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Fair Value of Assets and Liabilities
3 Months Ended
Mar. 31, 2021
Fair Value Disclosures [Abstract]  
Fair Value of Assets and Liabilities FAIR VALUE OF ASSETS AND LIABILITIES
 
Fair Value Measurement—Fair value represents the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The authoritative fair value guidance establishes a framework for measuring fair value that includes a hierarchy used to classify the inputs used in measuring fair value. The level in the fair value hierarchy within which the fair value measurement falls is determined based on the lowest level input that is significant to the fair value measurement. The levels of the fair value hierarchy are as follows:
 
Level 1—Fair value is based on unadjusted quoted prices in active markets that are accessible to the Company for identical assets or liabilities.

Level 2—Fair value is based on significant inputs, other than quoted prices included in Level 1, that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the asset or liability through corroboration with observable market data. Level 2 inputs include quoted market prices in active markets for similar assets and liabilities, quoted market prices in markets that are not active for identical or similar assets or liabilities, and other market observable inputs.
Level 3—Fair value is based on at least one significant unobservable input for the asset or liability. The assets and liabilities in this category may require significant judgment or estimation in determining the fair value.

For a discussion of Company’s valuation methodologies for assets and liabilities measured at fair value and the fair value hierarchy, see Note 6 to the Consolidated Financial Statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2020.

Assets and Liabilities by Hierarchy Level—The tables below present the balances of assets and liabilities reported at fair value on a recurring basis, as of the dates indicated.
 As of March 31, 2021
 Level 1Level 2Level 3Netting(1)Total
 (in millions)
Fixed maturities, available-for-sale:
U.S. Treasury securities and obligations of U.S. government authorities and agencies$$27,478 $150 $$27,628 
Obligations of U.S. states and their political subdivisions12,085 12,089 
Foreign government bonds102,473 11 102,484 
U.S. corporate public securities105,911 64 105,975 
U.S. corporate private securities(2)37,146 2,202 39,348 
Foreign corporate public securities28,296 144 28,440 
Foreign corporate private securities27,612 2,867 30,479 
Asset-backed securities(3)12,926 709 13,635 
Commercial mortgage-backed securities15,415 10 15,425 
Residential mortgage-backed securities2,982 111 3,093 
Subtotal372,324 6,272 378,596 
Assets supporting experience-rated contractholder liabilities:
U.S. Treasury securities and obligations of U.S. government authorities and agencies209 209 
Obligations of U.S. states and their political subdivisions213 213 
Foreign government bonds977 19 996 
Corporate securities14,592 538 15,130 
Asset-backed securities(3)1,847 219 2,066 
Commercial mortgage-backed securities1,773 1,773 
Residential mortgage-backed securities915 915 
Equity securities911 1,385 2,296 
All other(4)378 20 398 
Subtotal911 22,289 796 23,996 
Fixed maturities, trading5,960 242 6,202 
Equity securities6,370 1,250 728 8,348 
Commercial mortgage and other loans500 500 
Other invested assets(5)99 14,280 378 (12,532)2,225 
Short-term investments409 3,499 396 4,304 
Cash equivalents1,640 5,357 7,001 
Other assets144 144 
Separate account assets(6)(7)54,579 247,020 1,306 302,905 
Total assets$64,008 $672,479 $10,266 $(12,532)$734,221 
Future policy benefits(8)$$$11,314 $$11,314 
Policyholders’ account balances2,171 2,171 
Other liabilities85 19,851 (18,781)1,155 
Notes issued by consolidated VIEs
Total liabilities$85 $19,851 $13,485 $(18,781)$14,640 
 
