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Investments
 3 Months Ended
Mar. 31, 2024
Investments [Abstract]  
Investments
5. INVESTMENTS
Net Realized Gains (Losses)
 Three Months Ended March 31,
(Before tax)20242023
Gross gains on sales of fixed maturities
$5 $17 
Gross losses on sales of fixed maturities
(11)(39)
Equity securities [1]
Net realized gains (losses) on sales of equity securities(12)50 
Change in net unrealized gains (losses) of equity securities47 (15)
Net realized and unrealized gains (losses) on equity securities35 35 
Net credit losses on fixed maturities, AFS(1)(5)
Change in ACL on mortgage loans3 — 
Other, net [2](3)(15)
Net realized gains (losses)$28 $(7)
[1]The change in net unrealized gains (losses) on equity securities still held as of the end of the period and included in net realized gains (losses) were $36 and $2 for the three months ended March 31, 2024, and 2023, respectively.
[2]For the three months ended March 31, 2024, and 2023 includes gains (losses) from transactional foreign currency revaluation of $2 and $(7), respectively, and gains (losses) on non-qualifying derivatives of $(2), and $5, respectively.

Proceeds from the sales of fixed maturities, AFS totaled $0.4 billion and $1.4 billion for the three months ended March 31, 2024 and 2023, respectively.
Accrued Investment Income on Fixed Maturities, AFS and Mortgage Loans
As of March 31, 2024 and December 31, 2023, the Company reported accrued investment income related to fixed maturities, AFS of $381 and $371, respectively, and accrued investment income related to mortgage loans of $21 and $20, respectively. These amounts are not included in the carrying value of the fixed maturities or mortgage loans. Investment income on fixed maturities and mortgage loans is accrued unless it is past due over 90 days or management deems the interest uncollectible. The Company does not include the current accrued investment income balance when estimating the ACL. The Company has a policy to write-off accrued investment income balances that are more than 90 days past due. Write-offs of accrued investment income are recorded as a credit loss component of net realized gains and losses.
Recognition and Presentation of Intent-to-Sell Impairments and ACL on Fixed Maturities, AFS
The Company will record an "intent-to-sell impairment" as a reduction to the amortized cost of fixed maturities, AFS in an unrealized loss position if the Company intends to sell or it is more likely than not that the Company will be required to sell the fixed maturity before a recovery in value. A corresponding charge is recorded in net realized losses equal to the difference between the fair value on the impairment date and the amortized cost basis of the fixed maturity before recognizing the impairment.
For fixed maturities where a credit loss has been identified and no intent-to-sell impairment has been recorded, the Company will record an ACL for the portion of the unrealized loss related to the credit loss. Any remaining unrealized loss on a fixed maturity after recording an ACL is the non-credit amount and is recorded in OCI. The ACL is the excess of the amortized cost over the greater of the Company's best estimate of the present value of expected future cash flows or the security's fair value. Cash flows are discounted at the effective yield that is used to record interest income. The ACL cannot exceed the unrealized loss and, therefore, it may fluctuate with changes in the fair value of the fixed maturity if the fair value is greater than the Company's best estimate of the present value of expected future cash flows. The initial ACL and any subsequent changes are recorded in net realized gains and losses. The ACL is written off against the amortized cost in the period in which all or a portion of the related fixed maturity is determined to be uncollectible.
Developing the Company’s best estimate of expected future cash flows is a quantitative and qualitative process that incorporates information received from third-party sources along with certain internal assumptions regarding the future performance. The Company's considerations include, but are not limited to, (a) changes in the financial condition of the issuer and/or the underlying collateral, (b) whether the issuer is current on contractually obligated interest and principal payments, (c) credit ratings, (d) payment structure of the security and (e) the extent to which the fair value has been less than the amortized cost of the security.
For non-structured securities, assumptions include, but are not limited to, economic and industry-specific trends and fundamentals, instrument-specific developments including changes in credit ratings, industry earnings multiples and the issuer’s ability to restructure, access capital markets, and execute asset sales.
