The following table presents total loans outstanding by portfolio segment and class of financing receivable. Outstanding balances include a total net reduction of $6.7 billion and $7.4 billion at June 30, 2013 and December 31, 2012, respectively, for unearned income, net deferred loan fees, and unamortized discounts and premiums. Outstanding balances also include PCI loans net of any remaining purchase accounting adjustments. Information about PCI loans is presented separately in the “Purchased Credit-Impaired Loans” section of this Note.

• Substantially all of our foreign loan portfolio is commercial loans. Loans are classified as foreign if the borrower's primary address is outside of the United States.

Loan Purchases, Sales, and Transfers

The following table summarizes the proceeds paid or received for purchases and sales of loans and transfers from loans held for investment to mortgages/loans held for sale at lower of cost or market. This loan activity primarily includes loans purchased or sales of whole loan or participating interests, whereby we receive or transfer a portion of a loan after origination. The table excludes PCI loans and loans recorded at fair value, including loans originated for sale because their loan activity normally does not impact the allowance for credit losses.

• The “Purchases” and “Transfers to MHFS/LHFS" categories exclude activity in government insured/guaranteed loans. As servicer, we are able to buy delinquent insured/guaranteed loans out of the Government National Mortgage Association (GNMA) pools. These loans have different risk characteristics from the rest of our consumer portfolio, whereby this activity does not impact the allowance for loan losses in the same manner because the loans are predominantly insured by the Federal Housing Administration (FHA) or guaranteed by the Department of Veterans Affairs (VA). On a net basis, such purchases net of transfers to MHFS were $805 million and $2.0 billion for the second quarter 2013 and 2012, respectively, and $2.8 billion and $5.5 billion for the first half of 2013 and 2012, respectively.

Commitments to Lend

A commitment to lend is a legally binding agreement to lend funds to a customer, usually at a stated interest rate, if funded, and for specific purposes and time periods. We generally require a fee to extend such commitments. Certain commitments are subject to loan agreements with covenants regarding the financial performance of the customer or borrowing base formulas on an ongoing basis that must be met before we are required to fund the commitment. We may reduce or cancel consumer commitments, including home equity lines and credit card lines, in accordance with the contracts and applicable law.

When we make commitments, we are exposed to credit risk. The maximum credit risk for these commitments will generally be lower than the contractual amount because a significant portion of these commitments are expected to expire without being used by the customer. In addition, we manage the potential risk in commitments to lend by limiting the total amount of commitments, both by individual customer and in total, by monitoring the size and maturity structure of these commitments and by applying the same credit standards for these commitments as for all of our credit activities. In some cases, we participate a portion of our interest in a commitment to other financial institutions in an arrangement that reduces our credit risk to the borrower. We also originate multipurpose lending commitments under which borrowers have the option to draw on the facility for different purposes in one of several forms, including a standby letter of credit. See Note 10 for information on standby letters of credit.

For certain loans and commitments to lend, we may require collateral or a guarantee, based on our assessment of a customer's credit risk. We may require various types of collateral, including commercial and consumer real estate, autos, other short-term liquid assets such as accounts receivable or inventory and long-lived asset, such as equipment and other business assets. Collateral requirements for each loan or commitment may vary according to the specific credit underwriting, including terms and structure of loans funded immediately or under a commitment to fund at a later date.

The contractual amount of our unfunded credit commitments, net of participations and net of all standby and commercial letters of credit issued under the terms of these commitments, is summarized by portfolio segment and class of financing receivable in the following table:

Allowance for Credit Losses

The allowance for credit losses consists of the allowance for loan losses and the allowance for unfunded credit commitments. Changes in the allowance for credit losses were:

• Certain impaired loans with an allowance calculated by discounting expected cash flows using the loan's effective interest rate over the remaining life of the loan recognize reductions in the allowance as interest income.
• For PCI loans, charge-offs are only recorded to the extent that losses exceed the purchase accounting estimates.
• The allowance for credit losses includes $71 million and $212 million at June 30, 2013 and 2012, respectively, related to PCI loans acquired from Wachovia. Loans acquired from Wachovia are included in total loans net of related purchase accounting net write-downs.

The following table summarizes the activity in the allowance for credit losses by our commercial and consumer portfolio segments.

The following table disaggregates our allowance for credit losses and recorded investment in loans by impairment methodology.

• Represents loans collectively evaluated for impairment in accordance with Accounting Standards Codification (ASC) 450-20, Loss Contingencies (formerly FAS 5), and pursuant to amendments by ASU 2010-20 regarding allowance for non-impaired loans.
• Represents loans individually evaluated for impairment in accordance with ASC 310-10, Receivables (formerly FAS 114), and pursuant to amendments by ASU 2010-20 regarding allowance for impaired loans.
• Represents the allowance and related loan carrying value determined in accordance with ASC 310-30, Receivables – Loans and Debt Securities Acquired with Deteriorated Credit Quality (formerly SOP 03-3) and pursuant to amendments by ASU 2010-20 regarding allowance for PCI loans.

