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INVESTMENTS
12 Months Ended
Dec. 31, 2024
Investments [Abstract]  
INVESTMENTS INVESTMENTS
Net Investment Income

The components of net investment income for the years ended December 31 were as follows:
(In millions)202420232022
Fixed maturity securities$2,894 $2,873 $2,926 
Equity securities24 28 31 
Commercial mortgage and other loans1,046 1,002 716 
Other investments (1)
130 (70)131 
Short-term investments and cash equivalents258 213 78 
Gross investment income4,352 4,046 3,882 
Less investment expenses236 235 226 
Net investment income$4,116 $3,811 $3,656 
(1) The change in value of federal historic rehabilitation and solar investments in partnerships of $165, $343 and $91 in 2024, 2023, and 2022, respectively, is included as a reduction to net investment income. Tax credits on these investments of $164, $334, and $83 in 2024, 2023, and 2022, respectively, have been recorded as an income tax benefit in the consolidated statement of earnings.
Investment Holdings

The amortized cost and allowance for credit losses for the Company's investments in fixed maturity securities and the fair values of these investments as well as the fair value of the Company's investments in equity securities are shown in the following tables.
  2024
(In millions)
Amortized
Cost
Allowance
 for Credit
Losses
Gross
Unrealized
Gains
Gross
Unrealized
Losses
  Fair
  Value
Securities available-for-sale, carried at fair
  value through other comprehensive income:
Fixed maturity securities:
  Yen-denominated:
Japan government and agencies$19,409 $0 $465 $2,234 $17,640 
Municipalities869 0 65 79 855 
Mortgage- and asset-backed securities327 0 4 23 308 
Public utilities2,746 0 202 108 2,840 
Sovereign and supranational330 0 16 8 338 
Banks/financial institutions5,376 0 267 342 5,301 
Other corporate5,329 0 568 305 5,592 
Total yen-denominated34,386 0 1,587 3,099 32,874 
  U.S. dollar-denominated:
U.S. government and agencies208 0 1 3 206 
Municipalities1,167 0 65 53 1,179 
Mortgage- and asset-backed securities2,987 0 302 34 3,255 
Public utilities3,938 0 418 151 4,205 
Sovereign and supranational57 0 21 0 78 
Banks/financial institutions3,271 0 420 36 3,655 
Other corporate18,050 0 2,493 752 19,791 
Total U.S. dollar-denominated29,678 0 3,720 1,029 32,369 
  Other currencies:
Other corporate
25 0 1 0 26 
Total other currencies
25 0 1 0 26 
Total securities available-for-sale$64,089 $0 $5,308 $4,128 $65,269 

 
2023
(In millions)Amortized
Cost
Allowance
for Credit
Losses
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair
  Value
Securities available-for-sale, carried at fair
  value through other comprehensive income:
Fixed maturity securities:
  Yen-denominated:
Japan government and agencies$23,067 $$1,040 $1,696 $22,411 
Municipalities968 115 58 1,025 
Mortgage- and asset-backed securities215 11 210 
Public utilities3,757 325 82 4,000 
Sovereign and supranational373 24 390 
Banks/financial institutions5,896 320 365 5,851 
Other corporate5,898 699 294 6,303 
Total yen-denominated40,174 2,529 2,513 40,190 
  U.S. dollar-denominated:
U.S. government and agencies191 189 
Municipalities1,246 65 38 1,273 
Mortgage- and asset-backed securities2,748 184 56 2,876 
Public utilities3,346 360 114 3,592 
Sovereign and supranational122 33 147 
Banks/financial institutions2,676 359 51 2,984 
Other corporate20,186 2,518 665 22,039 
Total U.S. dollar-denominated30,515 3,521 936 33,100 
Total securities available-for-sale$70,689 $$6,050 $3,449 $73,290 

  2024
(In millions)Amortized
Cost
Allowance
for Credit
Losses
Net
Carrying
Amount
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair  
Value  
Securities held-to-maturity, carried at
  amortized cost:
Fixed maturity securities:
  Yen-denominated:
Japan government and agencies$15,311 $2 $15,309 $759 $9 $16,059 
Municipalities235 0 235 22 0 257 
Public utilities32 0 32 1 0 33 
Sovereign and supranational377 3 374 31 0 405 
Other corporate16 0 16 2 0 18 
Total yen-denominated15,971 5 15,966 815 9 16,772 
Total securities held-to-maturity$15,971 $5 $15,966 $815 $9 $16,772 
  2023
(In millions)Amortized
Cost
Allowance
for Credit
Losses
Net
Carrying
Amount
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair  
Value
Securities held-to-maturity, carried at
  amortized cost:
Fixed maturity securities:
  Yen-denominated:
Japan government and agencies$17,085 $$17,083 $1,746 $$18,829 
Municipalities266 266 41 307 
Public utilities34 34 38 
Sovereign and supranational421 418 44 462 
Other corporate18 18 21 
Total yen-denominated17,824 17,819 1,838 19,657 
Total securities held-to-maturity$17,824 $$17,819 $1,838 $$19,657 

  
20242023
(In millions)Fair ValueFair Value
Equity securities, carried at fair value through
  net earnings:
Equity securities:
Yen-denominated$484 $751 
U.S. dollar-denominated312 252 
Other currencies0 85 
Total equity securities$796 $1,088 

The methods of determining the fair values of the Company's investments in fixed maturity securities and equity securities are described in Note 5.

