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FAIR VALUE MEASUREMENTS
6 Months Ended
Jun. 30, 2018
FAIR VALUE MEASUREMENTS  
FAIR VALUE MEASUREMENTS

4Fair Value Measurements

Fair Value Measurements on a Recurring Basis

Assets and liabilities recorded at fair value in the Condensed Consolidated Balance Sheets are measured and classified in accordance with a fair value hierarchy consisting of three “levels” based on the observability of valuation inputs:

  • Level 1: Fair value measurements based on quoted prices (unadjusted) in active markets that we have the ability to access for identical assets or liabilities. Market price data generally is obtained from exchange or dealer markets. We do not adjust the quoted price for such instruments.
  • Level 2: Fair value measurements based on inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. Level 2 inputs include quoted prices for similar assets and liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, and inputs other than quoted prices that are observable for the asset or liability, such as interest rates and yield curves that are observable at commonly quoted intervals.
  • Level 3: Fair value measurements based on valuation techniques that use significant inputs that are unobservable. Both observable and unobservable inputs may be used to determine the fair values of positions classified in Level 3. The circumstances for using these measurements include those in which there is little, if any, market activity for the asset or liability. Therefore, we must make certain assumptions about the inputs a hypothetical market participant would use to value that asset or liability.

In certain cases, the inputs used to measure fair value may fall into different levels of the fair value hierarchy. In such cases, the level in the fair value hierarchy within which the fair value measurement in its entirety falls is determined based on the lowest level input that is significant to the fair value measurement in its entirety.

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following table presents information about assets and liabilities measured at fair value on a recurring basis and indicates the level of the fair value measurement based on the observability of the inputs used:

June 30, 2018 CounterpartyCash
(in millions) Level 1Level 2Level 3Netting(a)CollateralTotal
Assets:
Bonds available for sale:
U.S. government and government sponsored entities$147$2,497$-$-$-$2,644
Obligations of states, municipalities and political subdivisions-15,0042,056--17,060
Non-U.S. governments2415,273---15,297
Corporate debt-127,074884--127,958
RMBS-20,00315,377--35,380
CMBS-12,479605--13,084
CDO/ABS-10,3946,856--17,250
Total bonds available for sale171202,72425,778--228,673
Other bond securities:
U.S. government and government sponsored entities262,636---2,662
Non-U.S. governments-51---51
Corporate debt-1,72918--1,747
RMBS-3821,338--1,720
CMBS-34071--411
CDO/ABS-5424,641--5,183
Total other bond securities265,6806,068--11,774
Other equity securities(b)1,62847---1,675
Mortgage and other loans receivable------
Other invested assets(c)--399--399
Derivative assets:
Interest rate contracts-2,460---2,460
Foreign exchange contracts-1,038---1,038
Equity contracts2717479--280
Credit contracts--1--1
Other contracts-314--17
Counterparty netting and cash collateral---(1,433)(1,644)(3,077)
Total derivative assets273,67594(1,433)(1,644)719
Short-term investments2,307938---3,245
Separate account assets85,7834,963---90,746
Total$89,942$218,027$32,339$(1,433)$(1,644)$337,231
Liabilities:
Policyholder contract deposits$-$-$3,534$-$-$3,534
Derivative liabilities:
Interest rate contracts-1,92514--1,939
Foreign exchange contracts-1,0825--1,087
Equity contracts53---8
Credit contracts-13247--260
Other contracts--4--4
Counterparty netting and cash collateral---(1,433)(595)(2,028)
Total derivative liabilities53,023270(1,433)(595)1,270
Long-term debt-2,615---2,615
Other liabilities153----153
Total$158$5,638$3,804$(1,433)$(595)$7,572

