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Securitizations and Variable Interest Entities
9 Months Ended
Sep. 30, 2017
Securitizations and Variable Interest Entities [Abstract]  
Securitizations and Variable Interest Entities
Note 7: Securitizations and Variable Interest Entities
Involvement with SPEs
In the normal course of business, we enter into various types of on- and off-balance sheet transactions with SPEs, which are corporations, trusts, limited liability companies or partnerships that are established for a limited purpose. Generally, SPEs are formed in connection with securitization transactions and are considered variable interest entities (VIEs). For further description of our involvement with SPEs, see Note 8 (Securitizations and Variable Interest Entities) to Financial Statements in our 2016 Form 10-K.
We have segregated our involvement with VIEs between those VIEs which we consolidate, those which we do not consolidate and those for which we account for the transfers of financial assets as secured borrowings. Secured borrowings are transactions involving transfers of our financial assets to third parties that are accounted for as financings with the assets pledged as collateral. Accordingly, the transferred assets remain recognized on our balance sheet. Subsequent tables within this Note further segregate these transactions by structure type.
Table 7.1 provides the classifications of assets and liabilities in our balance sheet for our transactions with VIEs.
Table 7.1: Balance Sheet Transactions with VIEs
(in millions)
VIEs that we
do not
consolidate

 
VIEs
that we
consolidate

Transfers that
we account
for as secured
borrowings
 
 
Total

September 30, 2017
 
 
 
 
 
Cash
$

 
115

 

 
115

Federal funds sold, securities purchased under resale agreements and other short-term investments

 
402

 

 
402

Trading assets
1,150

 
130

 
201

 
1,481

Investment securities (1)
4,944

 

 
364

 
5,308

Loans
4,491

 
11,905

 
508

 
16,904

Mortgage servicing rights
13,340

 

 

 
13,340

Derivative assets
80

 

 

 
80

Other assets
10,355

 
352

 
7

 
10,714

Total assets
34,360

 
12,904

 
1,080

 
48,344

Short-term borrowings

 

 
523

 
523

Derivative liabilities
101

 
26

(2)

 
127

Accrued expenses and other liabilities  
240

 
141

(2)
32

 
413

Long-term debt  
3,103

 
2,103

(2)
489

 
5,695

Total liabilities
3,444

 
2,270

 
1,044

 
6,758

Noncontrolling interests

 
119

 

 
119

Net assets
$
30,916

 
10,515

 
36

 
41,467

December 31, 2016
 
 
 
 
 
 
 
Cash
$

 
168

 

 
168

Federal funds sold, securities purchased under resale agreements and other short-term investments

 
74

 

 
74

Trading assets
2,034

 
130

 
201

 
2,365

Investment securities (1)
8,530

 

 
786

 
9,316

Loans
6,698

 
12,589

 
138

 
19,425

Mortgage servicing rights
13,386

 

 

 
13,386

Derivative assets
91

 
1

 

 
92

Other assets
10,281

 
452

 
11

 
10,744

Total assets
41,020

 
13,414

 
1,136

 
55,570

Short-term borrowings

 

 
905

 
905

Derivative liabilities
59

 
33

(2)

 
92

Accrued expenses and other liabilities
306

 
107

(2)
2

 
415

Long-term debt
3,598

 
3,694

(2)
136

 
7,428

Total liabilities
3,963

 
3,834

 
1,043

 
8,840

Noncontrolling interests

 
138

 

 
138

Net assets
$
37,057

 
9,442

 
93

 
46,592

(1)
Excludes certain debt securities related to loans serviced for the Federal National Mortgage Association (FNMA), Federal Home Loan Mortgage Corporation (FHLMC) and GNMA.
(2)
There were no VIE liabilities with recourse to the general credit of Wells Fargo for the periods presented.

