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FAIR VALUE MEASUREMENTS
12 Months Ended
Dec. 31, 2022
Fair Value Disclosures [Abstract]  
FAIR VALUE MEASUREMENTS FAIR VALUE MEASUREMENTS
Fair Value Hierarchy

U.S. GAAP specifies a hierarchy of valuation techniques based on whether the inputs to those valuation techniques are observable or unobservable. These two types of inputs create three valuation hierarchy levels. Level 1 valuations reflect quoted market prices for identical assets or liabilities in active markets. Level 2 valuations reflect quoted market prices for similar assets or liabilities in an active market, quoted market prices for identical or similar assets or liabilities in non-active markets or model-derived valuations in which all significant valuation inputs are observable in active markets. Level 3 valuations reflect valuations in which one or more of the significant inputs are not observable in an active market.

The following tables present the fair value hierarchy levels of the Company's assets and liabilities that are measured and carried at fair value on a recurring basis as of December 31.
  2022
(In millions)Quoted Prices in
Active Markets
for Identical
Assets
(Level 1)
Significant
Observable
Inputs
(Level 2)
Significant
Unobservable
Inputs
(Level 3)
Total
Fair
Value
Assets:
Securities available for sale, carried at
  fair value:
Fixed maturity securities:
Government and agencies$24,158 $956 $0 $25,114 
Municipalities0 2,320 0 2,320 
Mortgage- and asset-backed securities0 1,803 343 2,146 
Public utilities0 7,169 497 7,666 
Sovereign and supranational0 797 37 834 
Banks/financial institutions0 9,140 159 9,299 
Other corporate0 27,620 742 28,362 
Total fixed maturity securities24,158 49,805 1,778 75,741 
Equity securities822 60 209 1,091 
Other investments1,532 0 0 1,532 
Cash and cash equivalents3,943 0 0 3,943 
Other assets:
Foreign currency swaps0 128 0 128 
Foreign currency forwards0 400 0 400 
Foreign currency options0 82 0 82 
Interest rate swaps0 7 0 7 
Total other assets0 617 0 617 
Total assets$30,455 $50,482 $1,987 $82,924 
Liabilities:
Other liabilities:
Foreign currency swaps$0 $390 $0 $390 
Foreign currency forwards0 725 0 725 
Interest rate swaps0 583 0 583 
Total liabilities$0 $1,698 $0 $1,698 
  2021
(In millions)Quoted Prices in
Active Markets
for Identical
Assets
(Level 1)
Significant
Observable
Inputs
(Level 2)
Significant
Unobservable
Inputs
(Level 3)
Total
Fair
Value
Assets:
Securities available for sale, carried at
  fair value:
Fixed maturity securities:
Government and agencies$32,532 $1,288 $$33,820 
Municipalities3,036 3,036 
Mortgage- and asset-backed securities955 291 1,246 
Public utilities9,558 493 10,051 
Sovereign and supranational1,072 43 1,115 
Banks/financial institutions11,546 45 11,591 
Other corporate37,411 426 37,837 
Total fixed maturity securities32,532 64,866 1,298 98,696 
Equity securities1,340 90 173 1,603 
Other investments1,726 1,726 
Cash and cash equivalents5,051 5,051 
Other assets:
Foreign currency swaps137 137 
Foreign currency forwards791 791 
Foreign currency options
Total other assets936 936 
Total assets$40,649 $65,892 $1,471 $108,012 
Liabilities:
Other liabilities:
Foreign currency swaps$$427 $$427 
Foreign currency forwards1,138 1,138 
Interest rate swaps54 54 
Total liabilities$$1,619 $$1,619 
The following tables present the carrying amount and fair value categorized by fair value hierarchy level for the Company's financial instruments that are not carried at fair value as of December 31.
2022
(In millions)Carrying
Value
Quoted Prices in
Active Markets
for Identical
Assets
(Level 1)
Significant
Observable
Inputs
(Level 2)
Significant
Unobservable
Inputs
(Level 3)
Total
Fair
Value
Assets:
Securities held to maturity,
    carried at amortized cost:
  Fixed maturity securities:
Government and agencies$18,267 $20,132 $180 $0 $20,312 
Municipalities287 0 335 0 335 
Public utilities37 0 41 0 41 
Sovereign and
   supranational
446 0 500 0 500 
Other corporate19 0 22 0 22 
Commercial mortgage and
    other loans
13,496 0 0 13,212 13,212 
Other investments (1)
34 0 34 0 34 
 Total assets$32,586 $20,132 $1,112 $13,212 $34,456 
Liabilities:
Other policyholders’ funds$6,123 $0 $0 $6,022 $6,022 
Notes payable
   (excluding leases)
7,295 0 6,024 802 6,826 
Total liabilities$13,418 $0 $6,024 $6,824 $12,848 
(1) Excludes policy loans of $214 and equity method investments of $2,290 at carrying value
2021
(In millions)Carrying
Value
Quoted Prices in
Active Markets
for Identical
Assets
(Level 1)
Significant
Observable
Inputs
(Level 2)
Significant
Unobservable
Inputs
(Level 3)
Total
Fair
Value
Assets:
Securities held to maturity,
   carried at amortized cost:
  Fixed maturity securities:
Government and agencies$21,086 $25,469 $230 $$25,699 
Municipalities335 436 436 
Public utilities43 55 55 
Sovereign and
   supranational
514 650 650 
Other corporate22 29 29 
Commercial mortgage and
    other loans
11,786 11,996 11,996 
Other investments (1)
22 22 22 
  Total assets$33,808 $25,469 $1,422 $11,996 $38,887 
Liabilities:
Other policyholders’ funds$7,072 $$$6,957 $6,957 
Notes payable
   (excluding leases)
7,839 8,280 259 8,539 
Total liabilities$14,911 $$8,280 $7,216 $15,496 
(1) Excludes policy loans of $236 and equity method investments of $1,858, at carrying value

