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Loans and Allowance for Credit Losses
3 Months Ended
Mar. 31, 2019
Receivables [Abstract]  
Loans and Allowance for Credit Losses
 Note 4      Loans and Allowance for Credit Losses

The composition of the loan portfolio, disaggregated by class and underlying specific portfolio type, was as follows:

 

    March 31, 2019             December 31, 2018  
(Dollars in Millions)   Amount      Percent
of Total
            Amount      Percent
of Total
 

Commercial

              

Commercial

  $ 97,552        33.9        $ 96,849        33.8

Lease financing

    5,517        1.9                5,595        2.0  

Total commercial

    103,069        35.8            102,444        35.7  

Commercial Real Estate

              

Commercial mortgages

    28,416        9.9            28,596        10.0  

Construction and development

    11,005        3.8                10,943        3.8  

Total commercial real estate

    39,421        13.7            39,539        13.9  

Residential Mortgages

              

Residential mortgages

    54,552        18.9            53,034        18.5  

Home equity loans, first liens

    11,691        4.1                12,000        4.2  

Total residential mortgages

    66,243        23.0            65,034        22.7  

Credit Card

    22,268        7.8            23,363        8.1  

Other Retail

              

Retail leasing

    8,612        3.0            8,546        3.0  

Home equity and second mortgages

    15,883        5.5            16,122        5.6  

Revolving credit

    2,934        1.0            3,088        1.1  

Installment

    10,030        3.5            9,676        3.4  

Automobile

    18,976        6.6            18,719        6.5  

Student

    263        .1                279        .1  

Total other retail

    56,698        19.7                56,430        19.7  

Total loans

  $ 287,699        100.0            $ 286,810        100.0

The Company had loans of $91.0 billion at March 31, 2019, and $88.7 billion at December 31, 2018, pledged at the Federal Home Loan Bank, and loans of $71.1 billion at March 31, 2019, and $70.1 billion at December 31, 2018, pledged at the Federal Reserve Bank.

Originated loans are reported at the principal amount outstanding, net of unearned interest and deferred fees and costs, and any partial charge-offs recorded. Net unearned interest and deferred fees and costs amounted to $854 million at March 31, 2019 and $872 million at December 31, 2018. All purchased loans are recorded at fair value at the date of purchase. The Company evaluates purchased loans for impairment at the date of purchase in accordance with applicable authoritative accounting guidance. Purchased loans with evidence of credit deterioration since origination for which it is probable that all contractually required payments will not be collected are considered “purchased impaired loans.” All other purchased loans are considered “purchased nonimpaired loans.”

The Company offers a broad array of lending products and categorizes its loan portfolio into two segments, which is the level at which it develops and documents a systematic methodology to determine the allowance for credit losses. The Company’s two loan portfolio segments are commercial lending and consumer lending. Previously, the Company categorized loans covered under loss sharing or similar credit protection agreements with the Federal Deposit Insurance Corporation (“FDIC”), along with the related indemnification asset, in a separate covered loans segment. During 2018 the majority of these loans were sold and the loss share coverage expired. Any remaining balances were reclassified to be included in their respective portfolio category.

Allowance for Credit Losses The allowance for credit losses is established for probable and estimable losses incurred in the Company’s loan and lease portfolio, including unfunded credit commitments. The allowance for credit losses is increased through provisions charged to earnings and reduced by net charge-offs. Management evaluates the adequacy of the allowance for incurred losses on a quarterly basis.