 As of December 31, 2020
 Level 1Level 2Level 3Netting(1)Total
 (in millions)
Fixed maturities, available-for-sale:
U.S. Treasury securities and obligations of U.S. government authorities and agencies$$40,298 $150 $$40,448 
Obligations of U.S. states and their political subdivisions12,807 12,811 
Foreign government bonds110,233 11 110,244 
U.S. corporate public securities113,486 69 113,555 
U.S. corporate private securities(2)38,689 2,248 40,937 
Foreign corporate public securities29,384 153 29,537 
Foreign corporate private securities28,727 2,865 31,592 
Asset-backed securities(3)14,068 523 14,591 
Commercial mortgage-backed securities16,294 16,303 
Residential mortgage-backed securities2,876 11 2,887 
Subtotal406,862 6,043 412,905 
Assets supporting experience-rated contractholder liabilities:
U.S. Treasury securities and obligations of U.S. government authorities and agencies212 212 
Obligations of U.S. states and their political subdivisions231 231 
Foreign government bonds926 19 945 
Corporate securities14,990 482 15,472 
Asset-backed securities(3)1,583 114 1,697 
Commercial mortgage-backed securities1,839 1,839 
Residential mortgage-backed securities1,018 1,018 
Equity securities1,784 259 2,043 
All other(4)50 549 20 619 
Subtotal1,834 21,607 635 24,076 
Fixed maturities, trading3,671 243 3,914 
Equity securities6,207 1,131 660 7,998 
Commercial mortgage and other loans1,092 1,092 
Other invested assets(5)227 23,045 366 (21,367)2,271 
Short-term investments405 5,728 177 6,310 
Cash equivalents1,476 4,005 5,482 
Other assets268 268 
Separate account assets(6)(7)51,826 250,623 1,821 304,270 
Total assets$61,975 $717,764 $10,214 $(21,367)$768,586 
Future policy benefits(8)$$$18,879 $$18,879 
Policyholders’ account balances1,914 1,914 
Other liabilities3217,828 (17,475)385
Notes issued by consolidated VIEs
Total liabilities$32 $17,828 $20,793 $(17,475)$21,178 
__________
(1)“Netting” amounts represent cash collateral of $(6,249) million and $3,892 million as of March 31, 2021 and December 31, 2020, respectively.
(2)Excludes notes with fair value of $5,774 million (carrying amount of $5,766 million) and $6,100 million (carrying amount of $5,966 million) as of March 31, 2021 and December 31, 2020, respectively, which have been offset with the associated payables under a netting agreement.
(3)Includes credit-tranched securities collateralized by syndicated bank loans, sub-prime mortgages, auto loans, credit cards, education loans and other asset types.
(4)All other represents cash equivalents and short-term investments.
(5)Other invested assets excluded from the fair value hierarchy include certain hedge funds, private equity funds and other funds for which fair value is measured at net asset value (“NAV”) per share (or its equivalent) as a practical expedient. As of March 31, 2021 and December 31, 2020, the fair values of such investments were $4,379 million and $4,136 million respectively.
(6)Separate account assets included in the fair value hierarchy exclude investments in entities that calculate NAV per share (or its equivalent) as a practical expedient. Such investments excluded from the fair value hierarchy include investments in real estate, hedge funds and other invested assets. As of March 31, 2021 and December 31, 2020, the fair value of such investments was $23,538 million and $23,007 million, respectively.
(7)Separate account assets represent segregated funds that are invested for certain customers. Investment risks associated with market value changes are borne by the customers, except to the extent of minimum guarantees made by the Company with respect to certain accounts. Separate account liabilities are not included in the above table as they are reported at contract value and not fair value in the Company’s Unaudited Interim Consolidated Statements of Financial Position.
(8)As of March 31, 2021, the net embedded derivative liability position of $11.3 billion includes $0.8 billion of embedded derivatives in an asset position and $12.1 billion of embedded derivatives in a liability position. As of December 31, 2020, the net embedded derivative liability position of $18.9 billion includes $0.5 billion of embedded derivatives in an asset position and $19.4 billion of embedded derivatives in a liability position.

Quantitative Information Regarding Internally-Priced Level 3 Assets and Liabilities—The tables below present quantitative information on significant internally-priced Level 3 assets and liabilities.
 As of March 31, 2021