Fair Value of Financial Instruments

Fixed maturity and equity securities

The Company determines the fair values of fixed maturity securities and public and privately-issued equity securities using the following approaches or techniques: price quotes and valuations from third party pricing vendors (including quoted market prices readily available from public exchange markets), in-house valuations and non-binding price quotes the Company obtains from outside brokers.

A third party pricing vendor has developed valuation models to determine fair values of privately issued securities and derivatives associated with VIEs. Starting in June 2021 and July 2022, respectively, these models and associated processes and controls were transitioned to and executed by Company personnel. These models are discounted cash flow (DCF) valuation models but also use information from related markets, specifically the credit default swap (CDS) market, to estimate expected cash flows. These models take into consideration any unique characteristics of the securities or derivatives and make various adjustments to arrive at an appropriate issuer-specific loss adjusted credit curve. This credit curve is then used with the relevant recovery rates to estimate expected cash flows and modeling of additional features, including illiquidity adjustments, if necessary, to price the security or derivative by discounting those loss adjusted cash flows. In cases where a credit curve cannot be developed from the specific security features, the valuation methodology takes into consideration other market observable inputs, including:
1) the most appropriate comparable security(ies) of the issuer
2) issuer-specific CDS spreads
3) bonds or CDS spreads of comparable issuers with similar characteristics such as rating, geography, or sector
4) bond indices that are comparative in rating, industry, maturity and region.

The pricing data and market quotes the Company obtains from outside sources, including third party pricing services, are reviewed internally for reasonableness. If a fair value appears unreasonable, the Company will re-examine the inputs and assess the reasonableness of the pricing data with the vendor. Additionally, the Company may compare the inputs to relevant market indices and other performance measurements. Based on management's analysis, the valuation is confirmed or may be revised if there is evidence of a more appropriate estimate of fair value based on available market
data. The Company has performed verification of the inputs and calculations in any valuation models to confirm that the valuations represent reasonable estimates of fair value.

For the periods presented, the Company has not adjusted the quotes or prices it obtains from the pricing services and brokers it uses.

