| Investments | 4. Investments See Note 1 of the Notes to the Consolidated Financial Statements included in the 2019 Annual Report for a description of the Company’s accounting policies for investments and Note 6 for information about the fair value hierarchy for investments and the related valuation methodologies. In connection with the adoption of new guidance related to the credit losses (see Note 1), effective January 1, 2020, the Company updated its accounting policies on certain investments. Any accounting policy updates required by the new guidance are described in this footnote. Fixed Maturity Securities Available-for-sale Fixed Maturity Securities by Sector Fixed maturity securities by sector were as follows at: March 31, 2020 December 31, 2019 Amortized Allowance for Credit Losses Gross Unrealized Estimated Amortized Allowance for Credit Losses Gross Unrealized Estimated Gains Losses Gains Losses (In millions) U.S. corporate $ 29,146 $ 8 $ 2,343 $ 811 $ 30,670 $ 28,375 $ — $ 2,852 $ 67 $ 31,160 Foreign corporate 9,335 1 352 442 9,244 9,177 — 741 74 9,844 RMBS 8,408 — 544 52 8,900 8,692 — 438 12 9,118 U.S. government and agency 5,669 — 3,257 — 8,926 5,529 — 1,869 2 7,396 CMBS 5,601 — 225 81 5,745 5,500 — 264 9 5,755 State and political subdivision 3,401 — 748 6 4,143 3,358 — 701 2 4,057 ABS 2,170 — 13 156 2,027 1,945 — 21 11 1,955 Foreign government 1,507 1 182 41 1,647 1,503 — 250 2 1,751 Total fixed maturity securities $ 65,237 $ 10 $ 7,664 $ 1,589 $ 71,302 $ 64,079 $ — $ 7,136 $ 179 $ 71,036 The Company held non-income producing fixed maturity securities with an estimated fair value of $1 million at March 31, 2020 . The Company did not hold any non-income producing fixed maturity securities at December 31, 2019 . Maturities of Fixed Maturity Securities The amortized cost and estimated fair value of fixed maturity securities, by contractual maturity date, were as follows at March 31, 2020 : Due in One Year or Less Due After One Year Through Five Years Due After Five Years Through Ten Years Due After Ten Years Structured Securities (1) Total Fixed Maturity Securities (In millions) Amortized cost $ 1,960 $ 7,149 $ 12,984 $ 26,965 $ 16,179 $ 65,237 Estimated fair value $ 1,950 $ 7,100 $ 13,122 $ 32,458 $ 16,672 $ 71,302 _______________ (1) Structured securities include residential mortgage-backed securities (“RMBS”), commercial mortgage-backed securities (“CMBS”) and asset-backed securities (“ABS”) (collectively, “Structured Securities”). Actual maturities may differ from contractual maturities due to the exercise of call or prepayment options. Fixed maturity securities not due at a single maturity date have been presented in the year of final contractual maturity. Structured Securities are shown separately, as they are not due at a single maturity. Continuous Gross Unrealized Losses for Fixed Maturity Securities by Sector The estimated fair value and gross unrealized losses of fixed maturity securities in an unrealized loss position, by sector and by length of time that the securities have been in a continuous unrealized loss position, were as follows at: March 31, 2020 December 31, 2019 Less than 12 Months 12 Months or Greater Less than 12 Months 12 Months or Greater Estimated Fair Value Gross Unrealized Losses Estimated Fair Value Gross Unrealized Losses Estimated Fair Value Gross Unrealized Losses Estimated Fair Value Gross Unrealized Losses (Dollars in millions) U.S. corporate $ 8,683 $ 756 $ 277 $ 55 $ 2,017 $ 44 $ 326 $ 23 Foreign corporate 3,756 318 550 124 576 12 561 62 RMBS 992 50 19 2 857 8 386 4 U.S. government and agency 73 — — — 40 2 — — CMBS 1,560 78 143 3 559 7 171 2 State and political subdivision 136 6 — — 143 2 8 — ABS 1,197 92 522 64 362 2 676 9 Foreign government 493 40 4 1 65 2 — — Total fixed maturity securities $ 16,890 $ 1,340 $ 1,515 $ 249 $ 4,619 $ 79 $ 2,128 $ 100 Total number of securities in an unrealized loss position 2,896 275 720 302 Allowance for Credit Losses for Fixed Maturity Securities Evaluation and Measurement Methodologies For fixed maturity securities in an unrealized loss position, management first assesses whether the Company intends to sell, or whether it is more likely than not it will be required to sell the security before recovery of its amortized cost basis. If either of the