Transactions with Unconsolidated VIEs
Our transactions with unconsolidated VIEs include securitizations of residential mortgage loans, CRE loans, student loans, automobile loans and leases, certain dealer floorplan loans; investment and financing activities involving collateralized debt obligations (CDOs) backed by asset-backed and CRE securities, tax credit structures, collateralized loan obligations (CLOs) backed by corporate loans, and other types of structured financing. We have various forms of involvement with VIEs, including servicing, holding senior or subordinated interests, entering into liquidity arrangements, credit default swaps and other derivative contracts. Involvements with these unconsolidated VIEs are recorded on our balance sheet in trading assets, investment securities, loans, MSRs, derivative assets and liabilities, other assets, other liabilities, and long-term debt, as appropriate.
Table 7.2 provides a summary of unconsolidated VIEs with which we have significant continuing involvement, but we are not the primary beneficiary. We do not consider our continuing involvement in an unconsolidated VIE to be significant when it relates to third-party sponsored VIEs for which we were not the transferor (unless we are servicer and have other significant forms of involvement) or if we were the sponsor only or sponsor and servicer but do not have any other forms of significant involvement.
Significant continuing involvement includes transactions where we were the sponsor or transferor and have other significant forms of involvement. Sponsorship includes transactions with unconsolidated VIEs where we solely or materially participated in the initial design or structuring of the entity or marketing of the transaction to investors. When we transfer assets to a VIE and account for the transfer as a sale, we are considered the transferor. We consider investments in securities (other than those held temporarily in trading), loans, guarantees, liquidity agreements, written options and servicing of collateral to be other forms of involvement that may be significant. We have excluded certain transactions with unconsolidated VIEs from the balances presented in the following table where we have determined that our continuing involvement is not significant due to the temporary nature and size of our variable interests, because we were not the transferor or because we were not involved in the design of the unconsolidated VIEs. We also exclude from the table secured borrowing transactions with unconsolidated VIEs (for information on these transactions, see the Transactions with Consolidated VIEs and Secured Borrowings section in this Note).
Table 7.2: Unconsolidated VIEs
 
 
 
Carrying value – asset (liability)
 
(in millions)
Total
VIE
assets

 
Debt and
equity
interests (1)

 
Servicing
assets

 
Derivatives

 
Other
commitments
and
guarantees

 
Net
assets

September 30, 2017
 
 
 
 
 
 
 
 
 
 
 
Residential mortgage loan securitizations:
 
 
 
 
 
 
 
 
 
 
 
Conforming (2)
$
1,172,135

 
2,056

 
12,387

 

 
(188
)
 
14,255

Other/nonconforming
15,226

 
774

 
85

 

 

 
859

Commercial mortgage securitizations
142,525

 
2,535

 
868

 
70

 
(33
)
 
3,440

Collateralized debt obligations:
 
 
 
 
 
 
 
 
 
 
 
Debt securities
1,074

 

 

 
5

 
(20
)
 
(15
)
Loans (3)
1,494

 
1,457

 

 

 

 
1,457

Asset-based finance structures
3,569

 
2,666

 

 

 

 
2,666

Tax credit structures
29,295

 
10,820

 

 

 
(3,103
)
 
7,717

Collateralized loan obligations
18

 
4

 

 

 

 
4

Investment funds
216

 
51

 

 

 

 
51

Other (4)
2,521

 
577

 

 
(95
)
 

 
482

Total
$
1,368,073

 
20,940

 
13,340

 
(20
)
 
(3,344
)
 
30,916

 
 
 
Maximum exposure to loss
 
 
 
 
Debt and
equity
interests (1)

 
Servicing
assets

 
Derivatives

 
Other
commitments
and
guarantees

 
Total
exposure

Residential mortgage loan securitizations:
 
 
 
 
 
 
 
 
 
 
 
Conforming
 
 
$
2,056

 
12,387

 

 
976

 
15,419

Other/nonconforming
 
 
774

 
85

 

 

 
859

Commercial mortgage securitizations
 
 
2,535

 
868

 
73

 
9,901

 
13,377

Collateralized debt obligations:
 
 
 
 
 
 
 
 
 
 
 
Debt securities
 
 

 

 
5

 
20

 
25

Loans (3)
 
 
1,457

 

 

 

 
1,457

Asset-based finance structures
 
 
2,666

 

 

 
71

 
2,737

Tax credit structures
 
 
10,820

 

 

 
947

 
11,767

Collateralized loan obligations
 
 
4

 

 

 

 
4

Investment funds
 
 
51

 

 

 

 
51

Other (4)
 
 
577

 

 
120

 
157

 
854

Total
 
 
$
20,940

 
13,340

 
198

 
12,072

 
46,550

(continued on following page)
(continued from previous page)
 
 
 
Carrying value – asset (liability)
 
(in millions)
Total
VIE
assets

 
Debt and
equity
interests (1)

 
Servicing
assets

 
Derivatives

 
Other
commitments
and
guarantees

 
Net
assets

December 31, 2016
 
 
 
 
 
 
 
 
 
 
 
Residential mortgage loan securitizations:
 
 
 
 
 
 
 
 
 
 
 