Fair ValueValuation
Techniques
Unobservable InputsMinimumMaximumWeighted
Average
Impact of
Increase in
Input on
Fair
Value(1)
 (in millions)
Assets:
Corporate securities(2)(3)$4,486 Discounted
cash flow(5)
Discount rate0.40%30%4.90%Decrease
Market comparablesEBITDA multiples(4)7.3X15.0X10.4XIncrease
  LiquidationLiquidation value12.86%71.23%58.29%Increase
Equity securities$236 Discounted
cash flow(5)
Discount rate0.5%20%Decrease
Market comparablesEBITDA multiples(4)0.1X7.3X0.9XIncrease
Net Asset ValueShare price$12$1,414$472Increase
Separate account assets-commercial mortgage loans(6)$162 Discounted
cash flow
Spread1.10%2.27%1.25%Decrease
Liabilities:
Future policy benefits(7)$11,314 Discounted
cash flow
Lapse rate(9)1%20%Decrease
Spread over LIBOR(10)0.09%1.14%Decrease
Utilization rate(11)39%96%Increase
Withdrawal rateSee table footnote (12) below.
Mortality rate(13)0%15%Decrease
   Equity volatility curve17%25% Increase
Policyholders’ account balances(8)$2,171 Discounted
cash flow
Lapse rate(9)1%42%Decrease
Spread over LIBOR(10)0.09%1.14%Decrease
Mortality rate(13)0%24%Decrease
Equity volatility curve6%42%Increase
 
 As of December 31, 2020

Fair ValueValuation
Techniques
Unobservable InputsMinimumMaximumWeighted
Average
Impact of
Increase in
Input on
Fair
Value(1)
 (in millions)
Assets:
Corporate securities(2)(3)$3,697 Discounted 
cash flow(5)
Discount rate0.40%25%4.28%Decrease
Market comparablesEBITDA multiples(4)7.0X15.0X9.0XIncrease
  LiquidationLiquidation value12.13%15.00%13.02%Increase
Equity securities$195 Discounted 
cash flow(5)
Discount rate0.5%20%Decrease
Market comparablesEBITDA multiples(4)1X8.8X3.3XIncrease
Net Asset ValueShare price$1$1,414$495Increase
Separate account assets-commercial mortgage loans(6)$775 Discounted
cash flow
Spread1.60%2.98%1.80%Decrease
Liabilities:
Future policy benefits(7)$18,879 Discounted
cash flow
Lapse rate(9)1%20%Decrease
Spread over LIBOR(10)0.06%1.17%Decrease
Utilization rate(11)39%96%Increase
Withdrawal rateSee table footnote (12) below.
Mortality rate(13)0%15%Decrease
   Equity volatility curve18%26% Increase
Policyholders’ account balances(8)$1,914 Discounted
cash flow
Lapse rate(9)1%42%Decrease
Spread over LIBOR(10)0.06%1.17%Decrease
Mortality rate(13)0%24%Decrease
Equity volatility curve6%42%Increase
__________ 
(1)Conversely, the impact of a decrease in input would have the opposite impact on fair value as that presented in the table.
(2)Includes assets classified as fixed maturities available-for-sale, assets supporting experience-rated contractholder liabilities and fixed maturities trading.
(3)Excludes notes which have been offset with the associated payables under a netting agreement.
(4)Represents multiples of earnings before interest, taxes, depreciation and amortization (“EBITDA”), and are amounts used when the Company has determined that market participants would use such multiples when valuing the investments.
(5)For these investments, a range of discount rates is typically used (10% to 20%) and is therefore a more meaningful representation of the unobservable inputs used in the valuation rather than weighted average.
(6)Changes in the fair value of separate account assets are borne by customers and thus are offset by changes in separate account liabilities on the Company’s Unaudited Interim Consolidated Statements of Financial Position. As a result, changes in value associated with these investments are not reflected in the Company’s Unaudited Interim Consolidated Statements of Operations.
(7)Future policy benefits primarily represent general account liabilities for the living benefit features of the Company’s variable annuity contracts which are accounted for as embedded derivatives. Since the valuation methodology for these liabilities uses a range of inputs that vary at the contract level over the cash flow projection period, presenting a range, rather than weighted average, is a more meaningful representation of the unobservable inputs used in the valuation.
(8)Policyholders’ account balances primarily represent general account liabilities for the index-linked interest credited on certain of the Company’s life and annuity products that are accounted for as embedded derivatives. Since the valuation methodology for these liabilities uses a range of inputs that vary at the contract level over the cash flow projection period, presenting a range, rather than weighted average, is a more meaningful representation of the unobservable inputs used in the valuation.
(9)Lapse rates for contracts with living benefit guarantees are adjusted at the contract level based on the in-the-moneyness of the living benefit and reflect other factors, such as the applicability of any surrender charges. Lapse rates are reduced when contracts are more in-the-money. Lapse rates for contracts with index-linked crediting guarantees may be adjusted at the contract level based on the applicability of any surrender charges, product type, and market related factors such as interest rates. Lapse rates are also generally assumed to be lower for the period where surrender charges apply. For any given contract, lapse rates vary throughout the period over which cash flows are projected for the purposes of valuing these embedded derivatives.
(10)The spread over the London Inter-Bank Offered Rate (“LIBOR”) swap curve represents the premium added to the proxy for the risk-free rate (LIBOR) to reflect the Company’s estimates of rates that a market participant would use to value the living benefits in both the accumulation and payout phases and index-linked interest crediting guarantees. This spread includes an estimate of NPR, which is the risk that the obligation will not be fulfilled by the Company. NPR is primarily estimated by utilizing the credit spreads associated with issuing funding agreements, adjusted for any illiquidity risk premium. In order to reflect the financial strength ratings of the Company, credit spreads associated with funding agreements, as opposed to credit spread associated with debt, are utilized in developing this estimate because funding agreements, living benefit guarantees, and index-linked interest crediting guarantees are insurance liabilities and are therefore senior to debt.
(11)The utilization rate assumption estimates the percentage of contracts that will utilize the benefit during the contract duration and begin lifetime withdrawals at various time intervals from contract inception. The remaining contractholders are assumed to either begin lifetime withdrawals immediately or never utilize the benefit. Utilization assumptions may vary by product type, tax status and age. The impact of changes in these assumptions is highly dependent on the product type, the age of the contractholder at the time of the sale and the timing of the first lifetime income withdrawal. Range reflects the utilization rate for the vast majority of business with living benefits.
(12)The withdrawal rate assumption estimates the magnitude of annual contractholder withdrawals relative to the maximum allowable amount under the contract. These assumptions vary based on the age of the contractholder, the tax status of the contract and the duration since the contractholder began lifetime withdrawals. As of March 31, 2021 and December 31, 2020, the minimum withdrawal rate assumption is 76% and the maximum withdrawal rate assumption may be greater than 100%. The fair value of the liability will generally increase the closer the withdrawal rate is to 100% and decrease as the withdrawal rate moves further away from 100%.
(13)The range reflects the mortality rates for the vast majority of business with living benefits and other contracts, with policyholders ranging from 45 to 90 years old. While the majority of living benefits have a minimum age requirement, certain other contracts do not have an age restriction. This results in contractholders with mortality rates approaching 0% for certain benefits. Mortality rates may vary by product, age, and duration. A mortality improvement assumption is also incorporated into the overall mortality table.