criteria regarding intent or requirement to sell is met, the security’s amortized cost basis is written down to estimated fair value through net investment gains (losses). For fixed maturity securities that do not meet the aforementioned criteria, management evaluates whether the decline in estimated fair value has resulted from credit losses or other factors. Inherent in management’s evaluation of the security are assumptions and estimates about the operations of the issuer and its future earnings potential. Considerations used in the allowance for credit loss evaluation process include, but are not limited to: (i) the extent to which estimated fair value is less than amortized cost; (ii) any changes to the rating of the security by a rating agency; (iii) adverse conditions specifically related to the security, industry or geographic area; and (iv) payment structure of the fixed maturity security and the likelihood of the issuer being able to make payments in the future or the issuer’s failure to make scheduled interest and principal payments. If this assessment indicates that a credit loss exists, the present value of cash flows expected to be collected from the security are compared to the amortized cost basis of the security. If the present value of cash flows expected to be collected is less than the amortized cost basis, a credit loss is deemed to exist and an allowance for credit losses is recorded, limited by the amount that the estimated fair value is less than the amortized cost basis, with a corresponding charge to net investment gains (losses). Any unrealized losses that have not been recorded through an allowance for credit losses are recognized in other comprehensive income (loss) (“OCI”). Once a security specific allowance for credit losses is established, the present value of cash flows expected to be collected from the security continues to be reassessed. Any changes in the security specific allowance for credit losses are recorded as a provision for (or reversal of) credit loss expense in net investment gains (losses). Fixed maturity securities are also evaluated to determine whether any amounts have become uncollectible. When all, or a portion, of a security is deemed uncollectible, the uncollectible portion is written-off with an adjustment to amortized cost and a corresponding reduction to the allowance for credit losses. Accrued interest receivables are presented separate from the amortized cost basis of fixed maturity securities. An allowance for credit losses is not estimated on an accrued interest receivable, rather receivable balances 90-days past due are deemed uncollectible and are written off with a corresponding reduction to net investment income. The accrued interest receivable on fixed maturity securities totaled $528 million at March 31, 2020 and is included in accrued investment income. Fixed maturity securities are also evaluated to determine if they qualify as purchased financial assets with credit deterioration (“PCD”). To determine if the credit deterioration experienced since origination is more than insignificant, both (i) the extent of the credit deterioration and (ii) any rating agency downgrades are evaluated. For securities categorized as PCD assets, the present value of cash flows expected to be collected from the security are compared to the par value of the security. If the present value of cash flows expected to be collected is less than the par value, credit losses are embedded in the purchase price of the PCD asset. In this situation, both an allowance for credit losses and amortized cost gross-up is recorded, limited by the amount that the estimated fair value is less than the grossed-up amortized cost basis. Any difference between the purchase price and the present value of cash flows is amortized or accreted into net investment income over the life of the PCD asset. Any subsequent PCD asset allowance for credit losses is evaluated in a manner similar to the process described above for fixed maturity securities. Current Period Evaluation Based on the Company’s current evaluation of its fixed maturity securities in an unrealized loss position and the current intent or requirement to sell, the Company recorded an allowance for credit losses of $10 million , relating to 21 securities at