The allowance recorded for loans in the commercial lending segment is based on reviews of individual credit relationships and considers the migration analysis of commercial lending segment loans and actual loss experience. For each loan type, this historical loss experience is adjusted as necessary to consider any relevant changes in portfolio composition, lending policies, underwriting standards, risk management practices or economic conditions. The results of the analysis are evaluated quarterly to confirm the selected loss experience is appropriate for each commercial loan type. The allowance recorded for impaired loans greater than $5 million in the commercial lending segment is based on an individual loan analysis utilizing expected cash flows discounted using the original effective interest rate, the observable market price of the loan, or the fair value of the collateral, less selling costs, for collateral-dependent loans, rather than the migration analysis. The allowance recorded for all other commercial lending segment loans is determined on a homogenous pool basis and includes consideration of product mix, risk characteristics of the portfolio, delinquency status, bankruptcy experience, portfolio growth and historical losses, adjusted for current trends. The Company also considers the impacts of any loan modifications made to commercial lending segment loans and any subsequent payment defaults to its expectations of cash flows, principal balance, and current expectations about the borrower’s ability to pay in determining the allowance for credit losses.

The allowance recorded for Troubled Debt Restructuring (“TDR”) loans and purchased impaired loans in the consumer lending segment is determined on a homogenous pool basis utilizing expected cash flows discounted using the original effective interest rate of the pool, or the prior quarter effective rate, respectively. The allowance for collateral-dependent loans in the consumer lending segment is determined based on the fair value of the collateral less costs to sell. The allowance recorded for all other consumer lending segment loans is determined on a homogenous pool basis and includes consideration of product mix, risk characteristics of the portfolio, bankruptcy experience, delinquency status, refreshed loan-to-value ratios when possible, portfolio growth and historical losses, adjusted for current trends. The Company also considers any modifications made to consumer lending segment loans including the impacts of any subsequent payment defaults since modification in determining the allowance for credit losses, such as the borrower’s ability to pay under the restructured terms, and the timing and amount of payments.

In addition, subsequent payment defaults on loan modifications considered TDRs are considered in the underlying factors used in the determination of the appropriateness of the allowance for credit losses. For each loan segment, the Company estimates future loan charge-offs through a variety of analysis, trends and underlying assumptions. With respect to the commercial lending segment, TDRs may be collectively evaluated for impairment where observed performance history, including defaults, is a primary driver of the loss allocation. For commercial TDRs individually evaluated for impairment, attributes of the borrower are the primary factors in determining the allowance for credit losses. However, historical loss experience is also incorporated into the allowance methodology applied to this category of loans. With respect to the consumer lending segment, performance of the portfolio, including defaults on TDRs, is considered when estimating future cash flows.

The Company’s methodology for determining the appropriate allowance for credit losses for each loan segment also considers the imprecision inherent in the methodologies used. As a result, in addition to the amounts determined under the methodologies described above, management also considers the potential impact of other qualitative factors which include, but are not limited to, economic factors; geographic and other concentration risks; delinquency and nonaccrual trends; current business conditions; changes in lending policy, underwriting standards and other relevant business practices; results of internal review; and the regulatory environment. The consideration of these items results in adjustments to allowance amounts included in the Company’s allowance for credit losses for each of the above loan segments.

The Company also assesses the credit risk associated with off-balance sheet loan commitments, letters of credit, and derivatives. Credit risk associated with derivatives is reflected in the fair values recorded for those positions. The liability for off-balance sheet credit exposure related to loan commitments and other credit guarantees is included in other liabilities. Because business processes and credit risks associated with unfunded credit commitments are essentially the same as for loans, the Company utilizes similar processes to estimate its liability for unfunded credit commitments.

Activity in the allowance for credit losses by portfolio class was as follows:

 

(Dollars in Millions)   Commercial     Commercial
Real Estate
    Residential
Mortgages
    Credit
Card
    Other
Retail
    Covered
Loans
    Total
Loans
 

Balance at December 31, 2018

  $ 1,454     $ 800     $ 455     $ 1,102     $ 630     $     $ 4,441  

Add

             

Provision for credit losses

    64       12       (7     238       70             377  

Deduct

             

Loans charged-off

    111       1       8       257       96             473  

Less recoveries of loans charged-off

    (38     (1     (5     (32     (30           (106

Net loans charged-off

    73             3       225       66             367  

Balance at March 31, 2019

  $ 1,445     $ 812     $ 445     $ 1,115     $ 634     $     $ 4,451  

Balance at December 31, 2017

  $ 1,372     $ 831     $ 449     $ 1,056     $ 678     $ 31     $ 4,417  

Add

             