Interrelationships Between Unobservable InputsIn addition to the sensitivities of fair value measurements to changes in each unobservable input in isolation, as reflected in the table above, interrelationships between these inputs may also exist, such that a change in one unobservable input may give rise to a change in another or multiple inputs. Examples of such interrelationships for significant internally-priced Level 3 assets and liabilities are as follows:

Corporate Securities—The rate used to discount future cash flows reflects current risk-free rates plus credit and liquidity spread requirements that market participants would use to value an asset. The discount rate may be influenced by many factors, including market cycles, expectations of default, collateral, term, and asset complexity. Each of these factors can influence discount rates, either in isolation, or in response to other factors. During weaker economic cycles, as the expectations of default increases, credit spreads widen, which results in a decrease in fair value.

Asset-Backed Securities—Interrelationships may exist between the prepayment rate, the default rate and/or loss severity, depending on specific market conditions. In stronger economic cycles, prepayment rates are generally driven by overall market interest rates and accompanied by lower default rates and loss severity. During weaker economic cycles, prepayments may decline, as default rates and loss severity increase. Additionally, the impact of these factors on average life varies with the structure and subordination. Generally, a change in the assumption used for the probability of default would have been accompanied by a directionally similar change in the assumption used for the loss severity and a directionally opposite change in the assumption used for prepayment rates.

Future Policy Benefits—The Company expects efficient benefit utilization and withdrawal rates to generally be correlated with lapse rates. However, behavior is highly dependent on the facts and circumstances surrounding the individual contractholder, such as their liquidity needs or tax situation, which could drive lapse behavior independent of other contractholder behavior assumptions. To the extent that more efficient contractholder behavior results in greater in-the-moneyness at the contract level, lapse rates may decline for those contracts. Similarly, to the extent that increases in equity volatility are correlated with overall declines in the capital markets, lapse rates may decline as contracts become more in-the-money.