March 31, 2020 Rollforward of the Allowance for Credit Losses for Fixed Maturity Securities by Sector The changes in the allowance for credit losses by sector were as follows: U.S. Corporate Foreign Corporate Foreign Government Total (In millions) Balance at January 1, 2020 $ 3 $ 1 $ — $ 4 Allowance on securities where credit losses were not previously recorded 8 — 1 9 Allowance on securities that had an allowance recorded in a previous period — 1 — 1 Write-offs charged against allowance (1) (3 ) (1 ) — (4 ) Balance at March 31, 2020 $ 8 $ 1 $ 1 $ 10 _______________ (1) The Company recorded total write-offs of $12 million during the three months ended March 31, 2020 . PCD Fixed Maturity Securities The Company did not purchase any PCD fixed maturity securities during the three months ended March 31, 2020 . Mortgage Loans Mortgage Loans by Portfolio Segment Mortgage loans are summarized as follows at: March 31, 2020 December 31, 2019 Carrying Value % of Total Carrying Value % of Total (Dollars in millions) Commercial $ 9,512 61.2 % $ 9,721 61.7 % Agricultural 3,403 21.9 3,388 21.5 Residential 2,701 17.3 2,708 17.2 Total mortgage loans (1) 15,616 100.4 15,817 100.4 Allowance for credit losses (69 ) (0.4 ) (64 ) (0.4 ) Total mortgage loans, net $ 15,547 100.0 % $ 15,753 100.0 % _______________ (1) Purchases of mortgage loans from third parties were $157 million and $477 million for the three months ended March 31, 2020 and 2019 , respectively, and were primarily comprised of residential mortgage loans. Allowance for Credit Losses for Mortgage Loans Evaluation and Measurement Methodologies The allowance for credit losses is a valuation account that is deducted from the mortgage loan’s amortized cost basis to present the net amount expected to be collected on the mortgage loan. The loan balance, or a portion of the loan balance, is written-off against the allowance when management believes this amount is uncollectible. Accrued interest receivables are presented separate from the amortized cost basis of mortgage loans. An allowance for credit losses is not estimated on an accrued interest receivable, rather when a loan is placed in nonaccrual status the associated accrued interest receivable balance is written off with a corresponding reduction to net investment income. The accrued interest receivable on mortgage loans totaled $77 million at March 31, 2020 and is included in accrued investment income. The allowance for credit losses is estimated using relevant available information, from internal and external sources, relating to past events, current conditions, and a reasonable and supportable forecast. Historical credit loss experience provides the basis for estimating expected credit losses. Adjustments to historical loss information are made for differences in current loan-specific risk characteristics and environmental conditions. A reasonable and supportable forecast period of two-years is used with an input reversion period of one-year. Mortgage loans are evaluated in each of the three portfolio segments to determine the allowance for credit losses. The loan-level loss rates are determined using individual loan terms and characteristics, risk pools/internal ratings, national economic forecasts, prepayment speeds, and estimated default and loss severity. The resulting loss rates are applied to the mortgage loan’s amortized cost to generate an allowance for credit losses. In certain situations, the allowance for credit losses is measured as the difference between the loan’s amortized cost and liquidation value of the collateral. These situations include collateral dependent loans, expected troubled debt restructurings (“TDRs”), foreclosure probable loans, and loans with dissimilar risk characteristics. Mortgage loans are also evaluated to determine if they qualify as PCD assets. To determine if the credit deterioration experienced since origination is more than insignificant, the extent of credit deterioration is evaluated. All re-performing/modified loan (“RPL”) pools purchased after December 31, 2019 are determined to have been acquired with evidence of more than insignificant credit deterioration since origination and are classified as PCD assets. RPLs are pools of residential mortgage loans acquired at discounts which have both credit