Provision for credit losses

    74       (8     1       219       60       (5     341  

Deduct

             

Loans charged-off

    94       3       13       248       95             453  

Less recoveries of loans charged-off

    (34     (6     (6     (37     (29           (112

Net loans charged-off

    60       (3     7       211       66             341  

Balance at March 31, 2018

  $ 1,386     $ 826     $ 443     $ 1,064     $ 672     $ 26     $ 4,417  

 

Additional detail of the allowance for credit losses by portfolio class was as follows:

 

(Dollars in Millions)   Commercial      Commercial
Real Estate
     Residential
Mortgages
     Credit
Card
     Other
Retail
     Total
Loans
 

Allowance Balance at March 31, 2019 Related to

                

Loans individually evaluated for impairment (a)

  $ 31      $ 2      $      $      $      $ 33  

TDRs collectively evaluated for impairment

    18        4        117        74        12        225  

Other loans collectively evaluated for impairment

    1,396        806        313        1,041        622        4,178  

Loans acquired with deteriorated credit quality

                  15                      15  

Total allowance for credit losses

  $ 1,445      $ 812      $ 445      $ 1,115      $ 634      $ 4,451  

Allowance Balance at December 31, 2018 Related to

                

Loans individually evaluated for impairment (a)

  $ 16      $ 8      $      $      $      $ 24  

TDRs collectively evaluated for impairment

    15        3        126        69        12        225  

Other loans collectively evaluated for impairment

    1,423        788        314        1,033        618        4,176  

Loans acquired with deteriorated credit quality

           1        15                      16  

Total allowance for credit losses

  $ 1,454      $ 800      $ 455      $ 1,102      $ 630      $ 4,441  

 

(a)

Represents the allowance for credit losses related to loans greater than $5 million classified as nonperforming or TDRs.

Additional detail of loan balances by portfolio class was as follows:

 

(Dollars in Millions)   Commercial      Commercial
Real Estate
     Residential
Mortgages
     Credit
Card
     Other
Retail
     Total
Loans
 

March 31, 2019

                

Loans individually evaluated for impairment (a)

  $ 284      $ 76      $      $      $      $ 360  

TDRs collectively evaluated for impairment

    160        143        3,158        254        190        3,905  

Other loans collectively evaluated for impairment

    102,625        39,171        62,785        22,014        56,508        283,103  

Loans acquired with deteriorated credit quality

           31        300                      331  

Total loans

  $ 103,069      $ 39,421      $ 66,243      $ 22,268      $ 56,698      $ 287,699  

December 31, 2018

                

Loans individually evaluated for impairment (a)

  $ 262      $ 86      $      $      $      $ 348  

TDRs collectively evaluated for impairment

    151        129        3,252        245        183        3,960  

Other loans collectively evaluated for impairment

    102,031        39,297        61,465        23,118        56,247        282,158  

Loans acquired with deteriorated credit quality

           27        317                      344  

Total loans

  $ 102,444      $ 39,539      $ 65,034      $ 23,363      $ 56,430      $ 286,810  

 

(a)

Represents loans greater than $5 million classified as nonperforming or TDRs.

Credit Quality The credit quality of the Company’s loan portfolios is assessed as a function of net credit losses, levels of nonperforming assets and delinquencies, and credit quality ratings as defined by the Company.

For all loan classes, loans are considered past due based on the number of days delinquent except for monthly amortizing loans which are classified delinquent based upon the number of contractually required payments not made (for example, two missed payments is considered 30 days delinquent). When a loan is placed on nonaccrual status, unpaid accrued interest is reversed, reducing interest income in the current period.

Commercial lending segment loans are generally placed on nonaccrual status when the collection of principal and interest has become 90 days past due or is otherwise considered doubtful. Commercial lending segment loans are generally fully or partially charged down to the fair value of the collateral securing the loan, less costs to sell, when the loan is placed on nonaccrual.