For structured securities, assumptions include, but are not limited to, various performance indicators such as historical and projected default and recovery rates, credit ratings, current and projected delinquency rates, loan-to-value ("LTV") ratios, average cumulative collateral loss rates that vary by vintage year, prepayment speeds, and property value declines. These
assumptions require the use of significant management judgment and include the probability of issuer default and estimates regarding timing and amount of expected recoveries which may include estimating the underlying collateral value.
ACL on Fixed Maturities, AFS by Type
Three Months Ended March 31,
20242023
(Before tax)CorporateCMBSTotalCorporateCMBSTotal
Balance as of beginning of period$9 $12 $21 $2 $10 $12 
Credit losses on fixed maturities where an allowance was not previously recorded— — — 4 — 4 
Net increases (decreases) on fixed maturities where an allowance was previously recorded1 — 1 — 1 1 
Write-offs charged against the allowance(4)— (4)— — — 
Balance as of end of period$6 $12 $18 $6 $11 $17 
Fixed Maturities, AFS
Fixed Maturities, AFS, by Type
March 31, 2024December 31, 2023

Amortized
Cost		ACLGross
Unrealized
Gains		Gross
Unrealized
Losses		Fair
Value
Amortized
Cost		ACLGross
Unrealized
Gains		Gross
Unrealized
Losses		Fair
Value
ABS$3,527 $— $15 $(43)$3,499 $3,347 $— $18 $(45)$3,320 
CLO3,168 — 5 (5)3,168 3,104 — 3 (17)3,090 
CMBS3,345 (12)20 (303)3,050 3,466 (12)19 (348)3,125 
Corporate19,598 (6)144 (1,079)18,657 18,691 (9)197 (1,013)17,866 
Foreign govt./govt. agencies574 — 4 (30)548 583 — 6 (27)562 
Municipal6,175 — 101 (335)5,941 6,207 — 131 (299)6,039 
RMBS4,889 — 10 (426)4,473 4,675 — 18 (406)4,287 
U.S. Treasuries1,670 — 12 (178)1,504 1,653 — 26 (150)1,529 
Total fixed maturities, AFS$42,946 $(18)$311 $(2,399)$40,840 $41,726 $(21)$418 $(2,305)$39,818 
Fixed Maturities, AFS, by Contractual Maturity Year
March 31, 2024December 31, 2023
Amortized CostFair ValueAmortized CostFair Value
One year or less$1,541 $1,517 $1,526 $1,501 
Over one year through five years10,212 9,900 9,670 9,433 
Over five years through ten years6,440 6,074 6,568 6,211 
Over ten years9,824 9,159 9,370 8,851 
Subtotal28,017 26,650 27,134 25,996 
Mortgage-backed and asset-backed securities14,929 14,190 14,592 13,822 
Total fixed maturities, AFS$42,946 $40,840 $41,726 $39,818 
Estimated maturities may differ from contractual maturities due to call or prepayment provisions. Due to the potential for variability in payment speeds (i.e., prepayments or extensions), mortgage-backed and asset-backed securities are not categorized by contractual maturity.
Concentration of Credit Risk
The Company aims to maintain a diversified investment portfolio including issuer, sector and geographic stratification, where
applicable, and has established certain exposure limits, diversification standards and review procedures to mitigate credit risk. The Company had no investment exposure to any credit concentration risk of a single issuer greater than 10% of the Company's stockholders' equity as of March 31, 2024 or December 31, 2023 other than U.S. government securities and certain U.S. government agencies.