The following tables present the pricing sources for the fair values of the Company's fixed maturity and equity securities as of December 31.
2022
(In millions)Quoted Prices in Active Markets for Identical Assets
(Level 1)
Significant Observable Inputs
(Level 2)
Significant Unobservable Inputs
(Level 3)
Total
Fair
Value
Securities available for sale, carried at fair value:
      Fixed maturity securities:
         Government and agencies:
Third party pricing vendor$24,158 $582 $0 $24,740 
Internal0 374 0 374 
               Total government and agencies24,158 956 0 25,114 
         Municipalities:
Third party pricing vendor0 2,021 0 2,021 
Internal0 299 0 299 
               Total municipalities0 2,320 0 2,320 
         Mortgage- and asset-backed securities:
Third party pricing vendor0 1,798 0 1,798 
Internal 0 3 0 3 
Broker/other0 2 343 345 
               Total mortgage- and asset-backed securities0 1,803 343 2,146 
         Public utilities:
Third party pricing vendor0 3,786 0 3,786 
Internal 0 3,383 0 3,383 
Broker/other0 0 497 497 
               Total public utilities0 7,169 497 7,666 
         Sovereign and supranational:
Third party pricing vendor0 232 0 232 
Internal0 565 0 565 
Broker/other0 0 37 37 
               Total sovereign and supranational0 797 37 834 
         Banks/financial institutions:
Third party pricing vendor0 4,622 0 4,622 
Internal0 4,518 105 4,623 
Broker/other0 0 54 54 
               Total banks/financial institutions0 9,140 159 9,299 
         Other corporate:
Third party pricing vendor0 22,268 0 22,268 
Internal0 5,352 200 5,552 
Broker/other0 0 542 542 
               Total other corporate0 27,620 742 28,362 
                  Total securities available for sale$24,158 $49,805 $1,778 $75,741 
Equity securities, carried at fair value:
Third party pricing vendor$822 $60 $0 $882 
Broker/other0 0 209 209 
               Total equity securities$822 $60 $209 $1,091 
2022
(In millions)Quoted Prices in Active Markets for Identical Assets
(Level 1)
Significant Observable Inputs
(Level 2)
Significant Unobservable Inputs
(Level 3)
Total
Fair
 Value
Securities held to maturity, carried at amortized cost:
      Fixed maturity securities:
         Government and agencies:
Third party pricing vendor$20,132 $180 $0 $20,312 
               Total government and agencies20,132 180 0 20,312 
         Municipalities:
Third party pricing vendor0 335 0 335 
               Total municipalities0 335 0 335 
         Public utilities:
Third party pricing vendor0 41 0 41 
               Total public utilities0 41 0 41 
         Sovereign and supranational:
Third party pricing vendor0 242 0 242 
Broker/other0 258 0 258 
               Total sovereign and supranational0 500 0 500 
         Other corporate:
Third party pricing vendor0 22 0 22 
               Total other corporate0 22 0 22 
                  Total securities held to maturity$20,132 $1,078 $0 $21,210 
2021
(In millions)Quoted Prices in Active Markets
for Identical Assets
(Level 1)
Significant Observable
Inputs
(Level 2)
Significant Unobservable Inputs
(Level 3)
Total
Fair
Value
Securities available for sale, carried at fair value:
      Fixed maturity securities:
         Government and agencies:
Third party pricing vendor$32,532 $808 $$33,340 
Internal480 480 
               Total government and agencies32,532 1,288 33,820 
         Municipalities:
Third party pricing vendor2,222 2,222 
Internal814 814 
               Total municipalities3,036 3,036 
         Mortgage- and asset-backed securities:
Third party pricing vendor955 955 
Broker/other291 291 
               Total mortgage- and asset-backed securities955 291 1,246 
         Public utilities:
Third party pricing vendor4,527 4,527 
Internal5,031 5,031 
Broker/other493 493 
               Total public utilities9,558 493 10,051 
         Sovereign and supranational:
Third party pricing vendor273 273 
Internal799 799 
Broker/other43 43 
               Total sovereign and supranational1,072 43 1,115 
         Banks/financial institutions:
Third party pricing vendor5,237 5,237 
Internal6,309 6,309 
Broker/other45 45 
               Total banks/financial institutions11,546 45 11,591 
         Other corporate:
Third party pricing vendor29,495 29,495 
Internal7,916 7,916 
Broker/other426 426 
               Total other corporate37,411 426 37,837 
                  Total securities available for sale$32,532 $64,866 $1,298 $98,696 
Equity securities, carried at fair value:
Third party pricing vendor$1,340 $90 $$1,430 
Broker/other173 173 
               Total equity securities$1,340 $90 $173 $1,603 
2021
(In millions)Quoted Prices in Active Markets
for Identical Assets
(Level 1)
Significant Observable
Inputs
(Level 2)
Significant Unobservable Inputs
(Level 3)
Total
Fair
 Value
Securities held to maturity, carried at amortized cost:
      Fixed maturity securities:
         Government and agencies:
Third party pricing vendor$25,469 $230 $$25,699 
               Total government and agencies25,469 230 25,699 
         Municipalities:
Third party pricing vendor436 436 
               Total municipalities436 436 
         Public utilities:
Third party pricing vendor55 55 
               Total public utilities55 55 
         Sovereign and supranational:
Third party pricing vendor313 313 
Broker/other337 337 
               Total sovereign and supranational650 650 
         Other corporate:
Third party pricing vendor29 29 
               Total other corporate29 29 
                  Total securities held to maturity$25,469 $1,400 $$26,869 

