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LOANS (Tables)
9 Months Ended
Sep. 30, 2020
Consumer  
Financing Receivable, Credit Quality Indicator [Line Items]  
Schedule of loan delinquency and non-accrual details
Consumer Loans, Delinquencies and Non-Accrual Status at September 30, 2020
In millions of dollars
Total
current(1)(2)
30–89 days
past
 due(3)(4)
≥ 90 days
past
 due(3)(4)
Past due
government
guaranteed(5)
Total loansNon-accrual loans for which there are no loan loss reservesNon-accrual loans for which there are loan loss reservesTotal
non-accrual
90 days 
past due
and accruing
In North America offices(6)
        
Residential first mortgages(7)
$47,152 $458 $285 $475 $48,370 $84 $466 $550 $300 
Home equity loans(8)(9)
7,347 88 190  7,625 2 359 361  
Credit cards123,120 1,234 1,131  125,485    1,131 
Personal, small business and other4,645 30 14  4,689 2 21 23  
Total$182,264 $1,810 $1,620 $475 $186,169 $88 $846 $934 $1,431 
In offices outside North America(6)
      
Residential first mortgages(7)
$38,154 $184 $169 $ $38,507 $ $438 $438 $ 
Credit cards20,382 378 348  21,108  196 196 307 
Personal, small business and other33,900 224 117  34,241  122 122  
Total$92,436 $786 $634 $ $93,856 $ $756 $756 $307 
Total Citigroup(10)
$274,700 $2,596 $2,254 $475 $280,025 $88 $1,602 $1,690 $1,738 
(1)Loans less than 30 days past due are presented as current.
(2)Includes $14 million of residential first mortgages recorded at fair value.
(3)Excludes loans guaranteed by U.S. government-sponsored agencies.
(4)Loans modified under Citi’s consumer relief programs continue to be reported in the same delinquency bucket they were in at the time of modification, and thus almost all would not be reported as 30-89 or 90+ days past due for the duration of the programs (which have various durations, and certain of which may be renewed by the customer).
(5)Consists of residential first mortgages that are guaranteed by U.S. government-sponsored agencies that are 30–89 days past due of $0.2 billion and 90 days or more past due of $0.3 billion.
(6)North America includes the U.S., Canada and Puerto Rico. Mexico is included in offices outside North America.
(7)Includes approximately $0.1 billion of residential first mortgage loans in process of foreclosure.
(8)Includes approximately $0.1 billion of home equity loans in process of foreclosure.
(9)Fixed-rate home equity loans and loans extended under home equity lines of credit, which are typically in junior lien positions.
(10)Consumer loans are net of unearned income of $739 million. Unearned income on consumer loans primarily represents unamortized origination fees and costs, premiums and discounts.
Interest Income Recognized for Non-Accrual Consumer Loans
Interest income
In millions of dollarsThree Months Ended September 30, 2020Nine Months Ended September 30, 2020
In North America offices(1)
Residential first mortgages$4 $11 
Home equity loans2 6 
Credit cards  
Personal, small business and other  
Total$6 $17 
In offices outside North America(1)
Residential first mortgages$ $ 
Credit cards  
Personal, small business and other  
Total$ $ 
Total Citigroup$6 $17 

(1)North America includes the U.S., Canada and Puerto Rico. Mexico is included in offices outside North America.

Consumer Loan, Delinquencies and Non-Accrual Status at December 31, 2019
In millions of dollars
Total
current(1)(2)
30–89 days
past due(3)
≥ 90 days
past due(3)
Past due
government
guaranteed(4)
Total
loans(2)
Total
non-accrual
90 days 
past due
and accruing
In North America offices(5)
       
Residential first mortgages(6)
$45,942 $411 $221 $434 $47,008 $479 $288 
Home equity loans(7)(8)
8,860 174 189 — 9,223 405 — 
Credit cards145,477 1,759 1,927 — 149,163 — 1,927 
Personal, small business and other3,641 44 14 — 3,699 21 — 
Total$203,920 $2,388 $2,351 $434 $209,093 $905 $2,215 
In offices outside North America(5)
       