Consumer lending segment loans are generally charged-off at a specific number of days or payments past due. Residential mortgages and other retail loans secured by 1-4 family properties are generally charged down to the fair value of the collateral securing the loan, less costs to sell, at 180 days past due. Residential mortgage loans and lines in a first lien position are placed on nonaccrual status in instances where a partial charge-off occurs unless the loan is well secured and in the process of collection. Residential mortgage loans and lines in a junior lien position secured by 1-4 family properties are placed on nonaccrual status at 120 days past due or when they are behind a first lien that has become 180 days or greater past due or placed on nonaccrual status. Any secured consumer lending segment loan whose borrower has had debt discharged through bankruptcy, for which the loan amount exceeds the fair value of the collateral, is charged down to the fair value of the related collateral and the remaining balance is placed on nonaccrual status. Credit card loans continue to accrue interest until the account is charged-off. Credit cards are charged-off at 180 days past due. Other retail loans not secured by 1-4family properties are charged-off at 120 days past due; and revolving consumer lines are charged-off at 180 days past due. Similar to credit cards, other retail loans are generally not placed on nonaccrual status because of the relative short period of time to charge-off. Certain retail customers having financial difficulties may have the terms of their credit card and other loan agreements modified to require only principal payments and, as such, are reported as nonaccrual.

For all loan classes, interest payments received on nonaccrual loans are generally recorded as a reduction to a loan’s carrying amount while a loan is on nonaccrual and are recognized as interest income upon payoff of the loan. However, interest income may be recognized for interest payments if the remaining carrying amount of the loan is believed to be collectible. In certain circumstances, loans in any class may be restored to accrual status, such as when a loan has demonstrated sustained repayment performance or no amounts are past due and prospects for future payment are no longer in doubt; or when the loan becomes well secured and is in the process of collection. Loans where there has been a partial charge-off may be returned to accrual status if all principal and interest (including amounts previously charged-off) is expected to be collected and the loan is current. Generally, purchased impaired loans are considered accruing loans. However, the timing and amount of future cash flows for some loans is not reasonably estimable, and those loans are classified as nonaccrual loans with interest income not recognized until the timing and amount of the future cash flows can be reasonably estimated.

The following table provides a summary of loans by portfolio class, including the delinquency status of those that continue to accrue interest, and those that are nonperforming:

 

    Accruing                
(Dollars in Millions)   Current      30-89 Days
Past Due
     90 Days or
More Past Due
     Nonperforming      Total  

March 31, 2019

             

Commercial

  $ 102,125      $ 596      $ 77      $ 271      $ 103,069  

Commercial real estate

    39,248        43        3        127        39,421  

Residential mortgages (a)

    65,666        168        122        287        66,243  

Credit card

    21,690        290        288               22,268  

Other retail

    56,045        375        105        173        56,698  

Total loans

  $ 284,774      $ 1,472      $ 595      $ 858      $ 287,699  

December 31, 2018

             

Commercial

  $ 101,844      $ 322      $ 69      $ 209      $ 102,444  

Commercial real estate

    39,354        70               115        39,539  

Residential mortgages (a)

    64,443        181        114        296        65,034  

Credit card

    22,746        324        293               23,363  

Other retail

    55,722        403        108        197        56,430  

Total loans

  $ 284,109      $ 1,300      $ 584      $ 817      $ 286,810  

 

(a)

At March 31, 2019, $418 million of loans 30–89 days past due and $1.7 billion of loans 90 days or more past due purchased from Government National Mortgage Association (“GNMA”) mortgage pools whose repayments are insured by the Federal Housing Administration or guaranteed by the United States Department of Veterans Affairs, were classified as current, compared with $430 million and $1.7 billion at December 31, 2018, respectively.