Unrealized Losses on Fixed Maturities, AFS
Unrealized Loss Aging for Fixed Maturities, AFS by Type and Length of Time as of March 31, 2024
Less Than 12 Months12 Months or MoreTotal
Fair ValueUnrealized LossesFair ValueUnrealized LossesFair ValueUnrealized Losses
ABS$982 $(7)$942 $(36)$1,924 $(43)
CLO1,107 (4)295 (1)1,402 (5)
CMBS59 (1)2,794 (302)2,853 (303)
Corporate1,733 (25)11,000 (1,054)12,733 (1,079)
Foreign govt./govt. agencies96 (1)344 (29)440 (30)
Municipal664 (6)3,212 (329)3,876 (335)
RMBS685 (8)3,061 (418)3,746 (426)
U.S. Treasuries287 (14)999 (164)1,286 (178)
Total fixed maturities, AFS in an unrealized loss position$5,613 $(66)$22,647 $(2,333)$28,260 $(2,399)

Unrealized Loss Aging for Fixed Maturities, AFS by Type and Length of Time as of December 31, 2023
 Less Than 12 Months12 Months or MoreTotal
Fair ValueUnrealized LossesFair ValueUnrealized LossesFair ValueUnrealized Losses
ABS$604 $(6)$1,043 $(39)$1,647 $(45)
CLO209 (1)2,249 (16)2,458 (17)
CMBS117 (7)2,837 (341)2,954 (348)
Corporate810 (10)11,149 (1,003)11,959 (1,013)
Foreign govt./govt. agencies27 — 368 (27)395 (27)
Municipal329 (3)3,196 (296)3,525 (299)
RMBS181 (3)3,207 (403)3,388 (406)
U.S. Treasuries120 (11)1,121 (139)1,241 (150)
Total fixed maturities, AFS in an unrealized loss position$2,397 $(41)$25,170 $(2,264)$27,567 $(2,305)
As of March 31, 2024, fixed maturities, AFS in an unrealized loss position consisted of 4,002 instruments and were primarily depressed due to higher interest rates and/or wider credit spreads since the purchase date. As of March 31, 2024, 95% of these fixed maturities were depressed less than 20% of cost or amortized cost. The increase in unrealized losses during the three months ended March 31, 2024, was primarily attributable to higher interest rates, partially offset by tighter credit spreads.
Most of the fixed maturities depressed for twelve months or more relate to the corporate sector, RMBS, municipal bonds, and CMBS which were primarily depressed because current rates are higher and/or market spreads are wider than at the
respective purchase dates. The Company neither has an intention to sell nor does it expect to be required to sell the fixed maturities outlined in the preceding discussion. The decision to record credit losses on fixed maturities, AFS in the form of an ACL requires us to make qualitative and quantitative estimates of expected future cash flows.
Mortgage Loans
ACL on Mortgage Loans
The Company reviews mortgage loans on a quarterly basis to estimate the ACL with changes in the ACL recorded in net
realized gains and losses. Apart from an ACL recorded on individual mortgage loans where the borrower is experiencing financial difficulties, the Company records an ACL on the pool of mortgage loans based on lifetime expected credit losses. The Company utilizes a third-party forecasting model to estimate lifetime expected credit losses at a loan level under multiple economic scenarios. The scenarios use macroeconomic data provided by an internationally recognized economics firm that generates forecasts of varying economic factors such as GDP growth, unemployment and interest rates. The economic scenarios are projected over 10 years. The first two to four years of the 10-year period assume a specific modeled economic scenario (including moderate upside, moderate recession and severe recession scenarios) and then revert to historical long-term assumptions over the remaining period. Using these economic scenarios, the forecasting model projects property-specific operating income and capitalization rates used to estimate the value of a future operating income stream. The operating income and the property valuations derived from capitalization rates are compared to loan payment and principal amounts to create debt service coverage ratios ("DSCRs") and LTVs over the forecast period. The Company's process also considers qualitative factors. The model overlays historical data about mortgage loan performance based on DSCRs and LTVs and projects the probability of default, amount of loss given a default and resulting expected loss through maturity for each loan under each economic scenario. Economic scenarios are probability-weighted based on a statistical analysis of the forecasted economic factors and qualitative analysis. The Company records the change in the ACL on mortgage loans based on the weighted-average expected credit losses across the selected economic scenarios.
When a borrower is experiencing financial difficulty, including when foreclosure is probable, the Company measures an ACL on individual mortgage loans. The ACL is established for any shortfall between the amortized cost of the loan and the fair value of the collateral less costs to sell. Estimates of collectibility from an individual borrower require the use of significant management judgment and include the probability and timing of borrower default and loss severity estimates. In addition, cash
flow projections may change based upon new information about the borrower's ability to pay and/or the value of underlying collateral such as changes in projected property value estimates. As of March 31, 2024, the Company did not have any mortgage loans for which an ACL was established on an individual basis.