The following is a discussion of the determination of fair value of the Company's remaining financial instruments.

Derivatives

The Company uses derivative instruments to manage the risk associated with certain assets. However, the derivative instrument may not be classified in the same fair value hierarchy level as the associated asset. The significant inputs to pricing derivatives are generally observable in the market or can be derived by observable market data. When these inputs are observable, the derivatives are classified as Level 2.

The Company uses present value techniques to value non-option based derivatives. It also uses option pricing models to value option based derivatives. Key inputs are as follows:
Instrument TypeLevel 2
Interest rate derivatives
Swap yield curves
Basic curves
Interest rate volatility (1)
Foreign currency exchange rate derivatives - Non-VIES (forwards, swaps and options)
Foreign currency forward rates
Swap yield curves
Basis curves
Foreign currency spot rates
Cross foreign currency basis curves
Foreign currency volatility (1)
Foreign currency exchange rate derivatives - VIEs (swaps)
Foreign currency spot rates
Swap yield curves
Credit default swap curves
Basis curves
Recovery rates
Foreign currency forward rates
Foreign cross currency basis curves
(1) Option-based only
The fair values of the foreign currency forwards and options are based on observable market inputs, therefore they are classified as Level 2.

The Parent Company has cross-currency swap agreements related to certain of its U.S. dollar-denominated senior notes to effectively convert a portion of the interest on the notes from U.S dollar to Japanese yen. Their fair values are based on observable market inputs, therefore they are classified as Level 2.

To determine the fair value of its interest rate derivatives, the Company uses inputs that are generally observable in the market or can be derived from observable market data. Interest rate swaps are cleared trades. In a cleared swap contract, the clearinghouse provides benefits to the counterparties similar to contracts listed for investment traded on an exchange since it maintains a daily margin to mitigate counterparties' credit risk. These derivatives are priced using observable inputs, accordingly, they are classified as Level 2. For its interest rate swaptions, the Company estimates their fair values using observable market data, including interest rate curves and volatility. Their fair values are also classified as Level 2.

For derivatives associated with VIEs where the Company is the primary beneficiary, the Company is not the direct counterparty to the swap contracts. Nevertheless, the Company has full transparency into the contracts to properly value the swaps for reporting purposes. Prior to October 1, 2021, these derivatives were classified as Level 3 because certain significant inputs were determined to be unobservable, primarily due to the long duration of the swaps which required extrapolation beyond the observable limits of the curve(s). However, due to the natural aging of the swap portfolio and the continued evolution of capital market inputs, especially the availability of long-term interest rates with tenors beyond 30 years, the Company has concluded that all significant inputs are now observable. As a result, effective October 1, 2021, the Company transferred the derivatives associated with its consolidated VIEs to Level 2 of the fair value hierarchy.

For forward bond purchase commitments with VIEs, the fair value of the derivative is based on the difference in the fixed purchase price and the current market value of the related bond prior to the settlement date. Since the bond is typically a public bond with readily available pricing, the derivatives associated with the forward purchase commitment are classified as Level 2 of the fair value hierarchy.

Commercial mortgage and other loans

Commercial mortgage and other loans include TREs, CMLs and MMLs. The Company's loan receivables do not have readily determinable market prices and generally lack market liquidity. Fair values for loan receivables are determined based on the present value of expected future cash flows discounted at the applicable U.S. Treasury or floating-rate benchmark yield plus an appropriate spread that considers other risk factors, such as credit and liquidity risk. The spreads are a significant component of the pricing inputs and are generally considered unobservable. Therefore, these investments have been assigned a Level 3 within the fair value hierarchy.