December 31, 2017 CounterpartyCash
(in millions) Level 1Level 2Level 3Netting(a)CollateralTotal
Assets:
Bonds available for sale:
U.S. government and government sponsored entities$201$2,455$-$-$-$2,656
Obligations of states, municipalities and political subdivisions-16,2402,404--18,644
Non-U.S. governments2015,6318--15,659
Corporate debt-133,0031,173--134,176
RMBS-21,09816,136--37,234
CMBS-13,217624--13,841
CDO/ABS-8,1318,651--16,782
Total bonds available for sale221209,77528,996--238,992
Other bond securities:
U.S. government and government sponsored entities2382,564---2,802
Non-U.S. governments-57---57
Corporate debt-1,89118--1,909
RMBS-4211,464--1,885
CMBS-48574--559
CDO/ABS-6044,956--5,560
Total other bond securities2386,0226,512--12,772
Equity securities available for sale:
Common stock1,061----1,061
Preferred stock18515---533
Mutual funds1104---114
Total equity securities available for sale1,189519---1,708
Other equity securities589----589
Mortgage and other loans receivable--5--5
Other invested assets(c)-1250--251
Derivative assets:
Interest rate contracts12,170---2,171
Foreign exchange contracts-8274--831
Equity contracts18825282--522
Credit contracts--1--1
Other contracts--20--20
Counterparty netting and cash collateral---(1,464)(1,159)(2,623)
Total derivative assets1893,249107(1,464)(1,159)922
Short-term investments2,078537---2,615
Separate account assets87,1415,657---92,798
Total$91,645$225,760$35,870$(1,464)$(1,159)$350,652
Liabilities:
Policyholder contract deposits$-$14$4,136$-$-$4,150
Derivative liabilities:
Interest rate contracts22,17622--2,200
Foreign exchange contracts-1,2414--1,245
Equity contracts219---21
Credit contracts-14263--277
Other contracts--5--5
Counterparty netting and cash collateral---(1,464)(1,249)(2,713)
Total derivative liabilities43,450294(1,464)(1,249)1,035
Long-term debt-2,888---2,888
Other liabilities4643---89
Total$50$6,395$4,430$(1,464)$(1,249)$8,162

(a) Represents netting of derivative exposures covered by qualifying master netting agreements.

(b) As a result of the adoption of the Recognition and Measurement of Financial Assets and Financial Liabilities standard on January 1, 2018 (Financial Instruments Recognition and Measurement Standard), equity securities are no longer classified and accounted for as available for sale securities.

(c) Excludes investments that are measured at fair value using the net asset value (NAV) per share (or its equivalent), which totaled $5.5 billion and $6.0 billion as of June 30, 2018 and December 31, 2017, respectively.

Transfers of Level 1 and Level 2 Assets and Liabilities

Our policy is to record transfers of assets and liabilities between Level 1 and Level 2 at their fair values as of the end of each reporting period, consistent with the date of the determination of fair value. Assets are transferred out of Level 1 when they are no longer transacted with sufficient frequency and volume in an active market. Conversely, assets are transferred from Level 2 to Level 1 when transaction volume and frequency are indicative of an active market.

There were no transfers of securities issued by non-U.S. government entities from Level 1 to Level 2 in the three-month period ended June 30, 2018. During the six-month period ended June 30, 2018, we transferred $16 million of securities issued by non-U.S. government entities from Level 1 to Level 2, because they are no longer considered actively traded. For similar reasons, during the three- and six-month periods ended June 30, 2018, we transferred $490 million and $681 million, respectively, of securities issued by the U.S. government and government sponsored entities from Level 1 to Level 2. We had no material transfers from Level 2 to Level 1 during the three- and six-month periods ended June 30, 2018.

There were no transfers of securities issued by non-U.S. government entities from Level 1 to Level 2 in the three-month period ended June 30, 2017. During the six-month period ended June 30, 2017, we transferred $53 million of securities issued by non-U.S. government entities from Level 1 to Level 2, because they are no longer considered actively traded. For similar reasons, during the three- and six-month periods ended June 30, 2017, we transferred $50 million and $113 million, respectively, of securities issued by the U.S. government and government sponsored entities from Level 1 to Level 2. Additionally, we transferred $126 million of preferred stock from Level 1 to Level 2 during the three- and six-month periods ended June 30, 2017. We had no material transfers from Level 2 to Level 1 during the three- and six-month periods ended June 30, 2017.

Changes in Level 3 Recurring Fair Value Measurements

The following tables present changes during the three- and six-month periods ended June 30, 2018 and 2017 in Level 3 assets and liabilities measured at fair value on a recurring basis, and the realized and unrealized gains (losses) related to the Level 3 assets and liabilities in the Condensed Consolidated Balance Sheets at June 30, 2018 and 2017:

Net Changes in
Realized and Unrealized Gains
UnrealizedPurchases, (Losses) Included
Fair ValueGains (Losses)OtherSales,GrossGrossFair Valuein Income on
BeginningIncludedComprehensiveIssuances andTransfersTransfersEndInstruments Held
(in millions)of Periodin IncomeIncome (Loss)Settlements, NetInOutof Periodat End of Period
Three Months Ended June 30, 2018
Assets:
Bonds available for sale:
Obligations of states, municipalities
and political subdivisions$2,261$-$(40)$(29)$-$(136)$2,056$-
Non-U.S. governments9(1)2(5)-(5)--
Corporate debt1,871(8)(7)(394)3(581)884-
RMBS15,839153(5)(616)8(2)15,377-
CMBS584(2)(4)(7)47(13)605-
CDO/ABS7,8468356-(1,057)6,856-
Total bonds available for sale28,410150(51)(995)58(1,794)25,778-
Other bond securities:
Corporate debt19(1)----18-
RMBS1,42716-(105)--1,338151
CMBS73(2)----714
CDO/ABS4,776118-(253)--4,641204
Total other bond securities6,295131-(358)--6,068359
Other equity securities(a)3(3)------
Mortgage and other loans receivable--------
Other invested assets29229-78--399-
Total$35,000$307$(51)$(1,275)$58$(1,794)$32,245$359
Net Changes in
Realized and Unrealized Gains
UnrealizedPurchases, (Losses) Included
Fair Value(Gains) LossesOtherSales,GrossGrossFair Valuein Income on
BeginningIncludedComprehensiveIssuances andTransfersTransfersEndInstruments Held
(in millions)of Periodin IncomeIncome (Loss)Settlements, NetInOutof Periodat End of Period
Liabilities:
Policyholder contract deposits$3,696$(238)$-$76$-$-$3,534$298
Derivative liabilities, net:
Interest rate contracts17(1)-(2)--141
Foreign exchange contracts16-(2)--5(4)
Equity contracts(78)5-(8)-2(79)(5)
Credit contracts250(4)----2463
Other contracts(12)(15)-17--(10)18
Total derivative liabilities, net(b)178(9)-5-217613
Long-term debt(c)--------
Total$3,874$(247)$-$81$-$2$3,710$311
Net Changes in
Realized and Unrealized Gains
UnrealizedPurchases, (Losses) Included
Fair ValueGains (Losses)OtherSales,GrossGrossFair Valuein Income on
BeginningIncludedComprehensiveIssuances andTransfersTransfersEndInstruments Held
(in millions)of Periodin IncomeIncome (Loss)Settlements, NetInOutof Periodat End of Period
Six Months Ended June 30, 2018
Assets:
Bonds available for sale:
Obligations of states, municipalities
and political subdivisions$2,404$1$(115)$(98)$-$(136)$2,056$-
Non-U.S. governments8(5)6(4)-(5)--
Corporate debt1,173(65)3(146)568(649)884-
RMBS16,136419-(1,152)8(34)15,377-
CMBS6244(21)(30)47(19)605-
CDO/ABS8,65116(85)(654)-(1,072)6,856-
Total bonds available for sale28,996370(212)(2,084)623(1,915)25,778-
Other bond securities:
Corporate debt18-----181
RMBS1,46455-(181)--1,338153
CMBS74(3)-(1)1-714
CDO/ABS4,956207-(513)-(9)4,641208
Total other bond securities6,512259-(695)1(9)6,068366
Other equity securities(a)-(3)-3----
Mortgage and other loans receivable5--(5)----
Other invested assets25052196--39925
Total$35,763$678$(211)$(2,685)$624$(1,924)$32,245$391
Net Changes in
Realized and Unrealized Gains
UnrealizedPurchases, (Losses) Included
Fair Value(Gains) LossesOtherSales,GrossGrossFair Valuein Income on
BeginningIncludedComprehensiveIssuances andTransfersTransfersEndInstruments Held
(in millions)of Periodin IncomeIncome (Loss)Settlements, NetInOutof Periodat End of Period
Liabilities:
Policyholder contract deposits$4,136$(744)$-$142$-$-$3,534$902
Derivative liabilities, net:
Interest rate contracts22(4)-(4)--144
Foreign exchange contracts-(4)-9--5(3)
Equity contracts(82)9-(8)-2(79)(9)
Credit contracts262(14)-(2)--24613
Other contracts(15)(32)-37--(10)35
Total derivative liabilities, net(b)187(45)-32-217640
Long-term debt(c)--------
Total$4,323$(789)$-$174$-$2$3,710$942