There were no mortgage loans held-for-sale as of March 31, 2024 or December 31, 2023. In addition, as of March 31, 2024 and 2023, the Company had no mortgage loans that have had extensions or restructurings other than what is allowable under the original terms of the contract or with borrowers experiencing financial difficulties.
ACL on Mortgage Loans
Three Months Ended March 31,
20242023
ACL as of beginning of period$51 $36 
Current period provision (release)(3)— 
ACL as of December 31,$48 $36 
The release in the allowance for the three months ended March 31, 2024 is primarily attributable to improved economic scenario forecasts and property specific reductions, partially offset by net additions of new loans.
The weighted-average LTV ratio of the Company’s mortgage loan portfolio was 55% as of March 31, 2024, while the weighted-average LTV ratio at origination of these loans was 59%. LTV ratios compare the loan amount to the value of the underlying property collateralizing the loan with property values based on appraisals updated no less than annually. Factors considered in estimating property values include, among other things, actual and expected property cash flows, geographic market data and the ratio of the property's net operating income to its value. DSCR compares a property’s net operating income to the borrower’s principal and interest payments and are updated no less than annually through reviews of underlying properties.
Mortgage Loans LTV & DSCR by Origination Year as of March 31, 2024
202420232022202120202019 & PriorTotal
Loan-to-valueAmortized Cost
Avg. DSCR
Amortized CostAvg. DSCRAmortized CostAvg. DSCRAmortized CostAvg. DSCRAmortized CostAvg. DSCRAmortized CostAvg. DSCR
Amortized Cost [1]
Avg. DSCR
Greater than 80%$— —x$— —x$16 1.14x$38 1.05x$— —x$104 0.89x$158 0.95x
65% - 80%— —x— —x189 2.20x489 2.35x94 3.48x349 1.77x1,121 2.24x
Less than 65%98 1.62x434 1.45x735 2.77x1,062 3.13x527 2.91x2,110 2.78x4,966 2.73x
Total mortgage loans
$98 1.62x$434 1.45x$940 2.63x$1,589 2.84x$621 2.99x$2,563 2.57x$6,245 2.60x
[1]Amortized cost of mortgage loans excludes ACL of $48.
Mortgage Loans LTV & DSCR by Origination Year as of December 31, 2023
202320222021202020192018 & PriorTotal
Loan-to-valueAmortized CostAvg. DSCRAmortized CostAvg. DSCRAmortized CostAvg. DSCRAmortized CostAvg. DSCRAmortized CostAvg. DSCRAmortized CostAvg. DSCRAmortized Cost [1]Avg. DSCR
Greater than 80%$— —x$16 1.09x$38 1.05x$— —x$— —x$105 1.41x$159 1.29x
65% - 80%— —x189 2.13x457 2.42x95 3.47x98 1.77x252 1.77x1,091 2.25x
Less than 65%400 1.47x724 2.75x1,105 2.99x527 2.92x679 2.90x1,453 2.67x4,888 2.72x
Total mortgage loans
$400 1.47x$929 2.60x$1,600 2.78x$622 3.00x$777 2.76x$1,810 2.47x$6,138 2.60x
[1]Amortized cost of mortgage loans excludes ACL of $51.
Mortgage Loans by Region
March 31, 2024December 31, 2023
Amortized CostPercent of TotalAmortized CostPercent of Total
East North Central$371 5.9 %$368 6.0 %
Middle Atlantic246 3.9 %238 3.9 %
Mountain728 11.7 %699 11.4 %
New England350 5.6 %351 5.7 %
Pacific1,330 21.3 %1,326 21.6 %
South Atlantic1,780 28.5 %1,776 28.9 %
West North Central104 1.7 %103 1.7 %
West South Central498 8.0 %445 7.2 %
Other [1]838 13.4 %832 13.6 %
Total mortgage loans6,245 100.0 %6,138 100.0 %
ACL(48)(51)
Total mortgage loans, net of ACL$6,197 $6,087 
[1]Primarily represents loans collateralized by multiple properties in various regions.