and non-credit components. For PCD mortgage loans, the allowance for credit losses is determined using a similar methodology described above, except the loss-rate is determined at the pool level instead of the individual loan level. The initial allowance for credit losses, determined on a collective basis, is then allocated to the individual loans. The initial amortized cost of the loan is grossed-up to reflect the sum of the loan’s purchase price and allowance for credit losses. The difference between the grossed-up amortized cost basis and the par value of the loan is a noncredit discount, which is accreted into net investment income over the remaining life of the loan. Any subsequent PCD mortgage loan allowance for credit losses is evaluated in a manner similar to the process described above for each of the three portfolio segments. Rollforward of the Allowance for Credit Losses for Mortgage Loans by Portfolio Segment The changes in the allowance for credit losses by portfolio segment were as follows: Commercial Agricultural Residential Total (In millions) Balance at December 31, 2019 $ 47 $ 10 $ 7 $ 64 Cumulative effect of change in accounting principle (20 ) 7 15 2 Balance at January 1, 2020 27 17 22 66 Current period provision — 1 2 3 Balance at March 31, 2020 $ 27 $ 18 $ 24 $ 69 PCD Mortgage Loans The Company did not purchase any PCD mortgage loans during the three months ended March 31, 2020 . Credit Quality of Mortgage Loans by Portfolio Segment The amortized cost of mortgage loans by year of origination and credit quality indicator was as follows at: 2020 2019 2018 2017 2016 Prior Total (In millions) March 31, 2020 Commercial mortgage loans Loan-to-value ratios: Less than 65% $ — $ 1,829 $ 1,409 $ 717 $ 1,126 $ 3,448 $ 8,529 65% to 75% — 161 200 195 100 143 799 76% to 80% — — — 13 30 141 184 Total commercial mortgage loans — 1,990 1,609 925 1,256 3,732 9,512 Agricultural mortgage loans Loan-to-value ratios: Less than 65% 66 563 815 440 459 841 3,184 65% to 75% 2 86 16 61 36 7 208 Greater than 80% — — 11 — — — 11 Total agricultural mortgage loans 68 649 842 501 495 848 3,403 Residential mortgage loans Performing 50 476 637 144 45 1,309 2,661 Nonperforming — — 1 — 1 38 40 Total residential mortgage loans 50 476 638 144 46 1,347 2,701 Total $ 118 $ 3,115 $ 3,089 $ 1,570 $ 1,797 $ 5,927 $ 15,616 The loan-to-value ratio is a measure commonly used to assess the quality of commercial and agricultural mortgage loans. The loan-to-value ratio compares the amount of the loan to the estimated fair value of the underlying property collateralizing the loan and is commonly expressed as a percentage. A loan-to-value ratio less than 100% indicates an excess of collateral value over the loan amount. Loan-to-value ratios greater than 100% indicate that the loan amount exceeds the collateral value. Performing status is a measure commonly used to assess the quality of residential mortgage loans. A loan is considered performing when the borrower makes consistent and timely payments. The amortized cost of commercial mortgage loans by debt-service coverage ratio was as follows at: March 31, 2020 December 31, 2019 Amortized Cost % of Total Amortized Cost % of Total (Dollars in millions) Debt-Service Coverage Ratios: Greater than 1.20x $ 9,141 96.1 % $ 9,257 95.2 % 1.00x - 1.20x 298 3.1 298 3.1 Less than 1.00x 73 0.8 166 1.7 Total $ 9,512 100.0 % $ 9,721 100.0 % The debt-service coverage ratio compares a property’s net operating income to its debt-service payments. Debt-service coverage ratios less than 1.00 times indicate that property operations do not generate enough income to cover the loan’s current debt payments. A debt-service coverage ratio greater than 1.00 times indicates an excess of net operating income over the debt-service payments. Past Due Mortgage Loans by Portfolio Segment The Company has a high-quality, well-performing mortgage loan portfolio, with over 99% of all mortgage loans classified as performing at both March 31, 2020 and December 31, 2019 . Delinquency is defined consistent with industry practice, when mortgage loans are past due as follows: commercial and residential mortgage loans — 60 days and agricultural mortgage loans — 90 days. To the extent a payment deferral is agreed to with a borrower, in response to the COVID-19 