During 2024 and 2023, the Company did not reclassify any investments from the held-to-maturity category to the available-for-sale category.
Contractual and Economic Maturities

The contractual and economic maturities of the Company's investments in fixed maturity securities at December 31, 2024, were as follows:
(In millions)
Amortized
Cost (1)
Fair
Value
Available-for-sale:
Due in one year or less$1,369 $1,536 
Due after one year through five years7,522 8,424 
Due after five years through 10 years17,302 18,495 
Due after 10 years34,582 33,251 
Mortgage- and asset-backed securities3,314 3,563 
Total fixed maturity securities available-for-sale$64,089 $65,269 
Held-to-maturity:
Due in one year or less$$
Due after one year through five years34 34 
Due after five years through 10 years8,516 9,045 
Due after 10 years7,416 7,693 
Total fixed maturity securities held-to-maturity$15,966 $16,772 
(1) Net of allowance for credit losses

Economic maturities are used for certain debt instruments with no stated maturity where the expected maturity date is based on the combination of features in the financial instrument such as the right to call or prepay obligations or changes in coupon rates.
Investment Concentrations

The Company's process for investing in credit-related investments begins with an independent approach to underwriting each issuer's fundamental credit quality. The Company evaluates independently those factors that it believes could influence an issuer's ability to make payments under the contractual terms of the Company's instruments. This includes a thorough analysis of a variety of items including the issuer's country of domicile (including political, legal, and financial considerations); the industry in which the issuer competes (with an analysis of industry structure, end-market dynamics, and regulation); company specific issues (such as management, assets, earnings, cash generation, and capital needs); and contractual provisions of the instrument (such as financial covenants and position in the capital structure). The Company further evaluates the investment considering broad business and portfolio management objectives, including asset/liability needs, portfolio diversification, and expected income.

Investment exposures that individually exceeded 10% of shareholders' equity as of December 31 were as follows:
20242023
(In millions)Credit
Rating
Amortized
Cost
Fair
Value
Credit
Rating
Amortized
Cost
Fair
Value
Japan National Government(1)
A+$33,822$32,844A+$39,151$40,222
(1) Japan Government Bonds (JGBs) or JGB-backed securities
Net Investment Gains and Losses

Information regarding pretax net gains and losses from investments for the years ended December 31 follows:
(In millions)202420232022
Net investment gains (losses):
Sales and redemptions:
Fixed maturity securities available-for-sale:
Gross gains from sales$80 $24 $93 
Gross losses from sales(634)(61)(78)
Foreign currency gains (losses)806 204 442 
Other investments:
Gross gains (losses) from sales and redemptions7 33 10 
Total sales and redemptions259 200 467 
Equity securities140 88 

(341)
Credit losses:
Fixed maturity securities held-to-maturity0 
Commercial mortgage and other loans(207)(146)(18)
Impairment losses(55)(25)
Loan commitments1 
Reinsurance recoverables and other5 (3)(2)
Total credit losses(256)(139)(36)
Derivatives and other:
Derivative gains (losses)(363)(531)(1,151)
Foreign currency gains (losses)1,491 972 1,424 
Total derivatives and other1,128 441 273 
Total net investment gains (losses)$1,271 $590 $363 

The unrealized holding gains, net of losses, recorded as a component of net investment gains and losses for the year ended December 31, 2024, that relate to equity securities held at the December 31, 2024, reporting date were $118 million. The unrealized holding gains, net of losses, recorded as a component of net investment gains and losses for the year ended December 31, 2023, that relate to equity securities held at the December 31, 2023, reporting date were $63 million. The unrealized holding losses, net of gains, recorded as a component of net investment gains and losses for the year ended December 31, 2022, that relate to equity securities held at the December 31, 2022, reporting date were $340 million.
Unrealized Investment Gains and Losses

Information regarding changes in unrealized gains and losses from investments recorded in AOCI for the years ended December 31 follows:
(In millions)202420232022
Changes in unrealized gains (losses):
Fixed maturity securities, available-for-sale$(1,421)$2,327 $(13,056)
Total change in unrealized gains (losses)$(1,421)$2,327 $(13,056)
Effect on Shareholders' Equity

The net effect on shareholders' equity of unrealized gains and losses from fixed maturity securities at December 31 was as follows:
(In millions)20242023
Unrealized gains (losses) on securities available-for-sale$1,180 $2,601 
Deferred income taxes(1,156)(1,462)
Shareholders’ equity, unrealized gains (losses) on fixed maturity securities$24 $1,139 