Conforming (2)
$
1,166,296

 
3,026

 
12,434

 

 
(232
)
 
15,228

Other/nonconforming
18,805

 
873

 
109

 

 
(2
)
 
980

Commercial mortgage securitizations
166,596

 
4,258

 
843

 
87

 
(35
)
 
5,153

Collateralized debt obligations:
 
 
 
 
 
 
 
 
 
 
 
Debt securities
1,472

 

 

 

 
(25
)
 
(25
)
Loans (3)
1,545

 
1,507

 

 

 

 
1,507

Asset-based finance structures
9,152

 
6,522

 

 

 

 
6,522

Tax credit structures
29,713

 
10,669

 

 

 
(3,609
)
 
7,060

Collateralized loan obligations
78

 
10

 

 

 

 
10

Investment funds
214

 
48

 

 

 

 
48

Other (4)
1,733

 
630

 

 
(56
)
 

 
574

Total
$
1,395,604

 
27,543

 
13,386

 
31

 
(3,903
)
 
37,057

 
 
 
Maximum exposure to loss
 
 
 
 
Debt and
equity
interests (1)

 
Servicing
assets

 
Derivatives

 
Other
commitments
and
guarantees

 
Total
exposure

Residential mortgage loan securitizations:
 
 
 
 
 
 
 
 
 
 
 
Conforming
 
 
$
3,026

 
12,434

 

 
979

 
16,439

Other/nonconforming
 
 
873

 
109

 

 
2

 
984

Commercial mortgage securitizations
 
 
4,258

 
843

 
94

 
9,566

 
14,761

Collateralized debt obligations:
 
 
 
 
 
 
 
 
 
 
 
Debt securities
 
 

 

 

 
25

 
25

Loans (3)
 
 
1,507

 

 

 

 
1,507

Asset-based finance structures
 
 
6,522

 

 

 
72

 
6,594

Tax credit structures
 
 
10,669

 

 

 
1,104

 
11,773

Collateralized loan obligations
 
 
10

 

 

 

 
10

Investment funds
 
 
48

 

 

 

 
48

Other (4)
 
 
630

 

 
93

 

 
723

Total
 
 
$
27,543

 
13,386

 
187

 
11,748

 
52,864

(1)
Includes total equity interests of $10.4 billion and $10.3 billion at September 30, 2017, and December 31, 2016, respectively. Also includes debt interests in the form of both loans and securities. Excludes certain debt securities held related to loans serviced for FNMA, FHLMC and GNMA.
(2)
Excludes assets and related liabilities with a recorded carrying value on our balance sheet of $1.3 billion and $1.2 billion at September 30, 2017, and December 31, 2016, respectively, for certain delinquent loans that are eligible for repurchase from GNMA loan securitizations. The recorded carrying value represents the amount that would be payable if the Company was to exercise the repurchase option. The carrying amounts are excluded from the table because the loans eligible for repurchase do not represent interests in the VIEs.
(3)
Represents senior loans to trusts that are collateralized by asset-backed securities. The trusts invest in senior tranches from a diversified pool of U.S. asset securitizations, of which all are current and 100% were rated as investment grade by the primary rating agencies at both September 30, 2017, and December 31, 2016. These senior loans are accounted for at amortized cost and are subject to the Company’s allowance and credit charge-off policies.
(4)
Includes structured financing and credit-linked note structures. Also contains investments in auction rate securities (ARS) issued by VIEs that we do not sponsor and, accordingly, are unable to obtain the total assets of the entity.

In Table 7.2, “Total VIE assets” represents the remaining principal balance of assets held by unconsolidated VIEs using the most current information available. For VIEs that obtain exposure to assets synthetically through derivative instruments, the remaining notional amount of the derivative is included in the asset balance. “Carrying value” is the amount in our consolidated balance sheet related to our involvement with the unconsolidated VIEs. “Maximum exposure to loss” from our involvement with off-balance sheet entities, which is a required disclosure under GAAP, is determined as the carrying value of our involvement with off-balance sheet (unconsolidated) VIEs plus the remaining undrawn liquidity and lending commitments, the notional amount of net written derivative contracts, and generally the notional amount of, or stressed loss estimate for, other commitments and guarantees. It represents estimated loss that would be incurred under severe, hypothetical circumstances, for which we believe the possibility is extremely remote, such as where the value of our interests and any associated collateral declines to zero, without any consideration of recovery or offset from any economic hedges. Accordingly, this required disclosure is not an indication of expected loss.
For complete descriptions of our types of transactions with unconsolidated VIEs with which we have a significant continuing involvement, but we are not the primary beneficiary, see Note 8 (Securitizations and Variable Interest Entities) to Financial Statements in our 2016 Form 10-K.