Credit Quality

We monitor credit quality by evaluating various attributes and utilize such information in our evaluation of the appropriateness of the allowance for credit losses. The following sections provide the credit quality indicators we most closely monitor. The credit quality indicators are generally based on information as of our financial statement date, with the exception of updated Fair Isaac Corporation (FICO) scores and updated loan-to-value (LTV)/combined LTV (CLTV), which are obtained at least quarterly. Generally, these indicators are updated in the second month of each quarter, with updates no older than March 31, 2013. See the “Purchased Credit-Impaired Loans” section of this Note for credit quality information on our PCI portfolio.

Commercial Credit Quality Indicators In addition to monitoring commercial loan concentration risk, we manage a consistent process for assessing commercial loan credit quality. Generally, commercial loans are subject to individual risk assessment using our internal borrower and collateral quality ratings. Our ratings are aligned to Pass and Criticized categories. The Criticized category includes Special Mention, Substandard, and Doubtful categories which are defined by bank regulatory agencies.

       The following table provides a breakdown of outstanding commercial loans by risk category. Of the $16.4 billion in criticized commercial real estate (CRE) loans, $3.4 billion has been placed on nonaccrual status and written down to net realizable collateral value. CRE loans have a high level of monitoring in place to manage these assets and mitigate loss exposure.

       The following table provides past due information for commercial loans, which we monitor as part of our credit risk management practices.

Consumer Credit Quality Indicators We have various classes of consumer loans that present unique risks. Loan delinquency, FICO credit scores and LTV for loan types are common credit quality indicators that we monitor and utilize in our evaluation of the appropriateness of the allowance for credit losses for the consumer portfolio segment.

Many of our loss estimation techniques used for the allowance for credit losses rely on delinquency-based models; therefore, delinquency is an important indicator of credit quality and the establishment of our allowance for credit losses. The following table provides the outstanding balances of our consumer portfolio by delinquency status.

• Represents loans whose repayments are predominantly insured by the FHA or guaranteed by the VA and student loans whose repayments are predominantly guaranteed by agencies on behalf of the U.S. Department of Education under the Federal Family Education Loan Program (FFELP). Loans insured/guaranteed by the FHA/VA and 90+ DPD totaled $19.5 billion at June 30, 2013, compared with $20.2 at December 31, 2012. Student loans 90+ DPD totaled $931 million at June 30, 2013, compared with $1.1 billion at December 31, 2012.

       Of the $8.7 billion of consumer loans not government insured/guaranteed that are 90 days or more past due at June 30, 2013, $938 million was accruing, compared with $10.3 billion past due and $1.1 billion accruing at December 31, 2012.

       Real estate 1-4 family first mortgage loans 180 days or more past due totaled $5.8 billion, or 2.5% of total first mortgages (excluding PCI), at June 30, 2013, compared with $6.7 billion, or 3.0%, at December 31, 2012.

       The following table provides a breakdown of our consumer portfolio by updated FICO. We obtain FICO scores at loan origination and the scores are updated at least quarterly. The majority of our portfolio is underwritten with a FICO score of 680 and above. FICO is not available for certain loan types and may not be obtained if we deem it unnecessary due to strong collateral and other borrower attributes, primarily securities-based margin loans of $4.9 billion at June 30, 2013, and $5.4 billion at December 31, 2012.

• Represents loans whose repayments are predominantly insured by the FHA or guaranteed by the VA and student loans whose repayments are predominantly guaranteed by agencies on behalf of the U.S. Department of Education under FFELP.

       LTV refers to the ratio comparing the loan's unpaid principal balance to the property's collateral value. CLTV refers to the combination of first mortgage and junior lien mortgage (including unused line amounts for credit line products) ratios. LTVs and CLTVs are updated quarterly using a cascade approach which first uses values provided by automated valuation models (AVMs) for the property. If an AVM is not available, then the value is estimated using the original appraised value adjusted by the change in Home Price Index (HPI) for the property location. If an HPI is not available, the original appraised value is used. The HPI value is normally the only method considered for high value properties, generally with an original value of $1 million or more, as the AVM values have proven less accurate for these properties.

       The following table shows the most updated LTV and CLTV distribution of the real estate 1-4 family first and junior lien mortgage loan portfolios. We consider the trends in residential real estate markets as we monitor credit risk and establish our allowance for credit losses. LTV does not necessarily reflect the likelihood of performance of a given loan, but does provide an indication of collateral value. In the event of a default, any loss should be limited to the portion of the loan amount in excess of the net realizable value of the underlying real estate collateral value. Certain loans do not have an LTV or CLTV primarily due to industry data availability and portfolios acquired from or serviced by other institutions.