Net Changes in
Realized and Unrealized Gains
UnrealizedPurchases, (Losses) Included
Fair ValueGains (Losses)OtherSales,GrossGrossFair Valuein Income on
BeginningIncludedComprehensiveIssuances andTransfersTransfersEndInstruments Held
(in millions)of Periodin IncomeIncome (Loss)Settlements, NetInOutof Periodat End of Period
Three Months Ended June 30, 2017
Assets:
Bonds available for sale:
Obligations of states, municipalities
and political subdivisions$2,041$(1)$89$148$8$-$2,285$-
Non-U.S. governments16-1(5)--12-
Corporate debt1,07953(153)70(72)932-
RMBS16,487264346(681)-(23)16,393-
CMBS1,003182(274)-(14)735-
CDO/ABS7,755(28)132746--8,605-
Total bonds available for sale28,381258573(219)78(109)28,962-
Other bond securities:
Corporate debt18--10--28-
RMBS1,50266-(58)--1,51043
CMBS652-(1)--662
CDO/ABS5,508175-(449)--5,23455
Total other bond securities7,093243-(498)--6,838100
Equity securities available for sale:
Common stock8----(1)7-
Total equity securities available for sale8----(1)7-
Mortgage and other loans receivable11--(6)--5-
Other invested assets1804239--2254
Total$35,673$505$575$(684)$78$(110)$36,037$104
Net Changes in
Realized and Unrealized Gains
UnrealizedPurchases, (Losses) Included
Fair Value(Gains) LossesOtherSales,GrossGrossFair Valuein Income on
BeginningIncludedComprehensiveIssuances andTransfersTransfersEndInstruments Held
(in millions)of Periodin IncomeIncome (Loss)Settlements, NetInOutof Periodat End of Period
Liabilities:
Policyholder contract deposits$3,072$340$-$106$-$-$3,518$(283)
Derivative liabilities, net:
Interest rate contracts322-(4)--30(1)
Foreign exchange contracts61----7(1)
Equity contracts(62)(4)-3--(63)9
Credit contracts315(21)-(1)--29323
Other contracts(11)(20)-18(3)-(16)46
Total derivative liabilities, net(b)280(42)-16(3)-25176
Long-term debt(c)582-1--61(2)
Total$3,410$300$-$123$(3)$-$3,830$(209)
Net Changes in
Realized and Unrealized Gains
UnrealizedPurchases, (Losses) Included
Fair ValueGains (Losses)OtherSales,GrossGrossFair Valuein Income on
BeginningIncludedComprehensiveIssuances andTransfersTransfersEndInstruments Held
(in millions)of Periodin IncomeIncome (Loss)Settlements, NetInOutof Periodat End of Period
Six Months Ended June 30, 2017
Assets:
Bonds available for sale:
Obligations of states, municipalities
and political subdivisions$2,040$1$85$169$8$(18)$2,285$-
Non-U.S. governments17-1(6)--12-
Corporate debt1,1331-(166)206(242)932-
RMBS16,906553497(1,539)8(32)16,393-
CMBS2,040237(622)-(713)735-
CDO/ABS7,835(22)180644-(32)8,605-
Total bonds available for sale29,971556770(1,520)222(1,037)28,962-
Other bond securities:
Corporate debt171-10--281
RMBS1,605121-(183)-(33)1,51067
CMBS1552-(18)-(73)663
CDO/ABS5,703348-(817)--5,234125
Total other bond securities7,480472-(1,008)-(106)6,838196
Equity securities available for sale:
Common stock---8-(1)7-
Total equity securities available for sale---8-(1)7-
Mortgage and other loans receivable11--(6)--5-
Other invested assets2043(3)22-(1)2254
Total$37,666$1,031$767$(2,504)$222$(1,145)$36,037$200
Net Changes in
Realized and Unrealized Gains
UnrealizedPurchases, (Losses) Included
Fair Value(Gains) LossesOtherSales,GrossGrossFair Valuein Income on
BeginningIncludedComprehensiveIssuances andTransfersTransfersEndInstruments Held
(in millions)of Periodin IncomeIncome (Loss)Settlements, NetInOutof Periodat End of Period
Liabilities:
Policyholder contract deposits$3,033$295$-$190$-$-$3,518$(185)
Derivative liabilities, net:
Interest rate contracts38(1)-(7)--302
Foreign exchange contracts111-(5)--7(1)
Equity contracts(58)(15)-10--(63)14
Credit contracts329(36)----29334
Other contracts(11)(39)-37(3)-(16)45
Total derivative liabilities, net(b)309(90)-35(3)-25194
Long-term debt(c)7114-(24)--61(4)
Total$3,413$219$-$201$(3)$-$3,830$(95)

(a) As a result of the adoption of the Financial Instruments Recognition and Measurement Standard on January 1, 2018, equity securities are no longer classified and accounted for as available for sale securities.