INVESTMENT FUNDS Subsequent to adopting ASU 2015-02 (Amendments to the Consolidation Analysis) in first quarter 2016, we do not consolidate these investment funds because we do not hold variable interests that are considered significant to the funds.
We voluntarily waived a portion of our management fees for certain money market funds that are exempt from the consolidation analysis to ensure the funds maintained a minimum level of daily net investment income. The amount of fees waived in the third quarter and first nine months of 2017 was $12 million and $39 million, respectively, compared with $28 million and $84 million, respectively, in the same periods of 2016.

OTHER TRANSACTIONS WITH VIEs  Other VIEs include certain entities that issue auction rate securities (ARS) which are debt instruments with long-term maturities, that re-price more frequently, and preferred equities with no maturity. At September 30, 2017, we held $400 million of ARS issued by VIEs compared with $453 million at December 31, 2016. We acquired the ARS pursuant to agreements entered into in 2008 and 2009.
We do not consolidate the VIEs that issued the ARS because we do not have power over the activities of the VIEs.

TRUST PREFERRED SECURITIES  VIEs that we wholly own issue debt securities or preferred equity to third party investors. All of the proceeds of the issuance are invested in debt securities or preferred equity that we issue to the VIEs. The VIEs’ operations and cash flows relate only to the issuance, administration and repayment of the securities held by third parties. We do not consolidate these VIEs because the sole assets of the VIEs are receivables from us, even though we own all of the voting equity shares of the VIEs, have fully guaranteed the obligations of the VIEs and may have the right to redeem the third party securities under certain circumstances. In our consolidated balance sheet at September 30, 2017, and December 31, 2016, we reported the debt securities issued to the VIEs as long-term junior subordinated debt with a carrying value of $2.0 billion and $2.1 billion, respectively, and the preferred equity securities issued to the VIEs as preferred stock with a carrying value of $2.5 billion at both dates. These amounts are in addition to the involvements in these VIEs included in the preceding table.
In the first nine months of 2017, we redeemed $150 million of trust preferred securities which were partially included in Tier 2 capital (50% credit in 2017) in the transitional framework and were not included under the fully-phased framework under the Basel III standards.
 
Loan Sales and Securitization Activity
We periodically transfer consumer and CRE loans and other types of financial assets in securitization and whole loan sale transactions. We typically retain the servicing rights from these sales and may continue to hold other beneficial interests in the transferred financial assets. We may also provide liquidity to investors in the beneficial interests and credit enhancements in the form of standby letters of credit. Through these transfers we may be exposed to liability under limited amounts of recourse as well as standard representations and warranties we make to purchasers and issuers. Table 7.3 presents the cash flows for our transfers accounted for as sales.
Table 7.3: Cash Flows From Sales and Securitization Activity
 
2017
 
 
2016
 
(in millions)
Mortgage
loans

 
Other
financial
assets

 
Mortgage
loans

 
Other
financial
assets

Quarter ended September 30,
  

 
  

 
  

 
  

Proceeds from securitizations and whole loan sales
$
61,756

 

 
66,830

 
53

Fees from servicing rights retained
826

 

 
891

 

Cash flows from other interests held (1)
408

 

 
930

 

Repurchases of assets/loss reimbursements (2):
 
 
 
 
 
 
 
Non-agency securitizations and whole loan transactions
5

 

 
4

 

Agency securitizations (3)
20

 

 
22

 

Servicing advances, net of repayments
(90
)
 

 
(52
)
 

Nine months ended September 30,
 
 
 
 
 
 
 
Proceeds from securitizations and whole loan sales
$
172,837

 
25

 
178,301

 
186

Fees from servicing rights retained
2,520

 

 
2,636

 

Cash flows from other interests held (1)
1,883

 

 
1,964

 
1

Repurchases of assets/loss reimbursements (2):
 
 
 
 
 
 
 
Non-agency securitizations and whole loan transactions
12

 

 
22

 

Agency securitizations (3)
66

 

 
104

 

Servicing advances, net of repayments
(252
)
 

 
(159
)
 

(1)
Cash flows from other interests held include principal and interest payments received on retained bonds and excess cash flows received on interest-only strips.
(2)
Consists of cash paid to repurchase loans from investors and cash paid to investors to reimburse them for losses on individual loans that are already liquidated.
(3)
Represent loans repurchased from GNMA, FNMA, and FHLMC under representation and warranty provisions included in our loan sales contracts. Third quarter and first nine months of 2017 exclude $2.1 billion and $6.0 billion, respectively in delinquent insured/guaranteed loans that we service and have exercised our option to purchase out of GNMA pools, compared with $2.4 billion and $7.3 billion, respectively, in the same periods of 2016. These loans are predominantly insured by the FHA or guaranteed by the VA.