Other investments

Other investments includes short-term investments that are measured at fair value where amortized cost approximates fair value.

Other policyholders' funds

The largest component of the other policyholders' funds liability is the Company's annuity line of business in Aflac Japan. The Company's annuities have fixed benefits and premiums. For this product, the Company estimates the fair value to be equal to the cash surrender value. This is analogous to the value paid to policyholders on the valuation date if they were to surrender their policy. The Company periodically checks the cash value against discounted cash flow projections for reasonableness. The Company considers its inputs for this valuation to be unobservable and have accordingly classified this valuation as Level 3.

Notes payable
The fair values of the Company's publicly issued notes payable are determined by utilizing available sources of observable inputs from third party pricing vendors and are classified as Level 2. The fair values of the Company's yen-denominated loans approximate their carrying values and are classified as Level 3.
Transfers between Hierarchy Levels and Level 3 Rollforward

Assets and liabilities are transferred into Level 3 when a significant input cannot be corroborated with market observable data. This occurs when market activity decreases significantly and underlying inputs cannot be observed, current prices are not available, and/or when there are significant variances in quoted prices, thereby affecting transparency. Assets and liabilities are transferred out of Level 3 when circumstances change such that a significant input can be corroborated with market observable data. This may be due to a significant increase in market activity, a specific event, or one or more significant input(s) becoming observable. Effective October 1, 2021, the foreign exchange swaps discussed above were transferred from Level 3 to Level 2 because the significant inputs used for their valuation that were previously unobservable are now observable.

The following tables present the changes in fair value of the Company's investments and derivatives carried at fair value classified as Level 3 as of December 31. Derivative assets and liabilities are presented as a net value.
2022
 Fixed Maturity SecuritiesEquity
Securities
Derivatives
(In millions)Mortgage-
and
Asset-
Backed
Securities
Public
Utilities
Sovereign
and
Supranational
Banks/
Financial
Institutions
Other
Corporate
 Foreign
Currency
Swaps
Total
Balance, beginning of period$291 $493 $43 $45 $426 $173 $$1,471 
Net investment gains (losses) included
  in earnings
(4)5 
Unrealized gains (losses) included in
  other comprehensive income (loss)
(76)(99)(6)(14)(93)(288)
Purchases, issuances, sales
  and settlements:
Purchases273 35 132 387 59 886 
Issuances
Sales
Settlements(78)(64)(23)(187)(7)(359)
Transfers into Level 3128 18 350 496 
Transfers out of Level 3(63)(141)(20)(224)
Balance, end of period$343 $497 $37 $159 $742 $209 $$1,987 
Changes in unrealized gains (losses)
  relating to Level 3 assets and liabilities
  still held at the end of the period
  included in earnings
$(4)$$$$$$$(2)
2021
  Fixed Maturity SecuritiesEquity
Securities
Derivatives  
(In millions)Mortgage-
and
Asset-
Backed
Securities
Public
Utilities
Sovereign
and
Supranational
Banks/
Financial
Institutions
Other
Corporate
 Foreign
Currency
Swaps
Total
Balance, beginning of period$224 $422 $48 $24 $299 $102 $(98)$1,021 
Net investment gains (losses) included
  in earnings
21 (158)(135)
Unrealized gains (losses) included in
  other comprehensive income (loss)
(25)(21)(5)(2)(11)(1)(65)
Purchases, issuances, sales
  and settlements:
Purchases169 167 23 90 41 490 
Issuances17 17 
Sales(2)(23)(8)(33)
Settlements(21)(17)(38)
Transfers into Level 323 84 107 
Transfers out of Level 3(77)(52)(21)257 107 
Balance, end of period$291 $493 $43 $45 $426 $173 $$1,471 
Changes in unrealized gains (losses)
  relating to Level 3 assets and liabilities
  still held at the end of the period
  included in earnings
$(24)$(23)$(4)$(2)$(27)$21 $(158)$(217)
Level 3 Significant Unobservable Input Sensitivity