(b) Total Level 3 derivative exposures have been netted in these tables for presentation purposes only.

(c) Includes guaranteed investment agreements (GIAs), notes, bonds, loans and mortgages payable.

Net realized and unrealized gains and losses included in income related to Level 3 assets and liabilities shown above are reported in the Condensed Consolidated Statements of Income as follows:

NetNet Realized
InvestmentCapital Other
(in millions)IncomeGains (Losses)IncomeTotal
Three Months Ended June 30, 2018
Bonds available for sale$200$(50)$-$150
Other bond securities34-97131
Other equity securities(3)--(3)
Other invested assets32-(3)29
Six Months Ended June 30, 2018
Bonds available for sale$482$(112)$-$370
Other bond securities57(4)206259
Other equity securities(3)--(3)
Other invested assets57-(5)52
Three Months Ended June 30, 2017
Bonds available for sale$294$(36)$-$258
Other bond securities97(4)150243
Other invested assets31-4
Six Months Ended June 30, 2017
Bonds available for sale$592$(36)$-$556
Other bond securities1722298472
Other invested assets3(2)23
NetNet Realized
InvestmentCapital Other
(in millions)Income(Gains) LossesIncomeTotal
Three Months Ended June 30, 2018
Policyholder contract deposits$-$(238)$-$(238)
Derivative liabilities, net-(3)(6)(9)
Long-term debt----
Six Months Ended June 30, 2018
Policyholder contract deposits$-$(744)$-$(744)
Derivative liabilities, net-(2)(43)(45)
Long-term debt----
Three Months Ended June 30, 2017
Policyholder contract deposits$-$340$-$340
Derivative liabilities, net-(1)(41)(42)
Long-term debt--22
Six Months Ended June 30, 2017
Policyholder contract deposits$-$295$-$295
Derivative liabilities, net-(8)(82)(90)
Long-term debt--1414

The following table presents the gross components of purchases, sales, issuances and settlements, net, shown above, for the three- and six-month periods ended June 30, 2018 and 2017 related to Level 3 assets and liabilities in the Condensed Consolidated Balance Sheets:

IssuancesPurchases, Sales,
andIssuances and
(in millions)PurchasesSalesSettlements(a)Settlements, Net(a)
Three Months Ended June 30, 2018
Assets:
Bonds available for sale:
Obligations of states, municipalities and political subdivisions$9$-$(38)$(29)
Non-U.S. governments--(5)(5)
Corporate debt1(213)(182)(394)
RMBS274(5)(885)(616)
CMBS--(7)(7)
CDO/ABS475(62)(357)56
Total bonds available for sale759(280)(1,474)(995)
Other bond securities:
Corporate debt----
RMBS-(29)(76)(105)
CMBS----
CDO/ABS--(253)(253)
Total other bond securities-(29)(329)(358)
Other equity securities----
Other invested assets131(29)(24)78
Total assets$890$(338)$(1,827)$(1,275)
Liabilities:
Policyholder contract deposits$-$131$(55)$76
Derivative liabilities, net(12)-175
Long-term debt(b)----
Total liabilities$(12)$131$(38)$81
Three Months Ended June 30, 2017
Assets:
Bonds available for sale:
Obligations of states, municipalities and political subdivisions$186$(11)$(27)$148
Non-U.S. governments--(5)(5)
Corporate debt30(54)(129)(153)
RMBS301-(982)(681)
CMBS-(44)(230)(274)
CDO/ABS1,194-(448)746
Total bonds available for sale1,711(109)(1,821)(219)
Other bond securities:
Corporate debt11-(1)10
RMBS14-(72)(58)
CMBS--(1)(1)
CDO/ABS-(8)(441)(449)
Total other bond securities25(8)(515)(498)
Other equity securities----
Mortgage and other loans receivable-(6)-(6)
Other invested assets42(2)(1)39
Total assets$1,778$(125)$(2,337)$(684)
Liabilities:
Policyholder contract deposits$-$82$24$106
Derivative liabilities, net--1616
Long-term debt(b)--11
Total liabilities$-$82$41$123
IssuancesPurchases, Sales,
andIssuances and
(in millions)PurchasesSalesSettlements(a)Settlements, Net(a)
Six Months Ended June 30, 2018
Assets:
Bonds available for sale:
Obligations of states, municipalities and political subdivisions$24$-$(122)$(98)
Non-U.S. governments2-(6)(4)
Corporate debt255(216)(185)(146)
RMBS507(10)(1,649)(1,152)
CMBS12-(42)(30)
CDO/ABS970(913)(711)(654)
Total bonds available for sale1,770(1,139)(2,715)(2,084)
Other bond securities:
Corporate debt----
RMBS1(34)(148)(181)
CMBS--(1)(1)
CDO/ABS-(4)(509)(513)
Total other bond securities1(38)(658)(695)
Other equity securities3--3
Mortgage and other loans receivable-(5)-(5)
Other invested assets153(29)(28)96
Total assets$1,927$(1,211)$(3,401)$(2,685)
Liabilities:
Policyholder contract deposits$-$243$(101)$142
Derivative liabilities, net(19)-5132
Long-term debt(b)----
Total liabilities$(19)$243$(50)$174
Six Months Ended June 30, 2017
Assets:
Bonds available for sale:
Obligations of states, municipalities and political subdivisions$223$(16)$(38)$169
Non-U.S. governments-(1)(5)(6)
Corporate debt30(54)(142)(166)
RMBS640(244)(1,935)(1,539)
CMBS39(111)(550)(622)
CDO/ABS1,207-(563)644
Total bonds available for sale2,139(426)(3,233)(1,520)
Other bond securities:
Corporate debt11-(1)10
RMBS112(167)(128)(183)
CMBS-(11)(7)(18)
CDO/ABS-(8)(809)(817)
Total other bond securities123(186)(945)(1,008)
Equity securities available for sale8--8
Other equity securities----
Mortgage and other loans receivable-(6)-(6)
Other invested assets43(2)(19)22
Total assets$2,313$(620)$(4,197)$(2,504)
Liabilities:
Policyholder contract deposits$-$152$38$190
Derivative liabilities, net--3535
Long-term debt(b)--(24)(24)
Total liabilities$-$152$49$201