Gross Unrealized Loss Aging

The following tables show the fair values and gross unrealized losses of the Company's available-for-sale investments, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position at December 31.
  2024
  TotalLess than 12 months12 months or longer
(In millions)Fair
Value
Unrealized
Losses
Fair
Value
Unrealized
Losses
Fair
Value
Unrealized
Losses
Fixed maturity securities available-
   for-sale:
U.S. government and
    agencies:
U.S. dollar-denominated$106 $3 $59 $1 $47 $2 
Japan government and
    agencies:
Yen-denominated8,136 2,234 2,070 57 6,066 2,177 
Municipalities:
U.S. dollar-denominated666 53 67 3 599 50 
Yen-denominated341 79 96 2 245 77 
Mortgage- and asset-
    backed securities:
U.S. dollar-denominated567 34 173 2 394 32 
Yen-denominated196 23 12 0 184 23 
Public utilities:
U.S. dollar-denominated1,570 151 699 19 871 132 
Yen-denominated1,020 108 368 11 652 97 
Sovereign and supranational:
Yen-denominated47 8 0 0 47 8 
Banks/financial institutions:
U.S. dollar-denominated625 36 376 7 249 29 
Yen-denominated3,197 342 471 22 2,726 320 
Other corporate:
U.S. dollar-denominated6,097 752 2,036 59 4,061 693 
Yen-denominated 1,733 305 289 14 1,444 291 
Total$24,301 $4,128 $6,716 $197 $17,585 $3,931 
  2023
  TotalLess than 12 months12 months or longer
(In millions)Fair
Value
Unrealized
Losses
Fair
Value
Unrealized
Losses
Fair
Value
Unrealized
Losses
Fixed maturity securities available-
   for-sale:
U.S. government and
    agencies:
U.S. dollar-denominated$123 $$53 $$70 $
Japan government and
    agencies:
Yen-denominated8,393 1,696 1,657 303 6,736 1,393 
Municipalities:
U.S. dollar-denominated703 38 31 672 37 
Yen-denominated301 58 34 267 58 
Mortgage- and asset-
    backed securities:
U.S. dollar-denominated925 56 340 585 50 
Yen-denominated58 11 58 11 
Public utilities:
U.S. dollar-denominated1,120 114 228 892 110 
Yen-denominated1,028 82 444 13 584 69 
Sovereign and supranational:
U.S. dollar-denominated35 35 
Yen-denominated60 60 
Banks/financial institutions:
U.S. dollar-denominated655 51 159 496 47 
Yen-denominated3,673 365 186 3,487 361 
Other corporate:
U.S. dollar-denominated6,380 665 799 19 5,581 646 
Yen-denominated1,948 294 308 1,640 285 
Total$25,402 $3,449 $4,239 $364 $21,163 $3,085 

Analysis of Securities in Unrealized Loss Positions

The unrealized losses on the Company's available-for-sale securities have been primarily related to general market factors such as changes in interest rates, foreign exchange rates, and/or the levels of credit spreads rather than specific concerns with the issuer's ability to pay interest and repay principal.

For available-for-sale securities in an unrealized loss position, the Company performs detailed analyses to identify whether the drivers of the decline in fair value are due to general market factors, such as the recent rise in interest rates, or due to credit-related factors. Identifying the drivers of the declines in fair value helps to align and allocate the Company's resources to the review and monitoring of securities with real credit-related concerns that could impact ultimate collection of principal and interest. For any significant declines in fair value determined to be non-interest rate or market-related, the Company performs a more focused review of the related issuers' specific credit profile.

For corporate issuers, the Company evaluates their assets and business profile, including industry dynamics and competitive positioning, financial statements and other available financial data. For non-corporate issuers, the Company analyzes all sources of credit support, including issuer-specific factors. The Company utilizes information available in the public domain and, for certain private placement issuers, from consultations with the issuers directly. The Company also considers ratings from Nationally Recognized Statistical Rating Organizations (NRSROs), as well as the specific characteristics of the security it owns including seniority in the issuer's capital structure, covenant protections, or other relevant features. From these reviews, the Company evaluates the issuers' continued ability to service the Company's investment through payment of interest and principal.
Assuming no credit-related factors develop, unrealized gains and losses on available-for-sale securities are expected to diminish as investments near maturity. Based on its credit analysis, the Company believes that the issuers of its available-for-sale investments in the sectors shown in the table above have the ability to service their obligations to the Company. Further, the Company does not intend to sell the investments and it is not more likely than not that the Company will be required to sell the investments before recovery of their amortized cost bases, which may be at maturity.

However, if the Company identifies certain available-for-sale securities where the amortized cost basis exceeds the present value of the cash flows expected to be collected due to credit-related factors, an allowance for credit losses is recognized. Based on an evaluation of its securities currently in an unrealized loss position, the Company has determined that those securities should not have an allowance for credit losses as of December 31, 2024. Refer to the Allowance for Credit Losses section below for additional information.

As of December 31, 2024 and 2023, the Company had an immaterial amount of fixed maturity securities on nonaccrual status.

Commercial Mortgage and Other Loans

The Company classifies its TREs, CMLs, MMLs, and other loans as held-for-investment and includes them in the commercial mortgage and other loans line on the consolidated balance sheets. The Company carries them on the balance sheet at amortized cost less an estimated allowance for credit losses.