In the third quarter and first nine months of 2017, we recognized net gains of $91 million and $616 million, respectively, from transfers accounted for as sales of financial assets, compared with $141 million and $436 million, respectively, in the same periods of 2016. These net gains largely relate to commercial mortgage securitizations and residential mortgage securitizations where the loans were not already carried at fair value.
Sales with continuing involvement during the third quarter and first nine months of 2017 and 2016 largely related to securitizations of residential mortgages that are sold to the government-sponsored entities (GSEs), including FNMA, FHLMC and GNMA (conforming residential mortgage securitizations). During the third quarter and first nine months of 2017, we transferred $57.8 billion and $163.0 billion, respectively, in fair value of residential mortgages to unconsolidated VIEs and third-party investors and recorded the transfers as sales, compared with $63.3 billion and $165.6 billion, respectively, in the same periods of 2016. Substantially all of these transfers did not result in a gain or loss because the loans were already carried at fair value. In connection with all of these transfers, in the first nine months of 2017, we recorded a $1.5 billion servicing asset, measured at fair value using a Level 3 measurement technique, securities of $2.2 billion, classified as Level 2, and a $20 million liability for repurchase losses which reflects management’s estimate of probable losses related to various representations and warranties for the loans transferred, initially measured at fair value. In the first nine months of 2016, we recorded a $1.3 billion servicing asset, securities of $3.0 billion, and a $26 million liability.
Table 7.4 presents the key weighted-average assumptions we used to measure residential mortgage servicing rights at the date of securitization.
Table 7.4: Residential Mortgage Servicing Rights
 
Residential mortgage
servicing rights
 
 
2017

 
2016

Quarter ended September 30,
  

 
  

Prepayment speed (1)
12.1
%
 
12.4

Discount rate
6.9

 
6.2

Cost to service ($ per loan) (2)
$
122

 
124

Nine months ended September 30,
 
 
 
Prepayment speed (1)
11.7
%
 
12.5

Discount rate
6.9

 
6.5

Cost to service ($ per loan) (2)
$
135

 
136

(1)
The prepayment speed assumption for residential mortgage servicing rights includes a blend of prepayment speeds and default rates. Prepayment speed assumptions are influenced by mortgage interest rate inputs as well as our estimation of drivers of borrower behavior.
(2)
Includes costs to service and unreimbursed foreclosure costs, which can vary period to period depending on the mix of modified government-guaranteed loans sold to GNMA.
During the third quarter and first nine months of 2017, we transferred $4.6 billion and $11.2 billion, respectively, in carrying value of commercial mortgages to unconsolidated VIEs and third-party investors and recorded the transfers as sales, compared with $4.0 billion and $13.9 billion, respectively, in the same periods of 2016. These transfers resulted in gains of $89 million and $265 million in the third quarter and first nine months of 2017, respectively, because the loans were carried at lower of cost or market value (LOCOM), compared with gains of $134 million and $327 million, respectively, in the same periods of 2016. In connection with these transfers, in the first nine months of 2017, we recorded a servicing asset of $123 million, initially measured at fair value using a Level 3 measurement technique, and securities of $65 million, classified as Level 2. In the first nine months of 2016, we recorded a servicing asset of $204 million and securities of $236 million.

Retained Interests from Unconsolidated VIEs
Table 7.5 provides key economic assumptions and the sensitivity of the current fair value of residential mortgage servicing rights and other interests held to immediate adverse changes in those assumptions. “Other interests held” relate to residential and commercial mortgage loan securitizations. Residential mortgage-backed securities retained in securitizations issued through GSEs, such as FNMA, FHLMC and GNMA, are excluded from the table because these securities have a remote risk of credit loss due to the GSE guarantee. These securities also have economic characteristics similar to GSE mortgage-backed securities that we purchase, which are not included in the table. Subordinated interests include only those bonds whose credit rating was below AAA by a major rating agency at issuance. Senior interests include only those bonds whose credit rating was AAA by a major rating agency at issuance. The information presented excludes trading positions held in inventory.
Table 7.5: Retained Interests from Unconsolidated VIEs
 