(a) There were no issuances during the three- and six-month periods ended June 30, 2018 and 2017, respectively.

(b) Includes GIAs, notes, bonds, loans and mortgages payable.

Both observable and unobservable inputs may be used to determine the fair values of positions classified in Level 3 in the tables above. As a result, the unrealized gains (losses) on instruments held at June 30, 2018 and 2017 may include changes in fair value that were attributable to both observable (e.g., changes in market interest rates) and unobservable inputs (e.g., changes in unobservable long-dated volatilities).

Transfers of Level 3 Assets and Liabilities

We record transfers of assets and liabilities into or out of Level 3 classification at their fair values as of the end of each reporting period, consistent with the date of the determination of fair value. The Net realized and unrealized gains (losses) included in income or Other comprehensive income (loss) as shown in the table above excludes $24 million of net gains related to assets and liabilities transferred into Level 3 during the six-month period ended June 30, 2018 and includes $22 million of net losses related to assets and liabilities transferred out of Level 3 in both the three- and six-month periods ended June 30, 2018.

The Net realized and unrealized gains (losses) included in income or Other comprehensive income (loss) as shown in the table above excludes $1 million of net gains and $8 million of net losses related to assets and liabilities transferred into Level 3 during the three- and six-month periods ended June 30, 2017, respectively, and includes $7 million of net losses related to assets and liabilities transferred out of Level 3 in both the three- and six-month periods ended June 30, 2017.

Transfers of Level 3 Assets

During the three- and six-month periods ended June 30, 2018 and 2017, transfers into Level 3 assets primarily included certain investments in private placement corporate debt, RMBS, CMBS and CDO/ABS. Transfers of private placement corporate debt and certain ABS into Level 3 assets were primarily the result of limited market pricing information that required us to determine fair value for these securities based on inputs that are adjusted to better reflect our own assumptions regarding the characteristics of a specific security or associated market liquidity. The transfers of investments in RMBS, CMBS and CDO and certain ABS into Level 3 assets were due to decreases in market transparency and liquidity for individual security types.

During the three- and six-month periods ended June 30, 2018 and 2017, transfers out of Level 3 assets primarily included private placement and other corporate debt, CMBS, RMBS, CDO/ABS and certain investments in municipal securities. Transfers of certain investments in municipal securities, corporate debt, RMBS, CMBS and CDO/ABS out of Level 3 assets were based on consideration of market liquidity as well as related transparency of pricing and associated observable inputs for these investments. Transfers of certain investments in private placement corporate debt and certain ABS out of Level 3 assets were primarily the result of using observable pricing information that reflects the fair value of those securities without the need for adjustment based on our own assumptions regarding the characteristics of a specific security or the current liquidity in the market.