The following table reflects the composition of the carrying value for commercial mortgage and other loans by property type as of December 31.
20242023
(In millions)Amortized
Cost
% of
Total
Amortized
Cost
% of
Total
Commercial Mortgage and other loans:
Transitional real estate loans:
Office$1,361 12.1 %$1,807 14.1 %
Retail349 3.1 473 3.7 
Apartments/Multi-Family2,201 19.6 2,608 20.4 
Industrial117 1.1 157 1.2 
Hospitality556 5.0 814 6.4 
Other318 2.8 255 2.0 
Total transitional real estate loans4,902 43.7 6,114 47.8 
Commercial mortgage loans:
Office300 2.7 359 2.8 
Retail214 1.9 301 2.4 
Apartments/Multi-Family572 5.1 586 4.6 
Industrial436 3.9 463 3.6 
Other15 .1 .0 
Total commercial mortgage loans1,537 13.7 1,709 13.4 
Middle market loans4,423 39.4 4,677 36.5 
Other loans362 3.2 301 2.3 
Total commercial mortgage and other loans$11,224 100.0 %$12,801 100.0 %
Allowance for credit losses(355)(274)
Total net commercial mortgage and other loans$10,869 $12,527 

CMLs and TREs are secured by properties entirely within the U.S. (with the largest concentrations in California (21%), Texas (13%) and Florida (10%)). MMLs are issued only to companies domiciled within the U.S. and Canada.
Transitional Real Estate Loans

TREs are relatively short-term floating rate commercial mortgage loans that are secured by a first lien on the property. These loans provide funding for properties undergoing a change in their physical characteristics and/or economic profile and do not typically require any principal repayment prior to the maturity date.

As of December 31, 2024, the Company had $273 million in outstanding commitments to fund TREs. These commitments are contingent on the final underwriting and due diligence to be performed.

Commercial Mortgage Loans

CMLs are typically fixed rate loans on commercial real estate with partial repayment of principal over the life of the loan with the remaining outstanding principal being repaid upon maturity. This loan portfolio is generally considered higher quality investment grade loans.

Middle Market Loans

MMLs are typically first lien senior secured cash flow loans to small to mid-size companies for working capital, refinancing, acquisition, and recapitalization. These loans are generally considered to be below investment grade.

As of December 31, 2024, the Company had commitments of approximately $739 million to fund future MMLs. These commitments are contingent upon the availability of MMLs that meet the Company's underwriting criteria.

Other Loans

Other loans are primarily infrastructure loans. Infrastructure loans are typically senior secured, financing operating portfolios of renewable and conventional energy generation assets characterized by predictable, often contractual cash flows for loan repayment. The infrastructure loan portfolio weighted average rating is investment grade.

As of December 31, 2024, the Company had commitments of approximately $1 million to fund future other loans. These commitments are contingent upon the availability of other loans that meet the Company's underwriting criteria.

Credit Quality Indicators

For TREs, the Company’s key credit quality indicators include performance of the loan and loan-to-value (LTV), which is calculated by dividing the current outstanding loan balance by the estimated property value, primarily using values at origination. Given that TREs involve properties undergoing a repositioning of their commercial profile, LTV provides the most insight into the credit risk of the loan. The Company monitors the performance of the loans periodically, but not less frequently than quarterly. The monitoring process also focuses on higher risk loans, which include those that are delinquent or for which foreclosure or deed in lieu of foreclosure is anticipated.

For CMLs, the Company’s key credit quality indicators include LTV and debt service coverage ratios (DSCR). DSCR is the most recently available net operating income of the underlying property compared to the required debt service of the loan.

For MMLs and held-to-maturity fixed maturity securities, the Company’s key credit quality indicator is credit ratings. The Company’s held-to-maturity portfolio is composed of investment grade securities that are senior unsecured instruments, while its MMLs generally have below-investment-grade ratings but are typically senior secured instruments. The Company monitors the credit ratings periodically, but not less frequently than quarterly.

For other loans, the Company's key credit quality indicator is credit ratings. The Company monitors these credit ratings periodically, but not less frequently than quarterly.
The following tables present as of December 31, 2024 the amortized cost basis of TREs, CMLs, MMLs, and other loans by year of origination and credit quality indicator.
Transitional Real Estate Loans
(In millions)20242023202220212020PriorTotal
Loan-to-Value Ratio:
0%-59.99%$$$314 $357 $36 $11 $718 
60%-69.99%116 500 599 18 390 1,623 
70%-79.99%14 903 660 24 58 1,659 
80% or greater259 271 104 268 902 
Total$$130 $1,976 $1,887 $182 $727 $4,902 
Current-period gross writeoffs:$$$$$$57 $62 
Commercial Mortgage Loans
(In millions)20242023202220212020PriorTotalWeighted-Average DSCR
Loan-to-Value Ratio:
0%-59.99%$$32 $$266 $58 $920 $1,276 2.78
60%-69.99%25 47 72 2.11
70%-79.99%13 87 100 1.19
80% or greater89 89 0.57
Total$13 $32 $$291 $58 $1,143 $1,537 2.52
Weighted Average DSCR1.212.620.003.162.522.37
Current-period gross writeoffs:$$$$$$19 $19 
Middle Market Loans
(In millions)20242023202220212020PriorRevolving LoansTotal
Credit Ratings:
BBB$12 $27 $$84 $43 $95 $11 $276 
BB394 45 413 396 282 339 68 1,937 
B220 41 238 486 264 501 41 1,791 
CCC61 74 142 17 299 
CC13 24 42 
C and lower68 78 
Total$626 $113 $673 $1,033 $663 $1,169 $146 $4,423 
Current-period gross writeoffs:$$$$27 $$23 $$50 
Other Loans
(In millions)20242023202220212020PriorRevolving LoansTotal
Credit Ratings:
A$$$82 $$$$$82 
AA11 
BBB130 66 196 
BB73 73 
Total$130 $66 $163 $$$$$362 
Current-period gross writeoffs:$$$$$$$$
Past Due and Nonaccrual Loans