• Reflects total loan balances with LTV/CLTV amounts in excess of 100%. In the event of default, the loss content would generally be limited to only the amount in excess of 100% LTV/CLTV.
• Represents loans whose repayments are predominantly insured by the FHA or guaranteed by the VA.

Nonaccrual Loans The following table provides loans on nonaccrual status. PCI loans are excluded from this table due to the existence of the accretable yield.

• Includes LHFS of $15 million and $16 million at June 30, 2013 and December 31, 2012, respectively.
• Includes MHFS of $293 million and $336 million at June 30, 2013 and December 31,2012, respectively.

LOANS 90 Days OR MORE Past Due and Still Accruing Certain loans 90 days or more past due as to interest or principal are still accruing, because they are (1) well-secured and in the process of collection or (2) real estate 1-4 family mortgage loans or consumer loans exempt under regulatory rules from being classified as nonaccrual until later delinquency, usually 120 days past due. PCI loans of $5.4 billion at June 30, 2013, and $6.0 billion at December 31, 2012, are not included in these past due and still accruing loans even though they are 90 days or more contractually past due. These PCI loans are considered to be accruing because they continue to earn interest from accretable yield, independent of performance in accordance with their contractual terms. Loans 90 days or more past due and still accruing whose repayments are predominantly insured by the FHA or guaranteed by the VA for mortgages and the U.S. Department of Education for student loans under the FFELP were $21.0 billion at June 30, 2013, down from $21.8 billion at December 31, 2012.

       The following table shows non-PCI loans 90 days or more past due and still accruing by class for loans not government insured/guaranteed

• Represents loans whose repayments are predominantly insured by the FHA or guaranteed by the VA.
• Includes mortgage loans held for sale 90 days or more past due and still accruing.
• Represents loans whose repayments are predominantly guaranteed by agencies on behalf of the U.S. Department of Education under the FFELP.

Impaired Loans The table below summarizes key information for impaired loans. Our impaired loans predominantly include loans on nonaccrual status in the commercial portfolio segment and loans modified in a TDR, whether on accrual or nonaccrual status. These impaired loans generally have estimated losses which are included in the allowance for credit losses. Impaired loans exclude PCI loans. The table below includes trial modifications that totaled $716 million at June 30, 2013, and $705 million at December 31, 2012.

• Excludes the unpaid principal balance for loans with zero recorded investment.

       Commitments to lend additional funds on loans whose terms have been modified in a TDR amounted to $471 million at June 30, 2013, and $421 million at December 31, 2012.

       The following tables provide the average recorded investment in impaired loans and the amount of interest income recognized on impaired loans by portfolio segment and class.

• Quarter and six months ended June 30, 2013, reflect the OCC guidance issued in third quarter 2012, which requires consumer loans discharged in bankruptcy to be classified as TDRs, as well as written down to net realizable collateral value.
• Includes interest recognized on accruing TDRs, interest recognized related to certain impaired loans which have an allowance calculated using discounting, and amortization of purchase accounting adjustments related to certain impaired loans. See footnote 1 to the table of changes in the allowance for credit losses.

TROUBLED DEBT RESTRUCTURINGs (TDRs) When, for economic or legal reasons related to a borrower's financial difficulties, we grant a concession for other than an insignificant period of time to a borrower that we would not otherwise consider, the related loan is classified as a TDR. We do not consider any loans modified through a loan resolution such as foreclosure or short sale to be a TDR.

       We may require some borrowers experiencing financial difficulty to make trial payments generally for a period of three to four months, according to the terms of a planned permanent modification, to determine if they can perform according to those terms. These arrangements represent trial modifications, which we classify and account for as TDRs. While loans are in trial payment programs, their original terms are not considered modified and they continue to advance through delinquency status and accrue interest according to their original terms. The planned modifications for these arrangements predominantly involve interest rate reductions or other interest rate concessions; however, the exact concession type and resulting financial effect are usually not finalized and do not take effect until the loan is permanently modified. The trial period terms are developed in accordance with our proprietary programs or the U.S. Treasury's Making Homes Affordable programs for real estate 1-4 family first lien (i.e. Home Affordable Modification Program – HAMP) and junior lien (i.e. Second Lien Modification Program – 2MP) mortgage loans.

       At June 30, 2013, the loans in trial modification period were $352 million under HAMP, $53 million under 2MP and $311 million under proprietary programs, compared with $402 million, $45 million and $258 million at December 31, 2012, respectively. Trial modifications with a recorded investment of $295 million at June 30, 2013, and $276 million at December 31, 2012, were accruing loans and $421 million and $429 million, respectively, were nonaccruing loans. Our recent experience is that most of the mortgages that enter a trial payment period program are successful in completing the program requirements and are then permanently modified at the end of the trial period. As previously discussed, our allowance process considers the impact of those modifications that are probable to occur.

       The following table summarizes our TDR modifications for the periods presented by primary modification type and includes the financial effects of these modifications. For those loans that modify more than once, the table reflects each modification that occurred during the period.