Transfers of Level 3 Liabilities

There were no significant transfers of derivative or other liabilities into or out of Level 3 for the three- and six-month periods ended June 30, 2018 and 2017.

QUANTITATIVE INFORMATION ABOUT LEVEL 3 FAIR VALUE MEASUREMENTS

The table below presents information about the significant unobservable inputs used for recurring fair value measurements for certain Level 3 instruments, and includes only those instruments for which information about the inputs is reasonably available to us, such as data from independent third-party valuation service providers and from internal valuation models. Because input information from third-parties with respect to certain Level 3 instruments (primarily CDO/ABS) may not be reasonably available to us, balances shown below may not equal total amounts reported for such Level 3 assets and liabilities:

Fair Value at
June 30,ValuationRange
(in millions)2018TechniqueUnobservable Input(b)(Weighted Average)
Assets:
Obligations of states, municipalities
and political subdivisions$1,521Discounted cash flowYield3.93% - 4.54% (4.24%)
Corporate debt721Discounted cash flowYield3.52% - 14.75% (9.14%)
RMBS(a)14,915Discounted cash flowConstant prepayment rate4.29% - 12.86% (8.57%)
Loss severity39.93% - 75.33% (57.63%)
Constant default rate2.80% - 7.70% (5.25%)
Yield3.14% - 5.42% (4.28%)
CDO/ABS(a)4,261Discounted cash flowYield3.93% - 5.25% (4.59%)
CMBS442Discounted cash flowYield2.86% - 6.36% (4.61%)
Liabilities:
Embedded derivatives within
Policyholder contract deposits:
Guaranteed minimum withdrawal benefits (GMWB)1,332Discounted cash flowEquity volatility6.35% - 50.05%
Base lapse rate0.35% - 14.00%
Dynamic lapse multiplier30.00% - 170.00%
Mortality multiplier(c)40.00% - 153.00%
Utilization90.00% - 100.00%
Equity / interest-rate correlation20.00% - 40.00%
Index Annuities1,614Discounted cash flowLapse rate0.50% - 40.00%
Mortality multiplier(c)42.00% - 162.00%
Option Budget1.00% - 4.00%
Indexed Life563Discounted cash flowBase lapse rate2.00% - 19.00%
Mortality rate0.00% - 40.00%

Fair Value at
December 31,ValuationRange
(in millions)2017TechniqueUnobservable Input(b)(Weighted Average)
Assets:
Obligations of states, municipalities
and political subdivisions$1,620Discounted cash flowYield 3.55% - 4.32% (3.94%)
Corporate debt1,086Discounted cash flowYield3.26% - 12.22% (7.74%)
RMBS(a)16,156Discounted cash flowConstant prepayment rate 3.97% - 13.42% (8.69%)
Loss severity 43.15% - 77.15% (60.15%)
Constant default rate 3.31% - 8.30% (5.80%)
Yield 2.73% - 5.19% (3.96%)
CDO/ABS(a)5,254Discounted cash flowYield3.38% - 4.78% (4.08%)
CMBS487Discounted cash flowYield2.22% - 7.77% (4.99%)
Liabilities:
Embedded derivatives within
Policyholder contract deposits:
GMWB1,994Discounted cash flowEquity volatility 6.45% - 51.25%
Base lapse rate 0.35% - 14.00%
Dynamic lapse multiplier 30.00% - 170.00%
Mortality multiplier(c) 40.00% - 153.00%
Utilization90.00% - 100.00%
Equity / interest-rate correlation 20.00% - 40.00%
Index Annuities1,603Discounted cash flowLapse rate 0.50% - 40.00%
Mortality multiplier(c) 42.00% - 162.00%
Option Budget 1.00% - 4.00%
Indexed Life515Discounted cash flowBase lapse rate 2.00% - 19.00%
Mortality rate 0.00% - 40.00%

(a) Information received from third-party valuation service providers. The ranges of the unobservable inputs for constant prepayment rate, loss severity and constant default rate relate to each of the individual underlying mortgage loans that comprise the entire portfolio of securities in the RMBS and CDO securitization vehicles and not necessarily to the securitization vehicle bonds (tranches) purchased by us. The ranges of these inputs do not directly correlate to changes in the fair values of the tranches purchased by us, because there are other factors relevant to the fair values of specific tranches owned by us including, but not limited to, purchase price, position in the waterfall, senior versus subordinated position and attachment points.