Residential first mortgages(6)
$37,654 $210 $160 $— $38,024 $425 $— 
Credit cards25,111 426 372 — 25,909 310 242 
Personal, small business and other36,118 272 132 — 36,522 176 — 
Total$98,883 $908 $664 $— $100,455 $911 $242 
Total Citigroup(9)
$302,803 $3,296 $3,015 $434 $309,548 $1,816 $2,457 
(1)Loans less than 30 days past due are presented as current.
(2)Includes $18 million of residential first mortgages recorded at fair value.
(3)Excludes loans guaranteed by U.S. government-sponsored agencies.
(4)Consists of residential first mortgages that are guaranteed by U.S. government-sponsored agencies that are 30–89 days past due of $0.1 billion and 90 days or more past due of $0.3 billion.
(5)North America includes the U.S., Canada and Puerto Rico. Mexico is included in offices outside North America.
(6)Includes approximately $0.1 billion of residential first mortgage loans in process of foreclosure.
(7)Includes approximately $0.1 billion of home equity loans in process of foreclosure.
(8)Fixed-rate home equity loans and loans extended under home equity lines of credit, which are typically in junior lien positions.
(9)Consumer loans are net of unearned income of $783 million. Unearned income on consumer loans primarily represents unamortized origination fees and costs, premiums and discounts.
Schedule of loans credit quality indicators
The following tables provide details on the Fair Isaac Corporation (FICO) scores for Citi’s U.S. consumer loan portfolio based on end-of-period receivables by year of origination. FICO scores are updated monthly for substantially all of the portfolio or, otherwise, on a quarterly basis for the remaining portfolio.
FICO score distribution in U.S. portfolio(1)
September 30, 2020
In millions of dollarsLess than
680
680 to 760Greater
than 760
FICO not availableTotal loans
Residential first mortgages
2020$114 $2,945 $7,092 
2019177 2,040 5,827 
2018272 789 1,443 
2017331 923 2,084 
2016351 1,482 4,272 
Prior1,829 4,361 10,446 
Total residential first mortgages$3,074 $12,540 $31,164 $1,592 $48,370 
Credit cards(2)
$26,613 $51,604 $45,187 $1,513 $124,917 
Home equity loans (pre-reset)$309 $1,061 $1,702 
Home equity loans (post-reset)1,179 1,704 1,656 
Total home equity loans$1,488 $2,765 $3,358 $14 $7,625 
Installment and other
   2020$21 $49 $76 
   201993 121 153 
   2018100 95 97 
   201733 33 38 
   201614 13 12 
   Prior232 403 549 
Personal, small business and other$493 $714 $925 $2,557 $4,689 
Total$31,668 $67,623 $80,634 $5,676 $185,601 

(1)The FICO bands in the tables are consistent with general industry peer presentations.
(2)Excludes $568 million of balances related to Canada.
FICO Score Distribution in U.S. Portfolio
FICO score distribution in U.S. portfolio(1)
December 31, 2019

In millions of dollars
Less than
680
680 to 760Greater
than 760
FICO not availableTotal loans
Residential first mortgages $3,608 $13,264 $28,442 $1,694 $47,008 
Credit cards(2)
33,290 59,536 52,935 2,773 148,534 
Home equity loans1,901 3,530 3,732 60 9,223 
Personal, small business and other564 907 1,473 755 3,699 
Total$39,363 $77,237 $86,582 $5,282 $208,464 

(1)The FICO bands in the tables are consistent with general industry peer presentations.
(2)    Excludes $629 million of balances related to Canada.
The following tables provide details on the LTV ratios for Citi’s U.S. consumer mortgage portfolios by year of origination. LTV ratios are updated monthly using the most recent Core Logic Home Price Index data available for substantially all of the portfolio applied at the Metropolitan Statistical Area level, if available, or the state level if not. The remainder of the portfolio is updated in a similar manner using the Federal Housing Finance Agency indices.
LTV distribution in U.S. portfolioSeptember 30, 2020
In millions of dollarsLess than
or equal
to 80%
> 80% but less
than or equal to 100%
Greater
than
100%
LTV not availableTotal
Residential first mortgages
   2020$8,643 $1,515 $1 
   20197,437 610 3 
   20181,908 584 18 
   20172,988 351 5 
   20166,003 108 3 
   Prior16,562 97 19 
Total residential first mortgages$43,541 $3,265 $49 $1,515 $48,370 
Home equity loans (pre-reset)$2,991 $44 $15 
Home equity loans (post-reset)4,022 406 95 
Total home equity loans$7,013 $450 $110 $52 $7,625 
Total$50,554 $3,715 $159 $1,567 $55,995 
LTV distribution in U.S. portfolioDecember 31, 2019
In millions of dollarsLess than
or equal
to 80%
> 80% but less than or equal
to 100%
Greater
than
100%
LTV not availableTotal
Residential first mortgages$41,993 $3,313 $98 $1,604 $47,008 
Home equity loans8,101 829 237 56 9,223 
Total$50,094 $4,142 $335 $1,660 $56,231 
Schedule of impaired loans
The following tables present information about impaired consumer loans and interest income recognized on impaired consumer loans:
Three Months Ended 
 