Mortgage Loans by Property Type
March 31, 2024December 31, 2023
Amortized CostPercent of TotalAmortized CostPercent of Total
Commercial
Industrial$2,478 39.7 %$2,363 38.5 %
Multifamily2,192 35.1 %2,200 35.9 %
Office568 9.1 %578 9.4 %
Retail [1]927 14.8 %917 14.9 %
Single Family80 1.3 %80 1.3 %
Total mortgage loans6,245 100.0 %6,138 100.0 %
ACL(48)(51)
Total mortgage loans, net of ACL$6,197 $6,087 
[1]Primarily comprised of grocery-anchored retail centers, with no exposure to regional shopping malls.
Past-Due Mortgage Loans
Mortgage loans are considered past due if a payment of principal or interest is not received according to the contractual terms of the loan agreement, which typically includes a grace period. As of March 31, 2024 and December 31, 2023, the Company held no mortgage loans considered past due.
Mortgage Servicing
The Company originates, sells and services commercial mortgage loans on behalf of third parties and recognizes servicing fee income over the period that services are performed. As of March 31, 2024, under this program, the Company serviced mortgage loans with a total outstanding principal of $9.6 billion, of which $4.5 billion was serviced on behalf of third parties and $5.1 billion was retained and reported in total investments on the Company's Condensed Consolidated Balance Sheets. As of December 31, 2023, the Company serviced mortgage loans with a total outstanding principal balance of $9.4 billion, of which $4.4 billion was serviced on behalf of third parties and $5.0 billion was retained and reported in total investments on the Company's Condensed Consolidated Balance Sheets. Servicing rights are carried at the lower of cost or fair value and were $0 as of March 31, 2024 and December 31, 2023, because servicing fees were market-level fees at origination and remain adequate to compensate the Company for servicing the loans.
Variable Interest Entities
The Company is engaged with various special purpose entities and other entities that are deemed to be VIEs primarily as an investor through normal investment activities or, at times, as an investment manager.
A VIE is an entity that either has investors that lack certain essential characteristics of a controlling financial interest, such as simple majority kick-out rights, or lacks sufficient funds to finance its own activities without financial support provided by other entities. The Company performs ongoing qualitative assessments of its VIEs to determine whether the Company has a controlling financial interest in the VIE and therefore is the primary beneficiary. The Company is deemed to have a controlling financial interest when it has both the ability to direct the activities that most significantly impact the economic performance of the VIE and the obligation to absorb losses or right to receive benefits from the VIE that could potentially be significant to the VIE. Based on the Company’s assessment, if it determines it is the primary beneficiary, the Company consolidates the VIE in the Company’s Condensed Consolidated Financial Statements.
Consolidated VIEs
As of March 31, 2024 and December 31, 2023, the Company did not hold any securities for which it is the primary beneficiary.
Non-Consolidated VIEs
The Company, through normal investment activities, makes passive investments in limited partnerships and other alternative investments. For these non-consolidated VIEs, the Company has determined it is not the primary beneficiary as it has no ability to direct activities that could significantly affect the economic performance of the investments. The Company’s maximum exposure to loss as of March 31, 2024 and December 31, 2023 was limited to the total carrying value of $3.0 billion for both periods, which are a portion of the investments in limited partnerships and other alternative investments in the Company's Condensed Consolidated Balance Sheets that are primarily recorded using the equity method of accounting. As of March 31, 2024 and December 31,
2023, the Company has outstanding commitments totaling $1.7 billion for both periods, whereby the Company is committed to fund these investments and may be called by the partnership during the commitment period to fund the purchase of new investments and partnership expenses. These investments are generally of a passive nature in that the Company does not take an active role in management. For further discussion of these investments, see Equity Method Investments within Note 5 - Investments of Notes to Consolidated Financial Statements included in the Company’s 2023 Form 10-K Annual Report.