 
 
Other interests held
 
 
Residential
mortgage
servicing
rights (1)

 
Interest-only
strips

 
Consumer

 
Commercial (2)
 
($ in millions, except cost to service amounts)
 
 
Subordinated
bonds

 
Subordinated
bonds

 
Senior
bonds

Fair value of interests held at September 30, 2017
$
13,338

 
23

 

 
561

 
526

Expected weighted-average life (in years)
6.1

 
3.8

 
0.0

 
5.7

 
5.2

Key economic assumptions:
 
 
 
 
 
 
 
 
 
Prepayment speed assumption (3)
10.8
%
 
17.4

 

 
 
 
 
Decrease in fair value from:
 
 
 
 
 
 
 
 
 
10% adverse change
$
575

 
1

 

 
 
 
 
25% adverse change
1,359

 
2

 

 
 
 
 
Discount rate assumption
6.7
%
 
12.7

 

 
3.0

 
2.9

Decrease in fair value from:
 
 
 
 
 
 
 
 
 
100 basis point increase
$
647

 

 

 
25

 
22

200 basis point increase
1,236

 
1

 

 
47

 
44

Cost to service assumption ($ per loan)
145

 
 
 
 
 
 
 
 
Decrease in fair value from:
 
 
 
 
 
 
 
 
 
10% adverse change
476

 
 
 
 
 
 
 
 
25% adverse change
1,189

 
 
 
 
 
 
 
 
Credit loss assumption
 
 
 
 
%
 
2.0

 

Decrease in fair value from:
 
 
 
 
 
 
 
 
 
10% higher losses
 
 
 
 
$

 

 

25% higher losses
 
 
 
 

 

 

Fair value of interests held at December 31, 2016
$
12,959

 
28

 
1

 
249

 
552

Expected weighted-average life (in years)
6.3

 
3.9

 
8.3

 
3.1

 
5.1

Key economic assumptions:
 
 
 
 
 
 
 
 
 
Prepayment speed assumption (3)
10.3
%
 
17.4

 
13.5

 
 
 
 
Decrease in fair value from:
 
 
 
 
 
 
 
 
 
10% adverse change
$
583

 
1

 

 
 
 
 
25% adverse change
1,385

 
2

 

 
 
 
 
Discount rate assumption
6.8
%
 
13.3

 
10.7

 
5.2

 
2.7

Decrease in fair value from:
 
 
 
 
 
 
 
 
 
100 basis point increase
$
649

 
1

 

 
7

 
23

200 basis point increase
1,239

 
1

 

 
12

 
45

Cost to service assumption ($ per loan)
155

 
 
 
 
 
 
 
 
Decrease in fair value from:
 
 
 
 
 
 
 
 
 
10% adverse change
515

 
 
 
 
 
 
 
 
25% adverse change
1,282

 
 
 
 
 
 
 
 
Credit loss assumption
 
 
 
 
3.0
%
 
4.7

 

Decrease in fair value from:
 
 
 
 
 
 
 
 
 
10% higher losses
 
 
 
 
$

 

 

25% higher losses
 
 
 
 

 

 