The following tables present an aging of past due and nonaccrual loans at amortized cost, before allowance for credit losses, as of December 31.
2024
(In millions)Current Less Than
90 Days
Past Due
90 Days
or More
 Past Due(1)
Total Past
Due
Total
Loans
Nonaccrual
Status
Transitional real estate loans$4,364 $195 $343 $538 $4,902 $378 
Commercial mortgage loans1,537 0 0 0 1,537 0 
Middle market loans4,295 63 65 128 4,423 108 
Other loans362 0 0 0 362 0 
Total$10,558 $258 $408 $666 $11,224 $486 
(1) As of December 31, 2024, there were no loans that were 90 days or more past due that continued to accrue interest.
2023
(In millions)Current Less Than
90 Days
Past Due
90 Days
or More
 Past Due(1)
Total Past
Due
Total
Loans
Nonaccrual
Status
Transitional real estate loans$5,481 $108 $525 $633 $6,114 $633 
Commercial mortgage loans1,676 33 33 1,709 
Middle market loans4,592 85 85 4,677 85 
Other loans301 301 
Total$12,050 $141 $610 $751 $12,801 $718 
(1) As of December 31, 2023, there were no loans that were 90 days or more past due that continued to accrue interest.

For the year ended December 31, 2024, the Company recognized $2 million of interest income for TREs, CMLs, MMLs, or other loans on nonaccrual status. For the years ended December 31, 2023 and 2022, the Company recognized no interest income for TREs, CMLs, MMLs, or other loans on nonaccrual status. Of these loans, TREs with an amortized cost of $140 million and $160 million had no credit loss allowance as of December 31, 2024 and December 31, 2023, respectively, because these loans are collateral dependent assets for which the estimated fair values of the collateral were in excess of amortized cost. As of December 31, 2024, MMLs with an amortized cost of $5 million were on nonaccrual status without an allowance for credit losses. As of December 31, 2023, there were no MMLs on nonaccrual status without an allowance for credit losses.

Loan Modifications to Borrowers Experiencing Financial Difficulties

The Company granted certain loan modifications to borrowers experiencing financial difficulty during 2024 and 2023. The types of modifications granted may include interest rate reductions, principal forgiveness, other-than-insignificant payment delays, term extensions or a combination of these types of modifications. The amount, timing, and extent of modifications granted are considered in determining any credit loss allowance recorded.

Loans that have both been modified and are paid or written off during the period, resulting in an amortized cost balance of zero at the end of the period, are not included in the disclosures below.
The following table presents the amortized cost basis of modified loans to borrowers experiencing financial difficulty and the financial effect of the modifications, disaggregated by loan classification and type of modification, for the year ended December 31.
2024
(In millions)
Amortized
Cost (1)
% of
Total
Financial Effect
Transitional Real Estate Loans:
Other-than-insignificant payment
  delays
$125 2.7 %
Delay in payments of 24 months on average
Other-than-insignificant payment
  delays and interest rate
  reduction
278 5.9 
Delay in payments of 44 months on average and reduction in the weighted-average contractual interest rate from 8.0% to 6.6%
Other-than-insignificant payment
  delays, principal forgiveness and
  interest rate reduction
81 1.7 
Delay in payments of 33 months on average, $1.3 million of principal forgiven, and reduction in the weighted-average contractual interest rate from 8.2% to 7.3%
(1) Net of allowance for credit losses

Additionally, an immaterial percentage of MMLs with an amortized cost of $15 million were modified in the form of interest rate reductions and maturity extensions during the year ended December 31, 2024.

Loan modifications to borrowers experiencing financial difficulty for the year ended December 31, 2023, were immaterial.

The following table presents an aging of loans that received modifications in the 12 months preceding the period presented, at amortized cost.
December 31, 2024
(In millions)Current Less Than
90 Days
Past Due
90 Days
or More
 Past Due
Transitional real estate loans$403 $81 $0 
Middle market loans15 0 0 
Total$418 $81 $0 

The Company closely monitors the performance of the loans that are modified to borrowers experiencing financial difficulty to understand the effectiveness of its modification efforts. Loans that were granted a modification in the past 12 months, as of December 31, 2024, and subsequently defaulted in the year ended December 31, 2024, were immaterial. There were no modified loans to borrowers experiencing financial difficulties in the past 12 months, as of December 31, 2023, that subsequently defaulted in the year ended December 31, 2023.