September 30,
Nine Months Ended 
 
September 30,
 Balance at September 30, 20202020201920202019
In millions of dollars
Recorded
investment(1)(2)
Unpaid
principal balance
Related
specific allowance(3)
Average
carrying value(4)
Interest income
recognized
(5)
Interest income
recognized
(5)
Interest income
recognized
(5)
Interest income
recognized
(5)
Mortgage and real estate      
Residential first mortgages$1,650 $1,824 $146 $1,631 $16 $16 $44 $51 
Home equity loans502 684 72 556 3 10 
Credit cards1,924 1,996 860 1,913 26 25 77 77 
Personal, small business and other449 451 186 430 18 50 15 
Total$4,525 $4,955 $1,264 $4,530 $63 $47 $181 $149 
(1)Recorded investment in a loan includes net deferred loan fees and costs, unamortized premium or discount and direct write-downs and includes accrued interest only on credit card loans.
(2)    $208 million of residential first mortgages and $157 million of home equity loans do not have a specific allowance.
(3)    Included in the Allowance for credit losses on loans.
(4)    Average carrying value represents the average recorded investment ending balance for the last four quarters and does not include the related specific allowance.
(5)    Includes amounts recognized on both an accrual and cash basis.

 Balance at December 31, 2019
In millions of dollars
Recorded
investment(1)(2)
Unpaid
principal balance
Related
specific allowance(3)
Average
carrying value(4)
Mortgage and real estate    
Residential first mortgages$1,666 $1,838 $161 $1,925 
Home equity loans592 824 123 637 
Credit cards1,931 2,288 771 1,890 
Personal, small business and other419 455 135 683 
Total$4,608 $5,405 $1,190 $5,135 
(1)Recorded investment in a loan includes net deferred loan fees and costs, unamortized premium or discount and direct write-downs and includes accrued interest only on credit card loans.
(2)$405 million of residential first mortgages and $212 million of home equity loans do not have a specific allowance.
(3)Included in the Allowance for credit losses on loans.
(4)Average carrying value represents the average recorded investment ending balance for the last four quarters and does not include the related specific allowance.
Schedule of troubled debt restructurings
Consumer Troubled Debt Restructurings(1)
 For the Three Months Ended September 30, 2020
In millions of dollars, except number of loans modifiedNumber of
loans modified
Post-
modification
recorded
investment
(2)(3)
Deferred
principal
(4)
Contingent
principal
forgiveness
(5)
Principal
forgiveness
(6)
Average
interest rate
reduction
North America      
Residential first mortgages237 $42 $ $ $  %
Home equity loans62 5     
Credit cards48,909 261    17 
Personal, small business and other1,040 12    6 
Total(7)
50,248 $320 $ $ $ 
International
Residential first mortgages696 $21 $ $ $ 1 %
Credit cards25,147 122   2 14 
Personal, small business and other12,652 106   2 10 
Total(7)
38,495 $249 $ $ $4 

 For the Three Months Ended September 30, 2019
In millions of dollars, except number of loans modifiedNumber of
loans modified
Post-
modification
recorded
investment(2)(8)
Deferred
principal(4)
Contingent
principal
forgiveness(5)
Principal
forgiveness(6)
Average
interest rate
reduction
North America      
Residential first mortgages175 $26 $— $— $— — %
Home equity loans219 24 — — 
Credit cards66,925 296 — — — 17 
Personal, small business and other503 — — — 
Total(7)
67,822 $350 $$— $—  
International      
Residential first mortgages572 $22 $— $— $— — %
Credit cards16,703 66 — — 17 
Personal, small business and other7,240 52 — — 
Total(7)
24,515 $140 $— $— $ 