At March 31, 2019, the amount of foreclosed residential real estate held by the Company, and included in other real estate owned (“OREO”), was $88 million, compared with $106 million at December 31, 2018. These amounts exclude $231 million and $235 million at March 31, 2019 and December 31, 2018, respectively, of foreclosed residential real estate related to mortgage loans whose payments are primarily insured by the Federal Housing Administration or guaranteed by the United States Department of Veterans Affairs. In addition, the amount of residential mortgage loans secured by residential real estate in the process of foreclosure at March 31, 2019 and December 31, 2018, was $1.6 billion and $1.5 billion, respectively, of which $1.3 billion and $1.2 billion, respectively, related to loans purchased from Government National Mortgage Association (“GNMA”) mortgage pools whose repayments are insured by the Federal Housing Administration or guaranteed by the United States Department of Veterans Affairs.

The Company classifies its loan portfolios using internal credit quality ratings on a quarterly basis. These ratings include pass, special mention and classified, and are an important part of the Company’s overall credit risk management process and evaluation of the allowance for credit losses. Loans with a pass rating represent those loans not classified on the Company’s rating scale for problem credits, as minimal credit risk has been identified. Special mention loans are those loans that have a potential weakness deserving management’s close attention. Classified loans are those loans where a well-defined weakness has been identified that may put full collection of contractual cash flows at risk. It is possible that others, given the same information, may reach different reasonable conclusions regarding the credit quality rating classification of specific loans.

 

The following table provides a summary of loans by portfolio class and the Company’s internal credit quality rating:

 

           Criticized         
(Dollars in Millions)   Pass      Special
Mention
     Classified (a)      Total
Criticized
     Total  

March 31, 2019

             

Commercial

  $ 100,888      $ 969      $ 1,212      $ 2,181      $ 103,069  

Commercial real estate

    38,368        532        521        1,053        39,421  

Residential mortgages (b)

    65,779               464        464        66,243  

Credit card

    21,980               288        288        22,268  

Other retail

    56,385        6        307        313        56,698  

Total loans

  $ 283,400      $ 1,507      $ 2,792      $ 4,299      $ 287,699  

Total outstanding commitments

  $ 607,486      $ 2,191      $ 3,405      $ 5,596      $ 613,082  

December 31, 2018

             

Commercial

  $ 100,014      $ 1,149      $ 1,281      $ 2,430      $ 102,444  

Commercial real estate

    38,473        584        482        1,066        39,539  

Residential mortgages (b)

    64,570        1        463        464        65,034  

Credit card

    23,070               293        293        23,363  

Other retail

    56,101        6        323        329        56,430  

Total loans

  $ 282,228      $ 1,740      $ 2,842      $ 4,582      $ 286,810  

Total outstanding commitments

  $ 600,407      $ 2,801      $ 3,448      $ 6,249      $ 606,656  

 

(a)

Classified rating on consumer loans primarily based on delinquency status.

(b)

At March 31, 2019, $1.7 billion of GNMA loans 90 days or more past due and $1.6 billion of restructured GNMA loans whose repayments are insured by the Federal Housing Administration or guaranteed by the United States Department of Veterans Affairs were classified with a pass rating, compared with $1.7 billion and $1.6 billion at December 31, 2018, respectively.

For all loan classes, a loan is considered to be impaired when, based on current events or information, it is probable the Company will be unable to collect all amounts due per the contractual terms of the loan agreement. Impaired loans include all nonaccrual and TDR loans. For all loan classes, interest income on TDR loans is recognized under the modified terms and conditions if the borrower has demonstrated repayment performance at a level commensurate with the modified terms over several payment cycles. Interest income is generally not recognized on other impaired loans until the loan is paid off. However, interest income may be recognized for interest payments if the remaining carrying amount of the loan is believed to be collectible.

Factors used by the Company in determining whether all principal and interest payments due on commercial and commercial real estate loans will be collected and, therefore, whether those loans are impaired include, but are not limited to, the financial condition of the borrower, collateral and/or guarantees on the loan, and the borrower’s estimated future ability to pay based on industry, geographic location and certain financial ratios. The evaluation of impairment on residential mortgages, credit card loans and other retail loans is primarily driven by delinquency status of individual loans or whether a loan has been modified, and considers any government guarantee where applicable.