pandemic, the impacted loans will not be considered past due during the period of deferral. The aging of the amortized cost of past due mortgage loans by portfolio segment was as follows at: March 31, 2020 Commercial Agricultural Residential Total (In millions) Current $ 9,512 $ 3,374 $ 2,659 $ 15,545 30-59 days past due — 5 2 7 60-89 days past due — 3 13 16 90-179 days past due — — 13 13 180+ days past due — 21 14 35 Total $ 9,512 $ 3,403 $ 2,701 $ 15,616 Mortgage Loans in Nonaccrual Status by Portfolio Segment Mortgage loans are placed in a nonaccrual status if there are concerns regarding collectability of future payments or the loan is past due, unless the past due loan is well collateralized and in the process of foreclosure. To the extent a payment deferral is agreed to with a borrower in response to the COVID-19 pandemic, the impacted loans will not be reported as in a nonaccrual status during the period of deferral. Mortgage loans in a nonaccrual status by portfolio segment were as follows at: Commercial (2) Agricultural (2) Residential (2) Total (2) (In millions) Amortized cost at December 31, 2019 $ — $ 21 $ 37 $ 58 Amortized cost at March 31, 2020 (1) $ — $ 1 $ 40 $ 41 _______________ (1) All mortgage loans in nonaccrual status had a related allowance for credit losses. (2) The Company had $20 million of agricultural mortgage loans that were 90 days or more past due but were not in a nonaccrual status for the three months ended March 31, 2020 . Current period investment income on mortgage loans in nonaccrual status was less than $1 million for the three months ended March 31, 2020 Modified Mortgage Loans by Portfolio Segment Under certain circumstances, modifications are granted to non-performing mortgage loans. Each modification is evaluated to determine if a TDR has occurred. A modification is a TDR when the borrower is in financial difficulty and the creditor makes concessions. Generally, the types of concessions may include reducing the amount of debt owed, reducing the contractual interest rate, extending the maturity date at an interest rate lower than current market interest rates and/or reducing accrued interest. The Company did not have a significant amount of mortgage loans modified in a troubled debt restructuring during the three months ended March 31, 2020 . Other Invested Assets Over 90% of other invested assets is comprised of freestanding derivatives with positive estimated fair values. See Note 5 for information about freestanding derivatives with positive estimated fair values. Other invested assets also includes tax credit and renewable energy partnerships, leveraged leases and Federal Home Loan Bank stock. Leveraged Leases The carrying value of leveraged leases at March 31, 2020 and December 31, 2019 was $51 million and $64 million , respectively, net of allowance for credit losses of $13 million and $0 , respectively. Rental receivables are generally due in periodic installments. The payment periods for leveraged leases generally range from one to 15 years. For rental receivables, the primary credit quality indicator is whether the rental receivable is performing or nonperforming, which is assessed monthly. Nonperforming rental receivables are generally defined as those that are 90 days or more past due. At both March 31, 2020 and December 31, 2019 , all leveraged leases were performing. Net Unrealized Investment Gains (Losses) Unrealized investment gains (losses) on fixed maturity securities and the effect on DAC, VOBA, deferred sales inducements (“DSI”) and future policy benefits, that would result from the realization of the unrealized gains (losses), are included in net unrealized investment gains (losses) in AOCI. The components of net unrealized investment gains (losses), included in AOCI, were as follows at: March 31, 2020 December 31, 2019 (In millions) Fixed maturity securities $ 6,075 $ 6,957 Derivatives 803 245 Other (20 ) (13 ) Subtotal 6,858 7,189 Amounts allocated from: Future policy benefits (3,192 ) (2,692 ) DAC, VOBA and DSI (254 ) (341 ) Subtotal (3,446 ) (3,033 ) Deferred income tax benefit (expense) (717 ) (873 ) Net unrealized investment gains (losses) $ 2,695 $ 3,283 The changes in net unrealized investment gains (losses) were as follows: Three Months Ended (In millions) Balance