(1)The above tables do not include loan modifications that meet the TDR relief criteria in the Coronavirus Aid, Relief, and Economic Security Act (CARES Act) or the interagency guidance.
(2)Post-modification balances include past-due amounts that are capitalized at the modification date.
(3)Post-modification balances in North America include $2 million of residential first mortgages and $0.3 million of home equity loans to borrowers who have gone through Chapter 7 bankruptcy in the three months ended September 30, 2020. These amounts include $1 million of residential first mortgages and $0.2 million of home equity loans that were newly classified as TDRs in the three months ended September 30, 2020, based on previously received OCC guidance.
(4)Represents portion of contractual loan principal that is non-interest bearing, but still due from the borrower. Such deferred principal is charged off at the time of permanent modification to the extent that the related loan balance exceeds the underlying collateral value.
(5)Represents portion of contractual loan principal that is non-interest bearing and, depending upon borrower performance, eligible for forgiveness.
(6)Represents portion of contractual loan principal that was forgiven at the time of permanent modification.
(7)    The above tables reflect activity for restructured loans that were considered TDRs as of the end of the reporting period.
(8)    Post-modification balances in North America include $3 million of residential first mortgages and $2 million of home equity loans to borrowers who have gone through Chapter 7 bankruptcy in the three months ended September 30, 2019. These amounts include $2 million of residential first mortgages and $2 million of home equity loans that were newly classified as TDRs in the three months ended September 30, 2019, based on previously received OCC guidance.
Consumer Troubled Debt Restructurings(1)
 For the Nine Months Ended September 30, 2020
In millions of dollars, except number of loans modifiedNumber of
loans modified
Post-
modification
recorded
investment
(2)(3)
Deferred
principal
(4)
Contingent
principal
forgiveness
(5)
Principal
forgiveness
(6)
Average
interest rate
reduction
North America      
Residential first mortgages812 $137 $ $ $  %
Home equity loans227 22    1 
Credit cards167,082 786    13 
Personal, small business and other1,816 19    4 
Total(7)
169,937 $964 $ $ $ 
International
Residential first mortgages1,874 $80 $ $ $ 5 %
Credit cards65,738 289   7 16 
Personal, small business and other31,590 234   6 10 
Total(7)
99,202 $603 $ $ $13 

 For the Nine Months Ended September 30, 2019
In millions of dollars, except number of loans modifiedNumber of
loans modified
Post-
modification
recorded
investment(2)(8)
Deferred
principal(4)
Contingent
principal
forgiveness(5)
Principal
forgiveness(6)
Average
interest rate
reduction
North America      
Residential first mortgages805 $120 $— $— $— — %
Home equity loans613 66 — — 
Credit cards202,453 874 — — — 17 
Personal, small business and other1,206 11 — — — 
Total(7)
205,077 $1,071 $$— $—  
International      
Residential first mortgages1,935 $59 $— $— $— — %
Credit cards53,649 214 — — 16 
Personal, small business and other22,038 151 — — 
Total(7)
77,622 $424 $— $— $13  

(1)The above tables do not include loan modifications that meet the TDR relief criteria in the Coronavirus Aid, Relief, and Economic Security Act (CARES Act) or the interagency guidance.
(2)Post-modification balances include past-due amounts that are capitalized at the modification date.
(3)Post-modification balances in North America include $10 million of residential first mortgages and $2 million of home equity loans to borrowers who have gone through Chapter 7 bankruptcy in the nine months ended September 30, 2020. These amounts include $7 million of residential first mortgages and $1 million of home equity loans that were newly classified as TDRs in the nine months ended September 30, 2020, based on previously received OCC guidance.
(4)Represents portion of contractual loan principal that is non-interest bearing, but still due from the borrower. Such deferred principal is charged off at the time of permanent modification to the extent that the related loan balance exceeds the underlying collateral value.
(5)Represents portion of contractual loan principal that is non-interest bearing and, depending on borrower performance, eligible for forgiveness.
(6)Represents portion of contractual loan principal that was forgiven at the time of permanent modification.
(7)    The above tables reflect activity for restructured loans that were considered TDRs as of the end of the reporting period.
(8)    Post-modification balances in North America include $15 million of residential first mortgages and $6 million of home equity loans to borrowers who have gone through Chapter 7 bankruptcy in the nine months ended September 30, 2019. These amounts include $9 million of residential first mortgages and $5 million of home equity loans that were newly classified as TDRs in the nine months ended September 30, 2019, based on previously received OCC guidance.
Schedule of troubled debt restructuring loans that defaulted
The following table presents consumer TDRs that defaulted for which the payment default occurred within one year of a permanent modification. Default is defined as 60 days past due.
Three Months Ended September 30,Nine Months Ended September 30,
In millions of dollars2020201920202019
North America
Residential first mortgages$24 $19 $59 $69 
Home equity loans6 12 11 
Credit cards70 74 251 217 
Personal, small business and other1 3 
Total$101 $98 $325 $300 
International
Residential first mortgages$6 $$17 $
Credit cards47 34 118 109 
Personal, small business and other20 19 55 56 
Total$73 $54 $190 $173 