Changes in Level 3 Assets and Liabilities—The following tables describe changes in fair values of Level 3 assets and liabilities as of the dates indicated, as well as the portion of gains or losses included in income attributable to unrealized gains or losses related to those assets and liabilities still held at the end of their respective periods. When a determination is made to classify assets and liabilities within Level 3, the determination is based on significance of the unobservable inputs in the overall fair value measurement. All transfers are based on changes in the observability of the valuation inputs, including the availability of pricing service information that the Company can validate. Transfers into Level 3 are generally the result of unobservable inputs utilized within valuation methodologies and the use of indicative broker quotes for assets that were previously valued using observable inputs. Transfers out of Level 3 are generally due to the use of observable inputs in valuation methodologies as well as the availability of pricing service information for certain assets that the Company can validate.
 Three Months Ended March 31, 2021
Fair Value, beginning of periodTotal realized and unrealized gains (losses)PurchasesSalesIssuancesSettlementsOther(1)Transfers into
Level 3
Transfers out of Level 3Fair Value, end of periodUnrealized gains (losses) for assets still held(2)
(in millions)
Fixed maturities, available-for-sale:
U.S. government$150 $$$$$$$$$150 $
U.S. states
Foreign government11 11 
Corporate securities(3)5,335 (345)243 (177)219 5,277 (361)
Structured securities(4)543 19 219 (74)12 311 (200)830 19 
Assets supporting experience-rated contractholder liabilities:
Foreign government19 19 
Corporate securities(3)482 (7)14 (19)68 538 (14)
Structured securities(4)114 (3)137 (11)(18)219 (3)
Equity securities
All other activity20 20 
Other assets:
Fixed maturities, trading243 (2)242 
Equity securities660 38 58 (3)(3)(22)728 35 
Other invested assets366 12 378 13 
Short-term investments177 (1)256 (10)(26)396 (1)
Cash equivalents
Other assets268 (133)12 (3)144 (133)
Separate account assets(5)1,821 43 68 (13)(6)(615)22 (14)1,306 36 
Liabilities:
Future policy benefits(18,879)7,896 (331)(11,314)7,681 
Policyholders’ account balances(6)(1,914)(135)(122)(2,171)(99)
Other liabilities
Notes issued by consolidated VIEs

 Three Months Ended March 31, 2021
Total realized and unrealized gains (losses)Unrealized gains (losses) for assets still held(2)
Realized investment gains (losses), netOther income (loss)Interest credited to policyholders’ account balancesIncluded in other comprehensive income (loss)Net investment incomeRealized investment gains (losses), netOther income (loss)Interest credited to policyholders’ account balancesIncluded in other comprehensive income (loss)
(in millions)
Fixed maturities, available-for-sale$(28)$$$(300)$$(41)$$$(301)
Assets supporting experience-rated contractholder liabilities(12)(17)
Other assets:
Fixed maturities, trading
Equity securities38 35 
Other invested assets11 12 
Short-term investments(1)(1)
Cash equivalents
Other assets(133)(133)
Separate account assets(5)43 36 
Liabilities:
Future policy benefits7,896 7,681 
Policyholders’ account balances(135)(99)
Other liabilities
Notes issued by consolidated VIEs
 Three Months Ended March 31, 2020
Fair Value, beginning of periodTotal realized and unrealized gains (losses)PurchasesSalesIssuancesSettlementsOther(1)Transfers into
Level 3
Transfers out of Level 3Fair Value, end of periodUnrealized gains (losses) for assets still held(2)
(in millions)
Fixed maturities, available-for-sale:
U.S. government$105 $$10 $$$$$$$115 $
U.S. states
Foreign government22 (1)21 
Corporate securities(3)3,236 (500)294 (113)(235)1,827 (14)4,496 (492)
Structured securities(4)948 (7)315 (17)(100)155 12 (358)948 (16)
Assets supporting experience-rated contractholder liabilities:
Foreign government24 24 
Corporate securities(3)637 (46)(10)(45)63 603 (44)
Structured securities(4)69 (4)116 (4)177 
Equity securities
All other activity
Other assets:
Fixed maturities, trading287 (15)18 (6)(2)15 (48)249 (16)
Equity securities633 (44)(5)594 (44)
Other invested assets567 27 (1)(20)581 
Short-term investments155 43 (110)(37)53 
Cash equivalents131 (130)
Other assets113 252 17 382 252 
Separate account assets(5)1,717 (140)56 (13)(18)(81)1,528 (128)
Liabilities:
Future policy benefits(12,831)(14,789)(319)(27,935)(14,923)
Policyholders’ account balances(6)(1,316)206 (96)(1,206)209 
Other liabilities(105)58 (47)58 
Notes issued by consolidated VIEs(800)(799)