(1)
See narrative following this table for a discussion of commercial mortgage servicing rights.
(2)
Prepayment speed assumptions do not significantly impact the value of commercial mortgage securitization bonds as the underlying commercial mortgage loans experience significantly lower prepayments due to certain contractual restrictions, impacting the borrower’s ability to prepay the mortgage.
(3)
The prepayment speed assumption for residential mortgage servicing rights includes a blend of prepayment speeds and default rates. Prepayment speed assumptions are influenced by mortgage interest rate inputs as well as our estimation of drivers of borrower behavior.
In addition to residential mortgage servicing rights (MSRs) included in the previous table, we have a small portfolio of commercial MSRs with a fair value of $2.0 billion at both September 30, 2017, and December 31, 2016. The nature of our commercial MSRs, which are carried at LOCOM, is different from our residential MSRs. Prepayment activity on serviced loans does not significantly impact the value of commercial MSRs because, unlike residential mortgages, commercial mortgages experience significantly lower prepayments due to certain contractual restrictions, impacting the borrower’s ability to prepay the mortgage. Additionally, for our commercial MSR portfolio, we are typically master/primary servicer, but not the special servicer, who is separately responsible for the servicing and workout of delinquent and foreclosed loans. It is the special servicer, similar to our role as servicer of residential mortgage loans, who is affected by higher servicing and foreclosure costs due to an increase in delinquent and foreclosed loans. Accordingly, prepayment speeds and costs to service are not key assumptions for commercial MSRs as they do not significantly impact the valuation. The primary economic driver impacting the fair value of our commercial MSRs is forward interest rates, which are derived from market observable yield curves used to price capital markets instruments. Market interest rates significantly affect interest earned on custodial deposit balances. The sensitivity of the current fair value to an immediate adverse 25% change in the assumption about interest earned on deposit balances at September 30, 2017, and December 31, 2016, results in a decrease in fair value of $238 million and $259 million, respectively. See Note 8 (Mortgage Banking Activities) for further information on our commercial MSRs.
We also have a loan to an unconsolidated third party VIE that we extended in fourth quarter 2014 in conjunction with our sale of government guaranteed student loans. The loan is carried at amortized cost and approximates fair value at September 30, 2017, and December 31, 2016. The carrying amount of the loan at September 30, 2017, and December 31, 2016, was $1.3 billion and $3.2 billion, respectively. The estimated fair value of the loan is considered a Level 3 measurement that is determined using discounted cash flows that are based on changes in the discount rate due to changes in the risk premium component (credit spreads). The primary economic assumption impacting the fair value of our loan is the discount rate. Changes in the credit loss assumption are not expected to affect the estimated fair value of the loan due to the government guarantee of the underlying collateral. The sensitivity of the current fair value to an immediate adverse increase of 200 basis points in the risk premium component of the discount rate assumption is a decrease in fair value of $23 million and $154 million at September 30, 2017, and December 31, 2016, respectively.
The sensitivities in the preceding paragraphs and table are hypothetical and caution should be exercised when relying on this data. Changes in value based on variations in assumptions generally cannot be extrapolated because the relationship of the change in the assumption to the change in value may not be linear. Also, the effect of a variation in a particular assumption on the value of the other interests held is calculated independently without changing any other assumptions. In reality, changes in one factor may result in changes in others (for example, changes in prepayment speed estimates could result in changes in the credit losses), which might magnify or counteract the sensitivities.

Off-Balance Sheet Loans
Table 7.6 presents information about the principal balances of off-balance sheet loans that were sold or securitized, including residential mortgage loans sold to FNMA, FHLMC, GNMA and other investors, for which we have some form of continuing involvement (including servicer). Delinquent loans include loans 90 days or more past due and loans in bankruptcy, regardless of delinquency status. For loans sold or securitized where servicing is our only form of continuing involvement, we would only experience a loss if we were required to repurchase a delinquent loan or foreclosed asset due to a breach in representations and warranties associated with our loan sale or servicing contracts.
Table 7.6: Off-Balance Sheet Loans Sold or Securitized
 
 
 
 
 
 
 
 
 
Net charge-offs
 
 
Total loans
 
 
Delinquent loans and foreclosed assets (1)
 
 
Nine months ended September 30,
 
(in millions)
Sep 30, 2017

 
Dec 31, 2016

 
Sep 30, 2017

 
Dec 31, 2016

 
2017

 
2016

Commercial:
 
 
 
 
 
 
 
 
 
 
 
Real estate mortgage
$
98,350

 
106,745

 
2,879

 
3,325

 
718

 
210

Total commercial
98,350

 
106,745

 
2,879

 
3,325

 
718

 
210

Consumer:
 
 
 
 
 
 
 
 
 
 
 