The following tables summarize the significant unobservable inputs used in the valuation of the Company's Level 3 investments carried at fair value as of December 31. Included in the tables are the inputs or range of possible inputs that have an effect on the overall valuation of the financial instruments.
2022
(In millions)Fair ValueValuation Technique(s)Unobservable InputRange
Assets:
  Securities available for sale, carried at fair value:
    Fixed maturity securities:
       Mortgage- and asset-backed securities$343 Consensus pricingOffered quotes97.38-106.71
(a)
       Public utilities497 Discounted cash flowCredit spreads128 bps-286 bps
(b)
       Sovereign and supranational37 Consensus pricingOffered quotesN/A
(c)
       Banks/financial institutions159 Discounted cash flowCredit spreads67 bps-188 bps
(b)
       Other corporate742 Discounted cash flowCredit spreads66 bps-647 bps
(b)
  Equity securities209 Adjusted costPrivate financialsN/A
(d)
            Total assets$1,987 
(a) Represents prices for securities where the Company receives unadjusted broker quotes and for which there is no transparency into the providers' valuation techniques.
(b) Actual or equivalent credit spreads in basis points.
(c) Category represents a single security; range not applicable.
(d) Prices do not utilize credit spreads therefore range is not applicable.

2021
(In millions)Fair ValueValuation Technique(s)Unobservable InputRange
Assets:
  Securities available for sale, carried at fair value:
    Fixed maturity securities:
       Mortgage- and asset-backed securities$291 Consensus pricingOffered quotes104.79-111.36
(a)
       Public utilities493 Discounted cash flowCredit spreads118 bps-260 bps
(b)
       Sovereign and supranational43 Consensus pricingOffered quotesN/A
(c)
       Banks/financial institutions45 Consensus pricingOffered quotes100.00-103.00
(a)
       Other corporate426 Discounted cash flowCredit spreads121 bps-560 bps
(b)
  Equity securities173 Adjusted costPrivate financialsN/A
(d)
            Total assets$1,471 
(a) Represents prices for securities where the Company receives unadjusted broker quotes and for which there is no transparency into the providers' valuation techniques.
(b) Actual or equivalent credit spreads in basis points.
(c) Category represents a single security; range not applicable.
(d) Prices do not utilize credit spreads therefore range is not applicable.
The following is a discussion of the significant unobservable inputs or valuation techniques used in determining the fair value of securities classified as Level 3.

Credit Spreads

The Company holds certain assets that are of a unique, specialized, and/or securitized nature that do not trade on a regular basis in an active market, which makes their fair values difficult to estimate. Most of these assets are managed by external asset managers and the Company utilizes these managers for their expertise when evaluating various inputs used to determine the fair values for these assets, including identifying the appropriate credit or risk spread over risk-free interest rates that incorporates the unique nature or structure of the asset in the valuations. For those assets of a similar nature but not managed by external asset managers, the Company internally estimates the spreads and risk adjustments over risk-free interest rates that reflect the unique nature or structure of the asset as well as the current pricing environment and market conditions for comparable or related investments. Credit or risk spreads are an important input needed to complete the discounted cash flow analyses used to estimate an investment’s fair value. Credit or risk spreads underlying these fair values are a significant, unobservable input whose derivation is based on the Company’s evaluation of a combination of the external manager’s expertise and knowledge, the current pricing environment, and market conditions for the specific asset.

Offered Quotes

In circumstances where the Company's valuation model price is overridden because it implies a value that is not consistent with current market conditions, the Company will solicit bids from a limited number of brokers. The Company also receives unadjusted prices from brokers for certain of its mortgage and asset-backed securities. These quotes are non-binding but are reflective of valuation best estimates at that particular point in time. Offered quotes are an unobservable input in the determination of fair value of mortgage- and asset-backed securities, certain banks/financial institutions, certain other corporate, and equity securities investments.

Private Financials

The Company invests in the debt and equity securities of private companies operating in the cancer, healthtech, insurtech, finance, internet of things, big data and analytics sectors. Due to their private and often small, startup nature, these companies rely on capital provided by institutional and private equity investors for their ongoing operations. They do not have public securities that trade on a regular basis in an active market, which makes their fair values difficult to estimate. The Company values these investments on a cost basis with appropriate adjustments made based on monitoring private financial information provided by these companies. Adjustments to valuations are generally made as new funding tranches are executed or if the financial information provided significantly changes indicating the need for impairment. This private financial information is unobservable and is a significant determinant in the fair value of these corporate venture investments.

For additional information on the Company's investments and financial instruments, see the accompanying Notes 1, 3 and 4.