Purchased Credit-Deteriorated Assets
Three Months Ended September 30, 2020
In millions of dollarsCredit
cards
Mortgages(1)
Installment and other
Purchase price $ $25 $ 
Allowance for credit losses at acquisition date   
Discount or premium attributable to non-credit factors   
Par value (amortized cost basis)$ $25 $ 


(1)    Includes loans sold to agencies that were bought back at par due to repurchase agreements.
Corporate  
Financing Receivable, Credit Quality Indicator [Line Items]  
Schedule of loan delinquency and non-accrual details
Corporate Loan Delinquencies and Non-Accrual Details at September 30, 2020
In millions of dollars
30–89 days
past due
and accruing(1)
≥ 90 days
past due and
accruing(1)
Total past due
and accruing
Total
non-accrual(2)
Total
current(3)
Total
loans(4)
Commercial and industrial$648 $57 $705 $2,784 $161,546 $165,035 
Financial institutions405 84 489 165 84,259 84,913 
Mortgage and real estate641 134 775 486 68,500 69,761 
Lease financing18 16 34 37 696 767 
Other197 54 251 112 60,537 60,900 
Loans at fair value5,510 
Total$1,909 $345 $2,254 $3,584 $375,538 $386,886 

Corporate Loan Delinquencies and Non-Accrual Details at December 31, 2019
In millions of dollars
30–89 days
past due
and accruing(1)
≥ 90 days
past due and
accruing(1)
Total past due
and accruing
Total
non-accrual(2)
Total
current(3)
Total
loans(4)
Commercial and industrial$676 $93 $769 $1,828 $164,249 $166,846 
Financial institutions791 794 50 91,008 91,852 
Mortgage and real estate534 538 188 62,425 63,151 
Lease financing58 67 41 1,277 1,385 
Other190 22 212 81 62,341 62,634 
Loans at fair value4,067 
Total$2,249 $131 $2,380 $2,188 $381,300 $389,935 
(1)Corporate loans that are 90 days past due are generally classified as non-accrual. Corporate loans are considered past due when principal or interest is contractually due but unpaid.
(2)Non-accrual loans generally include those loans that are 90 days or more past due or those loans for which Citi believes, based on actual experience and a forward-looking assessment of the collectability of the loan in full, that the payment of interest and/or principal is doubtful.
(3)Loans less than 30 days past due are presented as current.
(4)Total loans include loans at fair value, which are not included in the various delinquency columns.
Schedule of loans credit quality indicators
Corporate Loans Credit Quality Indicators
 
Recorded investment in loans(1)
Term loans by year of origination
Revolving line
of credit arrangements(2)
Totals as of
In millions of dollars20202019201820172016PriorSeptember 30,
2020
December 31,
2019
Investment grade(3)
  
Commercial and industrial(4)
$33,735 $8,471 $6,379 $4,440 $2,092 $8,506 $30,601 $94,224 $110,797 
Financial institutions(4)
9,205 3,403 2,603 760 820 2,090 52,564 71,445 80,533 
Mortgage and real estate5,283 6,931 5,511 2,896 1,342 2,193 1,916 26,072 27,571 
Other(5)
8,475 3,393 5,119 1,176 646 5,381 30,040 54,230 58,155 
Total investment grade$56,698 $22,198 $19,612 $9,272 $4,900 $18,170 $115,121 $245,971 $277,056 
Non-investment grade(3)
  