A summary of impaired loans, which include all nonaccrual and TDR loans, by portfolio class was as follows:

 

(Dollars in Millions)   Period-end
Recorded
Investment (a)
     Unpaid
Principal
Balance
     Valuation
Allowance
     Commitments
to Lend
Additional
Funds
 

March 31, 2019

          

Commercial

  $ 502      $ 1,096      $ 50      $ 136  

Commercial real estate

    266        619        7         

Residential mortgages

    1,684        1,843        82         

Credit card

    254        254        74         

Other retail

    325        400        15        3  

Total loans, excluding loans purchased from GNMA mortgage pools

    3,031        4,212        228        139  

Loans purchased from GNMA mortgage pools

    1,578        1,578        36         

Total

  $ 4,609      $ 5,790      $ 264      $ 139  

December 31, 2018

          

Commercial

  $ 467      $ 1,006      $ 32      $ 106  

Commercial real estate

    279        511        12        2  

Residential mortgages

    1,709        1,879        86         

Credit card

    245        245        69         

Other retail

    335        418        14        5  

Total loans, excluding loans purchased from GNMA mortgage pools

    3,035        4,059        213        113  

Loans purchased from GNMA mortgage pools

    1,639        1,639        41         

Total

  $ 4,674      $ 5,698      $ 254      $ 113  

 

(a)

Substantially all loans classified as impaired at March 31, 2019 and December 31, 2018, had an associated allowance for credit losses.

 

Additional information on impaired loans follows:

 

    2019              2018  

Three Months Ended March 31

(Dollars in Millions)

  Average
Recorded
Investment
     Interest
Income
Recognized
             Average
Recorded
Investment
     Interest
Income
Recognized
 

Commercial

  $ 485      $ 1           $ 545      $ 1  

Commercial real estate

    273        2             267        2  

Residential mortgages

    1,697        24             1,914        20  

Credit card

    249                    232        1  

Other retail

    330        3             300        4  

Covered Loans

                           38         

Total loans, excluding loans purchased from GNMA mortgage pools

    3,034        30             3,296        28  

Loans purchased from GNMA mortgage pools

    1,609        17                 1,624        12  

Total

  $ 4,643      $ 47               $ 4,920      $ 40  

Troubled Debt Restructurings In certain circumstances, the Company may modify the terms of a loan to maximize the collection of amounts due when a borrower is experiencing financial difficulties or is expected to experience difficulties in the near-term. Concessionary modifications are classified as TDRs unless the modification results in only an insignificant delay in payments to be received. The Company recognizes interest on TDRs if the borrower complies with the revised terms and conditions as agreed upon with the Company and has demonstrated repayment performance at a level commensurate with the modified terms over several payment cycles, which is generally six months or greater. To the extent a previous restructuring was insignificant, the Company considers the cumulative effect of past restructurings related to the receivable when determining whether a current restructuring is a TDR. Loans classified as TDRs are considered impaired loans for reporting and measurement purposes.

The following table provides a summary of loans modified as TDRs during the periods presented by portfolio class:

 

    2019              2018  

Three Months Ended March 31

(Dollars in Millions)

  Number
of Loans
     Pre-Modification
Outstanding
Loan Balance
     Post-Modification
Outstanding
Loan Balance
             Number
of Loans
     Pre-Modification
Outstanding
Loan Balance
     Post-Modification
Outstanding
Loan Balance
 