Real estate 1-4 family first mortgage
1,135,409

 
1,160,191

 
12,434

 
16,453

 
546

 
764

Total consumer
1,135,409

 
1,160,191

 
12,434

 
16,453

 
546

 
764

Total off-balance sheet sold or securitized loans (2)
$
1,233,759

 
1,266,936

 
15,313

 
19,778

 
1,264

 
974

(1)
Includes $1.4 billion and $1.7 billion of commercial foreclosed assets and $1.1 billion and $1.8 billion of consumer foreclosed assets at September 30, 2017, and December 31, 2016, respectively.
(2)
At September 30, 2017, and December 31, 2016, the table includes total loans of $1.2 trillion at both dates, delinquent loans of $7.6 billion and $9.8 billion, and foreclosed assets of $730 million and $1.3 billion, respectively, for FNMA, FHLMC and GNMA. Net charge-offs exclude loans sold to FNMA, FHLMC and GNMA as we do not service or manage the underlying real estate upon foreclosure and, as such, do not have access to net charge-off information.
Transactions with Consolidated VIEs and Secured Borrowings
Table 7.7 presents a summary of financial assets and liabilities for asset transfers accounted for as secured borrowings and involvements with consolidated VIEs. Carrying values of “Assets” are presented using GAAP measurement methods, which may include fair value, credit impairment or other adjustments, and therefore in some instances will differ from “Total VIE assets.” For VIEs that obtain exposure synthetically through derivative instruments, the remaining notional amount of the derivative is included in “Total VIE assets.” On the consolidated balance sheet, we separately disclose the consolidated assets of certain VIEs that can only be used to settle the liabilities of those VIEs.
Table 7.7: Transactions with Consolidated VIEs and Secured Borrowings
 
 
 
Carrying value
 
(in millions)
Total VIE
assets

 
Assets

 
Liabilities

 
Noncontrolling
interests

 
Net assets

September 30, 2017
 
 
 
 
 
 
 
 
 
Secured borrowings:
 
 
 
 
 
 
 
 
 
Municipal tender option bond securitizations
$
670

 
572

 
(539
)
 

 
33

Commercial real estate loans
392

 
392

 
(388
)
 

 
4

Residential mortgage securitizations
119

 
116

 
(117
)
 

 
(1
)
Total secured borrowings
1,181

 
1,080

 
(1,044
)
 

 
36

Consolidated VIEs:
 
 
 
 
 
 
 
 
 
Commercial and industrial loans and leases
8,546

 
8,051

 
(1,425
)
 
(14
)
 
6,612

Nonconforming residential mortgage loan securitizations
2,812

 
2,486

 
(837
)
 

 
1,649

Commercial real estate loans
2,120

 
2,120

 

 

 
2,120

Structured asset finance
13

 
8

 
(6
)
 

 
2

Investment funds
135

 
135

 
(1
)
 
(72
)
 
62

Other
118

 
104

 
(1
)
 
(33
)
 
70

Total consolidated VIEs
13,744

 
12,904

 
(2,270
)
 
(119
)
 
10,515

Total secured borrowings and consolidated VIEs
$
14,925

 
13,984

 
(3,314
)
 
(119
)
 
10,551

December 31, 2016
 
 
 
 
 
 
 
 
 
Secured borrowings:
 
 
 
 
 
 
 
 
 
Municipal tender option bond securitizations
$
1,473

 
998

 
(907
)
 

 
91

Residential mortgage securitizations
139

 
138

 
(136
)
 

 
2

Total secured borrowings
1,612

 
1,136

 
(1,043
)
 

 
93

Consolidated VIEs:
 
 
 
 
 
 
 
 
 
Commercial and industrial loans and leases
8,821

 
8,623

 
(2,819
)
 
(14
)
 
5,790

Nonconforming residential mortgage loan securitizations
3,349

 
2,974

 
(1,003
)
 

 
1,971

Commercial real estate loans
1,516

 
1,516

 

 

 
1,516

Structured asset finance
23

 
13

 
(9
)
 

 
4

Investment funds
142

 
142

 
(2
)
 
(67
)
 
73

Other
166

 
146

 
(1
)
 
(57
)
 
88

Total consolidated VIEs
14,017

 
13,414

 
(3,834
)
 
(138
)
 
9,442

Total secured borrowings and consolidated VIEs
$
15,629

 
14,550

 
(4,877
)
 
(138
)
 
9,535


INVESTMENT FUNDS Subsequent to adopting ASU 2015-02 (Amendments to the Consolidation Analysis) in first quarter 2016, we consolidate certain investment funds because we have both the power to manage fund assets and hold variable interests that are considered significant.

OTHER CONSOLIDATED VIE STRUCTURES In addition to the structure types included in the previous table, at December 31, 2016, we had approximately $6.0 billion of private placement debt financing issued through a consolidated VIE. The issuance was classified as long-term debt in our consolidated financial statements. At December 31, 2016, we pledged approximately $434 million in loans (principal and interest eligible to be capitalized) and $6.1 billion in available-for-sale securities to collateralize the VIE’s borrowings. These assets were not transferred to the VIE, and accordingly we excluded the VIE from the previous table. During second quarter 2017, the private placement debt financing was repaid, and the entity was no longer considered a VIE.
For complete descriptions of our accounting for transfers accounted for as secured borrowings and involvements with consolidated VIEs, see Note 8 (Securitizations and Variable Interest Entities) to Financial Statements in our 2016 Form 10-K.