 Three Months Ended March 31, 2020
Total realized and unrealized gains (losses)Unrealized gains (losses) for assets still held(2)
Realized investment gains (losses), netOther income (loss)Interest credited to policyholders’ account balancesIncluded in other comprehensive income (loss)Net investment incomeRealized investment gains (losses), netOther income (loss)Interest credited to policyholders’ account balancesIncluded in other comprehensive income (losses)
(in millions)
Fixed maturities, available-for-sale$(27)$$$(483)$$(27)$$$(481)
Assets supporting experience-rated contractholder liabilities(47)(3)(44)
Other assets:
Fixed maturities, trading(15)(16)
Equity securities(44)(44)
Other invested assets
Short-term investments
Cash equivalents
Other assets252 252 
Separate account assets(5)(140)(128)
Liabilities:
Future policy benefits(14,789)(14,923)
Policyholders’ account balances206 209 
Other liabilities58 58 
Notes issued by consolidated VIEs
__________
(1)“Other,” for the periods ended March 31, 2021 and March 31, 2020, primarily represents the deconsolidation of VIEs, reclassifications of certain assets between reporting categories and foreign currency translation.
(2)Unrealized gains or losses related to assets still held at the end of the period do not include amortization or accretion of premiums and discounts.
(3)Includes U.S. corporate public, U.S. corporate private, foreign corporate public and foreign corporate private securities.
(4)Includes asset-backed, commercial mortgage-backed and residential mortgage-backed securities.
(5)Separate account assets represent segregated funds that are invested for certain customers. Investment risks associated with market value changes are borne by the customers, except to the extent of minimum guarantees made by the Company with respect to certain accounts. Separate account liabilities are not included in the above table as they are reported at contract value and not fair value in the Company’s Unaudited Interim Consolidated Statements of Financial Position.
(6)Issuances and settlements for Policyholders’ account balances are presented net in the rollforward.
Derivative Fair Value Information
 
The following tables present the balances of derivative assets and liabilities measured at fair value on a recurring basis, as of the date indicated, by primary underlying risk. These tables include NPR and exclude embedded derivatives and associated reinsurance recoverables. The derivative assets and liabilities shown below are included in “Other invested assets” or “Other liabilities” in the tables contained within the sections “—Assets and Liabilities by Hierarchy Level” and “—Changes in Level 3 Assets and Liabilities,” above.
 As of March 31, 2021
 Level 1Level 2Level 3Netting(1)Total
 (in millions)
Derivative Assets:
Interest Rate$15 $11,009 $$$11,024 
Currency1,068 1,068 
Credit50 50 
Currency/Interest Rate1,447 1,447 
Equity82 708 790 
Other
Netting(1)(12,532)(12,532)
Total derivative assets$97 $14,282 $$(12,532)$1,847 
Derivative Liabilities:
Interest Rate$65 $16,391 $$$16,456 
Currency1,243 1,243 
Credit
Currency/Interest Rate1,293 1,293 
Equity17 1,347 1,364 
Other
Netting(1)(18,781)(18,781)
Total derivative liabilities$82 $20,274 $$(18,781)$1,575 
 As of December 31, 2020
 Level 1Level 2Level 3Netting(1)Total
 (in millions)
Derivative Assets:
Interest Rate$99 $19,091 $$$19,190 
Currency832 832 
Credit63 63 
Currency/Interest Rate1,415 1,415 
Equity128 1,645 1,773 
Other
Netting(1)(21,367)(21,367)
Total derivative assets$227 $23,046 $$(21,367)$1,906 
Derivative Liabilities:
Interest Rate$$13,503 $$$13,508 
Currency763 763 
Credit28 28 
Currency/Interest Rate1,638 1,638 
Equity25 2,305 2,330 
Other
Netting(1)(17,475)(17,475)
Total derivative liabilities$30 $18,237 $$(17,475)$792 
__________ 
(1)“Netting” amounts represent cash collateral and the impact of offsetting asset and liability positions held with the same counterparty, subject to master netting agreement.