Furthermore, the Company makes investments in entities that sponsor affordable housing projects. Similarly, for these non-consolidated VIEs, the Company has determined it is not the primary beneficiary as it has no ability to direct activities that could significantly affect the economic performance of the investments. The Company applies the proportional amortization method to subsequently measure its investments in such qualified affordable housing projects, where costs are amortized over the period in which the investor expects to receive tax credits and the resulting amortization is recognized as a component of income tax expense on the Company's Condensed Consolidated Statements of Operations. For the three months ended March 31, 2024, and 2023, the Company recognized amortization of $1 and less than $1, respectively, and related tax benefits of $2 and less than $1, respectively. The income tax credits and other income tax benefits are recognized in operating activities in the Condensed Consolidated Statement of Cash Flows. The carrying value of these investments, which are reported in other assets on the Company’s Condensed Consolidated Balance Sheets was $22 and $20 as of March 31, 2024, and December 31, 2023, respectively. As of March 31, 2024 and December 31, 2023, the Company has outstanding commitments related to affordable housing projects of $177 and $180, respectively, that are contingent on various conditions precedent to funding.
In addition, the Company makes passive investments in structured securities issued by VIEs for which the Company is not the manager. These investments are included in ABS, CLO, CMBS, and RMBS and are reported in fixed maturities, AFS, and FVO securities on the Company's Condensed Consolidated Balance Sheets. The Company has not provided financial or other support with respect to these investments other than its original investment. For these investments, the Company determined it is not the primary beneficiary due to the relative size of the Company’s investment in comparison to the principal amount of the structured securities issued by the VIEs, the Company’s inability to direct the activities that most significantly impact the economic performance of the VIEs, and, where applicable, the level of credit subordination which reduces the Company’s obligation to absorb losses or right to receive benefits. The Company’s maximum exposure to loss on these investments is limited to the amount of the Company’s investment.
Reverse Repurchase Agreements, Other Collateral Transactions and Restricted Investments
Reverse Repurchase Agreements
From time to time, the Company enters into reverse repurchase agreements where the Company purchases securities and simultaneously agrees to resell the same or substantially the same securities. The maturity of these transactions is generally within one year. The agreements require additional collateral to be transferred to the Company under specified conditions and the Company has the right to sell or re-pledge the securities received. The Company accounts for reverse repurchase agreements as collateralized financing. As of both March 31, 2024 and December 31, 2023, the Company reported $10 within short-term investments on the Condensed Consolidated Balance Sheets representing a receivable for the amount of cash transferred to purchase the securities.
Other Collateral Transactions
As of March 31, 2024 and December 31, 2023, the Company pledged collateral of $6 and $7, respectively, of U.S. government securities or cash primarily related to certain bank loan participations committed through a limited partnership agreement.
For disclosure of collateral in support of derivative transactions, refer to the Derivative Collateral Arrangements section in Note 6 - Derivatives of Notes to Condensed Consolidated Financial Statements.
Other Restricted Investments
The Company is required by law to deposit securities with government agencies in certain states in which it conducts business. In addition, the Company is required to hold fixed maturities and short-term investments in trust for the benefit of syndicate policyholders, hold fixed maturities in a Lloyd's of London ("Lloyd's") trust account to provide a portion of the required capital, and maintain other investments primarily consisting of overseas deposits in various countries with Lloyd's to support underwriting activities in those countries. Lloyd's is an insurance market-place operating worldwide. Lloyd's does not underwrite risks. The Company accepts risks as the sole member of Lloyd's Syndicate 1221 ("Lloyd's Syndicate").
The following table presents the components of the Company’s exposure to other restricted investments.
March 31, 2024December 31, 2023
Fair ValueFair Value
Securities on deposit with government agencies$2,370 $2,339 
Fixed maturities in trust for benefit of Lloyd's Syndicate policyholders917 890 
Short-term investments in trust for benefit of Lloyd's Syndicate policyholders19 30 
Fixed maturities in Lloyd's trust account160 154 
Other investments75 75 
Total Other Restricted Investments$3,541 $3,488