the industry, geographic area or financial condition of the issuer; the structure of the security, including collateral, if any, and payment schedule; rating agency changes to the security's credit rating; the volatility of the fair value changes; and our intent and ability to hold the security until its recovery in value.  If the impairment of the security is credit-related, we estimate the future cash flows from the security, tailored to the security and considering the above-described factors, and any resulting impairment deemed to be other than temporary is recorded in our consolidated statement of income.  We recorded no other-than-temporary impairment on these securities in the three months ended March 31, 2014 or 2013.
U.S. Non-Agency Residential Mortgage-Backed Securities
For U.S. non-agency residential mortgage-backed securities, we assess other-than-temporary impairment using cash-flow models, tailored for each security, that estimate the future cash flows from the underlying mortgages, using the security-specific collateral and transaction structure. Estimates of future cash flows are subject to management judgment. The future cash flows and performance of our portfolio of U.S. non-agency residential mortgage-backed securities are a function of a number of factors, including, but not limited to, the condition of the U.S. economy, the condition of the U.S. residential mortgage markets, and the level of loan defaults, prepayments and loss severities. Management's estimates of future losses for each security also consider the underwriting and historical performance of each specific security, the underlying collateral type, vintage, borrower profile, third-party guarantees, current levels of subordination, geography and other factors.
We recorded no other-than-temporary impairment on these securities in the three months ended March 31, 2014 or 2013.
U.S. Non-Agency Commercial Mortgage-Backed Securities
With respect to our portfolio of U.S. non-agency commercial mortgage-backed securities, other-than-temporary impairment is assessed by considering a number of factors, including, but not limited to, the condition of the U.S. economy and the condition of the U.S. commercial real estate market, as well as capitalization rates. Management estimates of future losses for each security also consider the underlying collateral type, property location, vintage, debt-service coverage ratios, expected property income, servicer advances and estimated property values, as well as current levels of subordination. We recorded $9 million of other-than-temporary impairment on these securities in our consolidated statement of income in the three months ended March 31, 2014, all associated with expected credit losses. We recorded no other-than-temporary impairment on these securities in the three months ended March 31, 2013.
*****
The estimates, assumptions and other risk factors utilized in our assessment of impairment as described above are used by management to identify securities which are subject to further analysis of potential credit losses. Additional analyses are performed using more stressful assumptions to further evaluate the sensitivity of losses relative to the above-described factors. However, since the assumptions are based on the unique characteristics of each security, management uses a range of estimates for prepayment speeds, default, and loss severity forecasts that reflect the collateral profile of the securities within each asset class. In addition, in measuring expected credit losses, the individual characteristics of each security are examined to determine whether any additional factors would increase or mitigate the expected loss. Once losses are determined, the timing of the loss will also affect the ultimate other-than-temporary impairment, since the loss is ultimately subject to a discount commensurate with the purchase yield of the security.
In the aggregate, we recorded other-than-temporary impairment of $9 million in the three months ended March 31, 2014, compared to $3 million in the three months ended March 31, 2013, respectively, as summarized below:
Three months ended March 31, 2014:
$9 million (U.S. non-agency commercial mortgage-backed securities) was associated with expected credit losses.
Three months ended March 31, 2013:
$3 million (non-U.S. mortgage-backed securities) resulted from adverse changes in the timing of expected future cash flows from certain of the securities.
After a review of the investment portfolio, taking into consideration current economic conditions, adverse situations that might affect our ability to fully collect principal and interest, the timing of future payments, the credit quality and performance of the collateral underlying mortgage- and asset-backed securities and other relevant factors, and excluding other-than-temporary impairment recorded in the three months ended March 31, 2014, management considers the aggregate decline in fair value of the investment securities portfolio and the resulting gross pre-tax unrealized losses of $1.24 billion as of March 31, 2014, related to 2,122 securities, to be temporary, and not the result of any material changes in the credit characteristics of the securities.