As of December 31, 2024, the Company had $14 million of outstanding commitments to lend additional funds to borrowers experiencing financial difficulty that were granted a loan modification.
Allowance for Credit Losses

The Company calculates its allowance for credit losses for held-to-maturity securities, loan receivables and loan commitments by grouping assets with similar risk characteristics when there is not a specific expectation of a loss for an individual asset. For held-to-maturity securities, MMLs, and MML commitments, the Company groups assets by credit ratings, industry, and country.

The Company groups CMLs and TREs and respective loan commitments by property type, property location and the property’s LTV and DSCR. On a quarterly basis, CMLs and TREs within a portfolio segment that share similar risk characteristics are pooled for calculation of credit loss allowance. On an ongoing basis, TREs, CMLs and other loans with dissimilar risk characteristics (i.e., loans with significant declines in credit quality), such as collateral dependent mortgage loans (i.e., when the borrower is experiencing financial difficulty, including when foreclosure is probable), are evaluated individually for credit loss. For example, the credit loss allowance for a collateral dependent loan is established as the excess of amortized cost over the estimated fair value of the loan’s underlying collateral, less selling cost when foreclosure is probable. Accordingly, the change in the estimated fair value of the collateral dependent loans, which are evaluated individually for credit loss, is recorded as a change in the credit loss allowance as a component of net investment gains (losses) in the consolidated statements of earnings.

The credit allowance for held-to-maturity securities and loan receivables is estimated using a probability-of-default (PD) / loss-given-default (LGD) method, discounted for the time value of money. For held-to-maturity securities, available-for-sale securities and loan receivables, the Company includes the change in present value due to the passage of time in the change in the allowance for credit losses. The Company’s methodology for estimating credit losses utilizes the contractual maturity date of the financial asset, adjusted when necessary to reflect the expected timing of repayment (such as prepayment options, renewal options, call options, or extension options). The Company applies reasonable and supportable forecasts of macroeconomic variables that impact the determination of PD / LGD over a two-year period for held-to-maturity securities and MMLs. The Company reverts to historical loss information over one year, following the two-year forecast period. For the CML and TRE portfolio, the Company applies reasonable and supportable forecasts of macroeconomic variables as well as national and local real-estate market factors to estimate future credit losses where the market factors revert back to historical levels over time with the period being dependent on current market conditions, projected market conditions and difference in the current and historical market levels for each factor. The Company continuously monitors the estimation methodology, due to changes in portfolio composition, changes in underwriting practices and significant events or conditions and makes adjustments as necessary.

The Company’s held-to-maturity portfolio includes Japan Government and Agency securities of $15.2 billion amortized cost as of December 31, 2024 that meet the requirements for zero-credit-loss expectation and therefore these asset classes have been excluded from the current expected credit loss measurement.

An investment in an available-for-sale security may be impaired if the fair value falls below amortized cost. The Company regularly reviews its available-for-sale portfolio for declines in fair value. The Company's available-for-sale impairment model focuses on the ultimate collection of the cash flows from its investments and whether the Company has the intent to sell or if it is more likely than not the Company would be required to sell the security prior to recovery of its amortized cost. The determination of the amount of impairments under this model is based upon the Company's periodic evaluation and assessment of known and inherent risks associated with the respective securities. Such evaluations and assessments are revised as conditions change and new information becomes available.

When determining the Company's intention to sell a security prior to recovery of its amortized cost basis, the Company evaluates facts and circumstances such as, but not limited to, future cash flow needs, decisions to reposition its security portfolio, and risk profile of individual investment holdings. The Company performs ongoing analyses of its liquidity needs, which includes cash flow testing of its policy liabilities, debt maturities, projected dividend payments, and other cash flow and liquidity needs.

The Company’s methodology for estimating credit losses for available-for-sale securities utilizes the discounted cash flow model, based on past events, current market conditions and future economic conditions, as well as industry analysis and credit ratings of the securities. In addition, the Company evaluates the specific issuer’s probability of default and expected recovery of its position in the event of default based on the underlying financial condition and assets of the borrower as well as seniority and/or security of other debt holders in the issuer when developing management’s best estimate of expected cash flows.
The following table presents the roll forward of the allowance for credit losses by portfolio segment for loans and by accounting classification for securities.
(In millions)Transitional
Real Estate
Loans
Commercial
Mortgage
Loans
Middle
Market
Loans
Other Loans
and Loan
Commitments
Held-to-
Maturity
Securities
Available-
for-Sale
Securities
Total
Balance at December 31, 2021
$(68)$(10)$(96)$(31)$(8)$$(213)
(Addition to) release of allowance for credit losses14 (39)(17)
Writeoffs, net of recoveries
Change in foreign exchange
Balance at December 31, 2022
(54)(9)(129)(24)(7)(223)
(Addition to) release of allowance for credit losses (1)
(124)(7)(17)(139)
Writeoffs, net of recoveries66 66 
Change in foreign exchange
Balance at December 31, 2023
(112)(16)(146)(16)(5)(295)
(Addition to) release of allowance for credit losses(148)(17)(44)(1)(210)
Writeoffs, net of recoveries61 19 50 130 
Change in foreign exchange
Balance at December 31, 2024
$(199)$(14)$(140)$(17)$(5)$$(375)
(1) Includes an allowance for credit losses of $4 recognized on financial assets accounted for as purchased financial assets with credit deterioration that is not recorded in earnings upon recognition.