Accrual  
Commercial and industrial(4)
$24,224 $6,284 $5,806 $3,175 $1,187 $3,621 $23,394 $67,691 $54,220 
Financial institutions(4)
7,245 1,137 806 755 93 152 3,302 13,490 11,269 
Mortgage and real estate1,470 1,648 2,239 1,059 596 861 518 8,391 3,811 
Other(5)
2,015 1,179 744 229 163 408 2,364 7,102 5,734 
Non-accrual 
Commercial and industrial(4)
135 130 81 162 68 343 1,865 2,784 1,828 
Financial institutions     1 164 165 50 
Mortgage and real estate6 1 7 28 6 52 386 486 188 
Other(5)
52 9 17 19  23 29 149 122 
Total non-investment grade$35,147 $10,388 $9,700 $5,427 $2,113 $5,461 $32,022 $100,258 $77,222 
Non-rated private bank loans managed on a delinquency basis(3)(6)
$7,244 $7,368 $3,676 $3,839 $4,448 $8,572 $ $35,147 $31,590 
Loans at fair value(7)
5,510 4,067 
Corporate loans, net of unearned income$99,089 $39,954 $32,988 $18,538 $11,461 $32,203 $147,143 $386,886 $389,935 
(1)Recorded investment in a loan includes net deferred loan fees and costs, unamortized premium or discount, less any direct write-downs.
(2)There were no significant revolving line of credit arrangements that converted to term loans during the quarter.
(3)Held-for-investment loans are accounted for on an amortized cost basis.
(4)Includes certain short-term loans with less than one year in tenor.
(5)Other includes installment and other, lease financing and loans to government and official institutions.
(6)Non-rated private bank loans mainly include mortgage and real estate loans to private banking clients.
(7)Loans at fair value include loans to commercial and industrial, financial institutions, mortgage and real estate and other.
Schedule of impaired loans
The following tables present non-accrual loan information by corporate loan type and interest income recognized on non-accrual corporate loans:
 September 30, 2020Three Months Ended
September 30, 2020
Nine Months Ended
September 30, 2020
In millions of dollars
Recorded
investment(1)
Unpaid
principal balance
Related specific
allowance
Average
carrying
 value(2)
Interest income recognized(3)
Interest income recognized(3)
Non-accrual corporate loans     
Commercial and industrial$2,784 $4,336 $487 $2,407 $4 $9 
Financial institutions165 254 26 122   
Mortgage and real estate486 756 37 333   
Lease financing37 37  39   
Other112 225 48 167 1 15 
Total non-accrual corporate loans$3,584 $5,608 $598 $3,068 $5 $24 
December 31, 2019
In millions of dollars
Recorded
investment(1)
Unpaid
principal balance
Related specific
allowance
Average
carrying
 value(2)
Non-accrual corporate loans    
Commercial and industrial$1,828 $1,942 $283 $1,449 
Financial institutions50 120 63 
Mortgage and real estate188 362 10 192 
Lease financing41 41 — 
Other81 202 76 
Total non-accrual corporate loans$2,188 $2,667 $299 $1,788 
 September 30, 2020December 31, 2019
In millions of dollars
Recorded
investment(1)
Related specific
allowance
Recorded
investment(1)
Related specific
allowance
Non-accrual corporate loans with specific allowances    
Commercial and industrial$1,398 $487 $714 $283 
Financial institutions162 26 40 
Mortgage and real estate286 37 48 10 
Lease financing36  — — 
Other40 48 
Total non-accrual corporate loans with specific allowance$1,922 $598 $809 $299 
Non-accrual corporate loans without specific allowance    
Commercial and industrial$1,386  $1,114  
Financial institutions3  10  
Mortgage and real estate200  140  
Lease financing1  41  
Other72  74  
Total non-accrual corporate loans without specific allowance$1,662 N/A$1,379 N/A
(1)Recorded investment in a loan includes net deferred loan fees and costs, unamortized premium or discount, less any direct write-downs.
(2)Average carrying value represents the average recorded investment balance and does not include related specific allowance.
(3)Interest income recognized for the three and nine months ended September 30, 2019 was $8 million and $23 million, respectively.
N/A Not applicable
Schedule of troubled debt restructurings
In millions of dollarsCarrying value of TDRs modified during the period
TDRs
involving changes
in the amount
and/or timing of
principal payments(2)
TDRs
involving changes
in the amount
and/or timing of
interest payments(3)
TDRs
involving changes
in the amount
and/or timing of
both principal and
interest payments
Three Months Ended September 30, 2020
Commercial and industrial$52 $ $ $52 
Mortgage and real estate8   8 
Other1 1   
Total$61 $1 $ $60 
Nine Months Ended September 30, 2020
Commercial and industrial$200 $ $ $200 
Mortgage and real estate16   16 
Other5 5   
Total$221 $5 $ $216 