Changes in Level 3 derivative assets and liabilities—The following tables provide a summary of the changes in fair value of Level 3 derivative assets and liabilities as of the dates indicated, as well as the portion of gains or losses included in income, attributable to unrealized gains or losses related to those assets and liabilities still held at the end of their respective periods.

Three Months Ended March 31, 2021
Fair Value, beginning of periodTotal realized and unrealized gains (losses)(1)PurchasesSalesIssuancesSettlementsOtherTransfers into
Level 3(2)
Transfers out of Level 3(2)Fair Value, end of periodUnrealized gains (losses) for assets still held(1)
(in millions)
Net Derivative - Equity$$$$$$$$$$$
Net Derivative - Interest Rate0

Three Months Ended March 31, 2020
Fair Value, beginning of periodTotal realized and unrealized gains (losses)(1)PurchasesSalesIssuancesSettlementsOtherTransfers into
Level 3(2)
Transfers out of Level 3(2)Fair Value, end of periodUnrealized gains (losses) for assets still held(1)
(in millions)
Net Derivative - Equity$$$$$$$$$$$
Net Derivative - Interest Rate

______ 
(1)Total realized and unrealized gains (losses) as well as unrealized gains (losses) for assets still held at the end of the period are recorded in “Realized investment gains (losses), net.”
(2)Transfers into or out of Level 3 are generally reported at the value as of the beginning of the quarter in which the transfers occur for any such positions still held at the end of the quarter.
Nonrecurring Fair Value Measurements—The following tables represent information for assets measured at fair value on a nonrecurring basis. The fair value measurement is nonrecurring as these assets are measured at fair value only when there is a triggering event (e.g., an evidence of impairment). Assets included in the table are those that were impaired during the respective reporting periods and that are still held as of the reporting date. The estimated fair values for these amounts were determined using significant unobservable inputs (Level 3).
Three Months Ended
March 31,
20212020
(in millions)
Realized investment gains (losses) net:
Commercial mortgage loans(1)$$
Mortgage servicing rights(2)$(5)$(3)
Investment real estate$(9)$

March 31, 2021December 31, 2020
(in millions)
Carrying value after measurement as of period end:
Commercial mortgage loans(1)$$
Mortgage servicing rights(2)$308 $307 
Investment real estate$16 $31 
__________ 
(1)Commercial mortgage loans are valued based on discounted cash flows utilizing market rates or the fair value of the underlying real estate collateral.
(2)Mortgage servicing rights are valued using a discounted cash flow model. The model incorporates assumptions for servicing revenues, which are adjusted for expected prepayments, delinquency rates, escrow deposit income and estimated loan servicing expenses. The discount rates incorporated into the model are determined based on the estimated returns a market participant would require for this business including a liquidity and risk premium. This estimate includes available relevant data from any active market sales of mortgage servicing rights.
Fair Value Option
 
The fair value option allows the Company to elect fair value as an alternative measurement for selected financial assets and financial liabilities not otherwise reported at fair value. Such elections have been made by the Company to help mitigate volatility in earnings that result from different measurement attributes. Electing the fair value option also allows the Company to achieve consistent accounting for certain assets and liabilities. Changes in fair value are reflected in “Realized investment gains (losses), net” for commercial mortgage and other loans and “Other income (loss)” for other assets and notes issued by consolidated VIEs. Changes in fair value due to instrument-specific credit risk are estimated using changes in credit spreads and quality ratings for the period reported. Interest income on commercial mortgage and other loans is included in “Net investment income.” Interest income on these loans is recorded based on the effective interest rate as determined at the closing of the loan.
 