As of December 31, 2024, the Company identified TREs with an amortized cost of $390 million in anticipation of potential foreclosure or deed in lieu of foreclosure transactions. As of December 31, 2024, the Company established a credit allowance of $57 million related to these loans.

Other Investments

The table below reflects the composition of the carrying value for other investments as of December 31.
(In millions)20242023
Other investments:
Policy loans$203 $214 
Short-term investments (1)
1,599 1,304 
Limited partnerships (2)
3,435 2,750 
Real estate owned682 227 
Other39 35 
Total other investments$5,958 $4,530 
(1) Includes securities lending collateral
(2) Includes tax credit investments and asset classes such as private equity and real estate funds

The Parent Company invests in partnerships that specialize in rehabilitating historic structures or the installation of solar equipment in order to receive federal historic rehabilitation and solar tax credits. These investments are classified as limited partnerships and included in other investments in the consolidated balance sheets. The change in value of each investment is recorded as a reduction to net investment income. Tax credits generated by these investments are recorded as an income tax benefit in the consolidated statements of earnings.

REO consists of office buildings or other commercial properties obtained through foreclosure or deed in lieu of foreclosure of certain of the Company’s TREs. As of December 31, 2024, all REO was classified as held-and-used for the production of income and is carried at cost less accumulated depreciation. As of December 31, 2023, $210 million of REO was classified as held-and-used with the remaining $17 million classified as held-for-sale, which is carried at the lower of depreciated cost or fair value less cost to sell and is not further depreciated once classified as such. Depreciation expense was $13 million and an immaterial amount for the years ended December 31, 2024 and 2023, respectively. Additionally, as of December 31, 2024 and 2023, accumulated depreciation was $14 million and an immaterial amount, respectively.
The Company had $2.8 billion and $2.3 billion in outstanding commitments to fund investments in limited partnerships, which includes $2.1 billion and $2.0 billion of unfunded commitments related to VIEs that are non-consolidated as of December 31, 2024 and 2023, respectively.
Variable Interest Entities (VIEs)

In the normal course of its activities, the Company invests in legal entities that are VIEs. The Company's variable interests in VIEs are limited to the debt and equity instruments issued by them. With the exception of commitments to limited partnerships and to certain loan investments made in the normal course of business, the Company has not provided any direct or contingent obligations to fund the limited activities of these VIEs, or support related to the limited activities of these VIEs and does not have any intention to do so in the future, nor has it provided any direct or indirect financial guarantees.

The Company's risk of loss related to its interests in any of its VIEs is limited to the carrying value of the related investments, and in certain cases, to any unfunded commitments held in the VIE.

For those VIEs other than certain unit trust structures, the Company's involvement is passive in nature.

VIEs - Consolidated

If the Company determines that it is the VIE’s primary beneficiary, it consolidates the VIE. Creditors or beneficial interest holders of VIEs where the Company is the primary beneficiary have no recourse to the general credit of the Company except to the extent of the unfunded commitments referenced above, as the Company’s obligation to each VIE is limited to the amount of its committed investment.

The following table presents carrying value and balance sheet caption in which the assets and liabilities of consolidated VIEs are reported as of December 31.

Investments in Consolidated Variable Interest Entities
(In millions)20242023
Assets:
Fixed maturity securities, available-for-sale$3,428 $3,712 
Commercial mortgage and other loans8,693 10,150 
Other investments (1)
2,176 2,381 
Other assets (2)
53 55 
Total assets of consolidated VIEs$14,350 $16,298 
Liabilities:
Other liabilities (2)
$604 $507 
Total liabilities of consolidated VIEs$604 $507 
(1) Consists entirely of alternative investments in limited partnerships, which represent VIEs where the Company is not the primary beneficiary and, therefore, are not consolidated
(2) Consists entirely of derivatives

The Company is the sole investor in the consolidated VIEs listed in the table above. The Company invests in fixed maturity securities issued by VIEs that in turn hold U.S. dollar-denominated fixed maturity securities coupled with foreign currency swap agreements. The weighted-average lives of the Company's investments in these VIEs are very similar to the underlying collateral held by these VIEs. The activities of these VIEs are limited to holding invested assets and foreign currency swaps and utilizing the cash flows from these securities to service the VIEs' debt. Neither the Company nor any of its creditors are able to obtain the underlying collateral of these VIEs unless there is an event of default or other specified event. The Company is not a direct counterparty to the foreign currency swap contracts and has no control over them. The Company's loss exposure to these VIEs is limited to its original investment. These consolidated VIEs do not rely on outside or ongoing sources of funding to support their activities beyond the underlying collateral and foreign currency swap contracts, if applicable. The underlying collateral assets and funding of these consolidated VIEs are generally static in nature.
Investments in Unit Trust Structures

The Company also utilizes unit trust structures in its Aflac Japan segment to invest in various asset classes, which include CMLs, MMLs, TREs, other loans and limited partnerships. As the sole investor of these VIEs, the Company is required to consolidate these trusts under U.S. GAAP. The limited partnership investments are comprised of private equity and real estate funds. The Company's loss exposure to these VIEs is limited to its original investments, together with any unfunded portion of the Company's commitments made in the normal course of business to fund certain loan investments and limited partnership investments, as described in the Commercial Mortgage and Other Loans and Other Investments sections of this note. Excluding these commitments, the Company does not provide financial or other support to consolidated VIEs.