at December 31, 2019 $ 3,283 Unrealized investment gains (losses) during the period (331 ) Unrealized investment gains (losses) relating to: Future policy benefits (500 ) DAC, VOBA and DSI 87 Deferred income tax benefit (expense) 156 Balance at March 31, 2020 $ 2,695 Change in net unrealized investment gains (losses) $ (588 ) Securities Lending Elements of the securities lending program are presented below at: March 31, 2020 December 31, 2019 (In millions) Securities on loan: (1) Amortized cost $ 1,961 $ 2,031 Estimated fair value $ 3,468 $ 2,996 Cash collateral received from counterparties (2) $ 3,584 $ 3,074 Reinvestment portfolio — estimated fair value $ 3,642 $ 3,174 _______________ (1) Included within fixed maturity securities. (2) Included within payables for collateral under securities loaned and other transactions. The cash collateral liability by loaned security type and remaining tenor of the agreements were as follows at: March 31, 2020 December 31, 2019 Remaining Tenor of Securities Lending Agreements Remaining Tenor of Securities Lending Agreements Open (1) 1 Month or Less 1 to 6 Months Total Open (1) 1 Month or Less 1 to 6 Months Total (In millions) U.S. government and agency $ 1,197 $ 1,511 $ 876 $ 3,584 $ 1,279 $ 1,094 $ 701 $ 3,074 _______________ (1) The related loaned security could be returned to the Company on the next business day which would require the Company to immediately return the cash collateral. If the Company is required to return significant amounts of cash collateral on short notice and is forced to sell securities to meet the return obligation, it may have difficulty selling such collateral that is invested in securities in a timely manner, be forced to sell securities in a volatile or illiquid market for less than what otherwise would have been realized under normal market conditions, or both. The estimated fair value of the securities on loan related to the cash collateral on open at March 31, 2020 was $1.2 billion , all of which were U.S. government and agency securities which, if put back to the Company, could be immediately sold to satisfy the cash requirement. The reinvestment portfolio acquired with the cash collateral consisted principally of fixed maturity securities (including agency RMBS, U.S. and foreign corporate securities, ABS, non-agency RMBS and U.S. government and agency securities) with 62% invested in agency RMBS, cash and cash equivalents and U.S. government and agency securities at March 31, 2020 Invested Assets on Deposit, Held in Trust and Pledged as Collateral Invested assets on deposit, held in trust and pledged as collateral at estimated fair value were as follows at: March 31, 2020 December 31, 2019 (In millions) Invested assets on deposit (regulatory deposits) (1) $ 9,390 $ 9,349 Invested assets held in trust (reinsurance agreements) (2) 5,052 4,561 Invested assets pledged as collateral (3) 3,279 3,641 Total invested assets on deposit, held in trust and pledged as collateral $ 17,721 $ 17,551 _______________ (1) The Company has assets, primarily fixed maturity securities, on deposit with governmental authorities relating to certain policyholder liabilities, of which $70 million and $69 million of the assets on deposit represents restricted cash and cash equivalents at March 31, 2020 and December 31, 2019 , respectively. (2) The Company has assets, primarily fixed maturity securities, held in trust relating to certain reinsurance transactions, of which $77 million and $124 million of the assets held in trust balance represents restricted cash and cash equivalents at March 31, 2020 and December 31, 2019 , respectively. (3) The Company has pledged invested assets in connection with various agreements and transactions, including funding agreements (see Note 3 of the Notes to the Consolidated Financial Statements included in the 2019 Annual Report) and derivative transactions (see Note 5 ). See “— Securities Lending” for information regarding securities on loan. Variable Interest Entities The Company has invested in legal entities that are variable interest entities (“VIEs”). VIEs are consolidated when the investor is the primary beneficiary. A primary beneficiary is the variable interest holder in a VIE with both the power to (i) direct the activities of the VIE that most