Commercial

    913      $ 36      $ 29             623      $ 81      $ 75  

Commercial real estate

    20        47        46             29        16        16  

Residential mortgages

    96        14        13             148        17        16  

Credit card

    9,648        50        51             8,546        43        43  

Other retail

    573        11        10                 559        11        10  

Total loans, excluding loans purchased from GNMA mortgage pools

    11,250        158        149             9,905        168        160  

Loans purchased from GNMA mortgage pools

    1,538        203        195                 888        117        113  

Total loans

    12,788      $ 361      $ 344                 10,793      $ 285      $ 273  

Residential mortgages, home equity and second mortgages, and loans purchased from GNMA mortgage pools in the table above include trial period arrangements offered to customers during the periods presented. The post-modification balances for these loans reflect the current outstanding balance until a permanent modification is made. In addition, the post-modification balances typically include capitalization of unpaid accrued interest and/or fees under the various modification programs. For those loans modified as TDRs during the first quarter of 2019, at March 31, 2019, 11 residential mortgages, 20 home equity and second mortgage loans and 1,125 loans purchased from GNMA mortgage pools with outstanding balances of $2 million, $2 million and $146 million, respectively, were in a trial period and have estimated post-modification balances of $2 million, $2 million and $143 million, respectively, assuming permanent modification occurs at the end of the trial period.

The Company has implemented certain restructuring programs that may result in TDRs. However, many of the Company’s TDRs are also determined on a case-by-case basis in connection with ongoing loan collection processes.

For the commercial lending segment, modifications generally result in the Company working with borrowers on a case-by-case basis. Commercial and commercial real estate modifications generally include extensions of the maturity date and may be accompanied by an increase or decrease to the interest rate, which may not be deemed a market interest rate. In addition, the Company may work with the borrower in identifying other changes that mitigate loss to the Company, which may include additional collateral or guarantees to support the loan. To a lesser extent, the Company may waive contractual principal. The Company classifies all of the above concessions as TDRs to the extent the Company determines that the borrower is experiencing financial difficulty.

Modifications for the consumer lending segment are generally part of programs the Company has initiated. The Company modifies residential mortgage loans under Federal Housing Administration, United States Department of Veterans Affairs, or its own internal programs. Under these programs, the Company offers qualifying homeowners the opportunity to permanently modify their loan and achieve more affordable monthly payments by providing loan concessions. These concessions may include adjustments to interest rates, conversion of adjustable rates to fixed rates, extension of maturity dates or deferrals of payments, capitalization of accrued interest and/or outstanding advances, or in limited situations, partial forgiveness of loan principal. In most instances, participation in residential mortgage loan restructuring programs requires the customer to complete a short-term trial period. A permanent loan modification is contingent on the customer successfully completing the trial period arrangement, and the loan documents are not modified until that time. The Company reports loans in a trial period arrangement as TDRs and continues to report them as TDRs after the trial period.

Credit card and other retail loan TDRs are generally part of distinct restructuring programs providing customers experiencing financial difficulty with modifications whereby balances may be amortized up to 60 months, and generally include waiver of fees and reduced interest rates.

In addition, the Company considers secured loans to consumer borrowers that have debt discharged through bankruptcy where the borrower has not reaffirmed the debt to be TDRs.

Acquired loans restructured after acquisition are not considered TDRs for accounting and disclosure purposes if the loans evidenced credit deterioration as of the acquisition date and are accounted for in pools.

The following table provides a summary of TDR loans that defaulted (fully or partially charged-off or became 90 days or more past due) during the periods presented that were modified as TDRs within 12 months previous to default:

 

    2019              2018  

Three Months Ended March 31

(Dollars in Millions)

  Number
of Loans
     Amount
Defaulted
             Number
of Loans
     Amount
Defaulted
 

Commercial

    234      $ 5             239      $ 9  

Commercial real estate

    8        6             8        4  

Residential mortgages

    96        10             56        4  

Credit card

    2,054        9             2,036        9  

Other retail

    147        7             77        1  

Covered loans

                           1         

Total loans, excluding loans purchased from GNMA mortgage pools

    2,539        37             2,417        27  

Loans purchased from GNMA mortgage pools

    124        17                 232        31  

Total loans

    2,663      $ 54                 2,649      $ 58  

In addition to the defaults in the table above, the Company had a total of 259 residential mortgage loans, home equity and second mortgage loans and loans purchased from GNMA mortgage pools for the three months ended March 31, 2019, where borrowers did not successfully complete the trial period arrangement and, therefore, are no longer eligible for a permanent modification under the applicable modification program. These loans had aggregate outstanding balances of $33 million for the three months ended March 31, 2019.