VIEs - Not Consolidated

The table below reflects the carrying value and balance sheet caption in which the Company's investments in VIEs that are not consolidated are reported as of December 31.

Investments in Variable Interest Entities Not Consolidated
(In millions)20242023
Assets:
Fixed maturity securities, available-for-sale$6,243 $6,424 
Other investments (1)
1,124 369 
Total investments in VIEs not consolidated$7,367 $6,793 
(1) Consists entirely of alternative investments in limited partnerships

Certain investments in VIEs that the Company is not required to consolidate are investments that are in the form of debt obligations issued by the VIEs. These fixed maturity securities include structured securities, primarily asset-backed securities. The Company's involvement in the related VIEs is limited to that of a passive investor in asset-backed securities issued by the VIEs. The Company also invests in VIEs that are the primary financing vehicles used by their corporate sponsors to raise financing in the capital markets. The variable interests created by these VIEs are principally or solely a result of the debt instruments issued by them. The Company does not have the power to direct the activities that most significantly impact the entity's economic performance, nor does it have the obligation to absorb losses of the VIE entity or the right to receive benefits from the entity that could be significant to the entity. As such, the Company is not the primary beneficiary of these VIEs and therefore is not required to consolidate them.

The Company also holds equity investments in limited partnerships that have been determined to be VIEs. These partnerships primarily invest in private equity and real estate funds. The Company’s maximum exposure to loss on these investments is limited to the amount of its investment and any unfunded commitments. As described in the Other Investments section of this note, the Company makes commitments to fund partnership investments in the normal course of business. Excluding these commitments, the Company did not provide financial or other support to unconsolidated VIEs. The Company is not the primary beneficiary of these VIEs and is therefore not required to consolidate them. The Company classifies these investments as other investments in the consolidated balance sheets.
Securities Lending and Pledged Securities

The Company lends fixed maturity securities and, from time to time, public equity securities to financial institutions in short-term securities lending transactions. These short-term securities lending arrangements increase investment income with minimal risk. The Company receives cash or other securities as collateral for such loans. The Company's securities lending policy requires that the fair value of the securities received as collateral be 102% or more of the fair value of the loaned securities and that unrestricted cash received as collateral be 100% or more of the fair value of the loaned securities. The securities loaned continue to be carried as investment assets on the Company's balance sheet during the terms of the loans and are not reported as sales. For loans involving unrestricted cash or securities as collateral, the collateral is reported as an asset with a corresponding liability for the return of the collateral. For loans where the Company receives as collateral securities that the Company is not permitted to sell or repledge, the collateral is not reflected in the consolidated financial statements.
Details of collateral by loaned security type and remaining maturity of the agreements as of December 31 were as follows:
Securities Lending Transactions Accounted for as Secured Borrowings
Remaining Contractual Maturity of the Agreements
20242023
(In millions)
Overnight
and
Continuous
(1)
Up to 30
days
Total
Overnight
and
Continuous
(1)
Up to 30
days
Total
Securities lending
  transactions:
Fixed maturity securities:
Japan government and agencies$0 $1,027 $1,027 $$737 $737 
Public utilities34 0 34 19 19 
Banks/financial institutions193 0 193 72 72 
Other corporate783 0 783 675 675 
          Total borrowings$1,010 $1,027 $2,037 $766 $737 $1,503 
Gross amount of recognized liabilities for securities
   lending transactions
$2,037 $1,503 
(1) The related loaned security, under the Company's U.S. securities lending program, can be returned to the Company at the transferee's discretion; therefore, they are classified as Overnight and Continuous.

In connection with securities lending, in addition to cash collateral received, the Company received from counterparties securities collateral of $3.0 billion and $4.3 billion at December 31, 2024, and 2023, respectively, which may not be sold or re-pledged, unless the counterparty is in default. Such securities collateral is not reflected on the consolidated financial statements.

The Company did not have any repurchase agreements or repurchase-to-maturity transactions outstanding as of December 31, 2024 and 2023, respectively.

Certain fixed maturity securities can be pledged as collateral as part of derivative transactions, or pledged to support state deposit requirements on certain investment programs. For additional information regarding pledged securities related to derivative transactions, see Note 4.

At December 31, 2024, debt securities with a fair value of $20 million were on deposit with regulatory authorities in the U.S. (including U.S. territories). The Company retains ownership of all securities on deposit and receives the related investment income.

For general information regarding the Company's investment accounting policies, see Note 1.