The following tables present information regarding assets and liabilities where the fair value option has been elected.
 Three Months Ended
March 31,
 20212020
 (in millions)
Liabilities:
Notes issued by consolidated VIEs:
Changes in fair value$$
 
Three Months Ended
March 31,
20212020
(in millions)
Commercial mortgage and other loans:
Interest income$$
Notes issued by consolidated VIEs:
Interest expense$$11 

March 31, 2021December 31, 2020
(in millions)
Commercial mortgage and other loans(1):
Fair value as of period end$500 $1,092 
Aggregate contractual principal as of period end$494 $1,073 
Other assets:
Fair value as of period end$10 $10 
Notes issued by consolidated VIEs:
Fair value as of period end$$
Aggregate contractual principal as of period end$$
__________ 
(1)As of March 31, 2021, for loans for which the fair value option has been elected, there were no loans in non-accrual status and none of the loans were more than 90 days past due and still accruing.
Fair Value of Financial Instruments
 
The table below presents the carrying amount and fair value by fair value hierarchy level of certain financial instruments that are not reported at fair value. The financial instruments presented below are reported at carrying value on the Company’s Unaudited Interim Consolidated Statements of Financial Position. In some cases, as described below, the carrying amount equals or approximates fair value.
 
 March 31, 2021
 Fair ValueCarrying
Amount(1)
 Level 1Level 2Level 3TotalTotal
 (in millions)
Assets:
Fixed maturities, held-to-maturity(2)$$2,042 $83 $2,125 $1,801 
Assets supporting experience-rated contractholder liabilities31 31 31 
Commercial mortgage and other loans69 66,863 66,932 64,054 
Policy loans10,990 10,990 10,990 
Other invested assets120 120 120 
Short-term investments979 21 1,000 1,000 
Cash and cash equivalents8,641 457 9,098 9,098 
Accrued investment income3,063 3,063 3,063 
Other assets52 3,198 463 3,713 3,712 
Total assets$9,703 $8,970 $78,399 $97,072 $93,869 
Liabilities:
Policyholders’ account balances—investment contracts$$35,279 $70,780 $106,059 $104,724 
Securities sold under agreements to repurchase9,384 9,384 9,384 
Cash collateral for loaned securities4,673 4,673 4,673 
Short-term debt806 71 877 867 
Long-term debt(3)623 20,979 1,131 22,733 19,730 
Notes issued by consolidated VIEs285 285 285 
Other liabilities7,655 49 7,704 7,704 
Separate account liabilities—investment contracts88,027 22,777 110,804 110,804 
Total liabilities$623 $166,803 $95,093 $262,519 $258,171 
 
 December 31, 2020
 Fair ValueCarrying
Amount(1)
 Level 1Level 2Level 3TotalTotal
 (in millions)
Assets:
Fixed maturities, held-to-maturity(2)$$2,209 $89 $2,298 $1,930 
Assets supporting experience-rated contractholder liabilities39 39 39 
Commercial mortgage and other loans107 67,477 67,584 64,333 
Policy loans11,271 11,271 11,271 
Other invested assets153 153 153 
Short-term investments1,464 26 1,490 1,490 
Cash and cash equivalents7,951 268 8,219 8,219 
Accrued investment income3,193 3,193 3,193 
Other assets154 2,917 449 3,520 3,517 
Total assets$9,608 $8,873 $79,286 $97,767 $94,145 
Liabilities:
Policyholders’ account balances—investment contracts$$36,820 $73,653 $110,473 $107,526 
Securities sold under agreements to repurchase10,894 10,894 10,894 
Cash collateral for loaned securities3,499 3,499 3,499 
Short-term debt794 146 940 925 
Long-term debt(3)644 21,685 1,139 23,468 19,718 
Notes issued by consolidated VIEs305 305 305 
Other liabilities7,626 48 7,674 7,674 
Separate account liabilities—investment contracts86,046 23,631 109,677 109,677 
Total liabilities$644 $167,364 $98,922 $266,930 $260,218 
__________ 
(1)Carrying values presented herein differ from those in the Company’s Unaudited Interim Consolidated Statements of Financial Position because certain items within the respective financial statement captions are not considered financial instruments or are out of scope under authoritative guidance relating to disclosures of the fair value of financial instruments.
(2)Excludes notes with fair value of $5,186 million (carrying amount of $4,748 million) and $5,821 million (carrying amount of $4,998 million) as of March 31, 2021 and December 31, 2020, respectively, which have been offset with the associated payables under a netting agreement.
(3)Includes notes with fair value of $10,959 million (carrying amount of $10,514 million) and $11,921 million (carrying amount of $10,964 million) as of March 31, 2021 and December 31, 2020, respectively, which have been offset with the associated receivables under a netting agreement.