significantly impact the economic performance of the VIE and (ii) the obligation to absorb losses or the right to receive benefits that could potentially be significant to the VIE. There were no material VIEs for which the Company has concluded that it is the primary beneficiary at March 31, 2020 or December 31, 2019 . The carrying amount and maximum exposure to loss related to the VIEs for which the Company has concluded that it holds a variable interest, but is not the primary beneficiary, were as follows at: March 31, 2020 December 31, 2019 Carrying Maximum to Loss Carrying Maximum (In millions) Fixed maturity securities $ 12,696 $ 12,254 $ 13,094 $ 12,454 Limited partnerships and LLCs 2,021 3,251 1,907 3,080 Total $ 14,717 $ 15,505 $ 15,001 $ 15,534 The Company’s investments in unconsolidated VIEs are described below. Fixed Maturity Securities The Company invests in U.S. corporate bonds, foreign corporate bonds, and Structured Securities issued by VIEs. The Company is not obligated to provide any financial or other support to these VIEs, other than the original investment. The Company’s involvement with these entities is limited to that of a passive investor. The Company has no unilateral right to appoint or remove the servicer, special servicer, or investment manager, which are generally viewed as having the power to direct the activities that most significantly impact the economic performance of the VIE, nor does the Company function in any of these roles. The Company does not have the obligation to absorb losses or the right to receive benefits from the entity that could potentially be significant to the entity; as a result, the Company has determined it is not the primary beneficiary, or consolidator, of the VIE. The Company’s maximum exposure to loss on these fixed maturity securities is limited to the amortized cost of these investments. See “— Fixed Maturity Securities Available-for-sale” for information on these securities. Limited Partnerships and LLCs The Company holds investments in certain limited partnerships and LLCs which are VIEs. These ventures include limited partnerships, LLCs, private equity funds, hedge funds, and to a lesser extent tax credit and renewable energy partnerships. The Company is not considered the primary beneficiary, or consolidator, when its involvement takes the form of a limited partner interest and is restricted to a role of a passive investor, as a limited partner’s interest does not provide the Company with any substantive kick-out or participating rights, nor does it provide the Company with the power to direct the activities of the fund. The Company’s maximum exposure to loss on these investments is limited to: (i) the amount invested in debt or equity of the VIE and (ii) commitments to the VIE, as described in Note 10. Net Investment Income The components of net investment income were as follows: Three Months Ended 2020 2019 (In millions) Investment income: Fixed maturity securities $ 669 $ 653 Equity securities 2 3 Mortgage loans 166 159 Policy loans 12 16 Limited partnerships and LLCs (1) 82 8 Cash, cash equivalents and short-term investments 23 14 Other 14 13 Total investment income 968 866 Less: Investment expenses 52 55 Net investment income $ 916 $ 811 _______________ (1) Includes net investment income pertaining to other limited partnership interests of $73 million and $0 for the three months ended March 31, 2020 and 2019 , respectively. Net Investment Gains (Losses) Components of Net Investment Gains (Losses) The components of net investment gains (losses) were as follows: Three Months Ended 2020 2019 (In millions) Fixed maturity securities $ (6 ) $ (15 ) Equity securities (14 ) 10 Mortgage loans (4 ) (4 ) Limited partnerships and LLCs (1 ) (3 ) Other 6 1 Total net investment gains (losses) $ (19 ) $ (11 ) Sales or Disposals of Fixed Maturity Securities Investment gains and losses on sales of securities are determined on a specific identification basis. Proceeds from sales or disposals of fixed maturity securities and the components of fixed maturity securities net investment gains (losses) were as follows: Three Months Ended 2020 2019 (In millions) Proceeds $ 649 $ 3,279 Gross investment gains $ 17 $ 67 Gross investment losses (6 ) (82 ) Net investment gains (losses) $ 11 $ (15 ) |