Three and Nine Months Ended September 30, 2019
In millions of dollarsCarrying value of TDRs modified
during the period
TDRs
involving changes
in the amount
and/or timing of
principal payments(3)
TDRs
involving changes
in the amount
and/or timing of
interest payments(3)
TDRs
involving changes
in the amount
and/or timing of
both principal and
interest payments
Three Months Ended September 30, 2019
Commercial and industrial$48 $— $— $48 
Mortgage and real estate— — 
Other— — — — 
Total$51 $— $— $51 
Nine Months Ended September 30, 2019
Commercial and industrial$183 $19 $— $164 
Mortgage and real estate10 — — 10 
Other— — 
Total$199 $25 $— $174 

(1)The above tables do not include loan modifications that meet the TDR relief criteria in the CARES Act or the interagency guidance.
(2)TDRs involving changes in the amount or timing of principal payments may involve principal forgiveness or deferral of periodic and/or final principal payments. Because forgiveness of principal is rare for corporate loans, modifications typically have little to no impact on the loans’ projected cash flows and thus little to no impact on the allowance established for the loans. Charge-offs for amounts deemed uncollectable may be recorded at the time of the restructuring or may have already been recorded in prior periods such that no charge-off is required at the time of the modification.
(3)TDRs involving changes in the amount or timing of interest payments may involve a below-market interest rate.
Schedule of troubled debt restructuring loans that defaulted
The following table presents total corporate loans modified in a TDR as well as those TDRs that defaulted and for which the payment default occurred within one year of a permanent modification. Default is defined as 60 days past due, except for classifiably managed commercial banking loans, where default is defined as 90 days past due.

TDR loans in payment defaultTDR loans in payment default
In millions of dollarsTDR balances at September 30, 2020Three Months Ended
September 30, 2020
Nine Months Ended
September 30, 2020
TDR balances at September 30, 2019Three Months Ended
September 30, 2019
Nine Months
Ended
September 30, 2019
Commercial and industrial$390 $ $ $591 $$23 
Financial institutions   — — 
Mortgage and real estate98   75 — — 
Other22   — — 
Total(1)
$510 $ $ $679 $$23 

(1)The above table reflects activity for loans outstanding that were considered TDRs as of the end of the reporting period.
Schedule of corporate loans by type The following table presents information by corporate loan type:
In millions of dollarsSeptember 30,
2020
December 31,
2019
In North America offices(1)
  
Commercial and industrial$59,921 $55,929 
Financial institutions52,884 53,922 
Mortgage and real estate(2)
59,340 53,371 
Installment and other26,858 31,238 
Lease financing704 1,290 
Total$199,707 $195,750 
In offices outside North America(1)
  
Commercial and industrial$108,551 $112,668 
Financial institutions32,583 40,211 
Mortgage and real estate(2)
10,424 9,780 
Installment and other32,323 27,303 
Lease financing63 95 
Governments and official institutions3,235 4,128 
Total$187,179 $194,185 
Corporate loans, net of unearned income(3)
$386,886 $389,935 

(1)North America includes the U.S., Canada and Puerto Rico. Mexico is included in offices outside North America. The classification between offices in North America and outside North America is based on the domicile of the booking unit. The difference between the domicile of the booking unit and the domicile of the managing unit is not material.
(2)Loans secured primarily by real estate.
(3)Corporate loans are net of unearned income of ($857) million and ($814) million at September 30, 2020 and December 31, 2019, respectively. Unearned income on corporate loans primarily represents interest received in advance, but not yet earned, on loans originated on a discounted basis.