(b) Represents discount rates, estimates and assumptions that we believe would be used by market participants when valuing these assets and liabilities.

(c) Mortality inputs are shown as multipliers of the 2012 Individual Annuity Mortality Basic table.

The ranges of reported inputs for Obligations of states, municipalities and political subdivisions, Corporate debt, RMBS, CDO/ABS, and CMBS valued using a discounted cash flow technique consist of one standard deviation in either direction from the value-weighted average. The preceding table does not give effect to our risk management practices that might offset risks inherent in these Level 3 assets and liabilities.

Sensitivity to Changes in Unobservable Inputs

We consider unobservable inputs to be those for which market data is not available and that are developed using the best information available to us about the assumptions that market participants would use when pricing the asset or liability. Relevant inputs vary depending on the nature of the instrument being measured at fair value. The following paragraphs provide a general description of sensitivities of significant unobservable inputs along with interrelationships between and among the significant unobservable inputs and their impact on the fair value measurements. The effect of a change in a particular assumption in the sensitivity analysis below is considered independently of changes in any other assumptions. In practice, simultaneous changes in assumptions may not always have a linear effect on the inputs discussed below. Interrelationships may also exist between observable and unobservable inputs. Such relationships have not been included in the discussion below. For each of the individual relationships described below, the inverse relationship would also generally apply.

Obligations of States, Municipalities and Political Subdivisions

The significant unobservable input used in the fair value measurement of certain investments in obligations of states, municipalities and political subdivisions is yield.  In general, increases in the yield would decrease the fair value of investments in obligations of states, municipalities and political subdivisions.

Corporate Debt

Corporate debt securities included in Level 3 are primarily private placement issuances that are not traded in active markets or that are subject to transfer restrictions. Fair value measurements consider illiquidity and non-transferability. When observable price quotations are not available, fair value is determined based on discounted cash flow models using discount rates based on credit spreads, yields or price levels of publicly-traded debt of the issuer or other comparable securities, considering illiquidity and structure. The significant unobservable input used in the fair value measurement of corporate debt is the yield. The yield is affected by the market movements in credit spreads and U.S. Treasury yields. In addition, the migration in credit quality of a given security generally has a corresponding effect on the fair value measurement of the security. For example, a downward migration of credit quality would increase spreads. Holding U.S. Treasury rates constant, an increase in corporate credit spreads would decrease the fair value of corporate debt.

RMBS and CDO/ABS

The significant unobservable inputs used in fair value measurements of RMBS and certain CDO/ABS valued by third-party valuation service providers are constant prepayment rates (CPR), loss severity, constant default rates (CDR) and yield. A change in the assumptions used for the probability of default will generally be accompanied by a corresponding change in the assumption used for the loss severity and an inverse change in the assumption used for prepayment rates. In general, increases in CPR, loss severity, CDR and yield, in isolation, would result in a decrease in the fair value measurement. Changes in fair value based on variations in assumptions generally cannot be extrapolated because the relationship between the directional change of each input is not usually linear.

CMBS

The significant unobservable input used in fair value measurements for CMBS is the yield. Prepayment assumptions for each mortgage pool are factored into the yield. CMBS generally feature a lower degree of prepayment risk than RMBS because commercial mortgages generally contain a penalty for prepayment. In general, increases in the yield would decrease the fair value of CMBS.

Embedded derivatives within Policyholder contract deposits

Embedded derivatives reported within Policyholder contract deposits include GMWB within variable annuity products and interest crediting rates based on market indices within index annuities, indexed life and GICs. For any given contract, assumptions for unobservable inputs vary throughout the period over which cash flows are projected for purposes of valuing the embedded derivative. The following unobservable inputs are used for valuing embedded derivatives measured at fair value:

  • Long-term equity volatilities represent equity volatility beyond the period for which observable equity volatilities are available. Increases in assumed volatility will generally increase the fair value of both the projected cash flows from rider fees as well as the projected cash flows related to benefit payments. Therefore, the net change in the fair value of the liability may be either a decrease or an increase, depending on the relative changes in projected rider fees and projected benefit payments.
  • Equity / interest rate correlation estimates the relationship between changes in equity returns and interest rates in the economic scenario generator used to value our GMWB embedded derivatives. In general, a higher positive correlation assumes that equity markets and interest rates move in a more correlated fashion, which generally increases the fair value of the liability.
  • Base lapse rate assumptions are determined by company experience and are adjusted at the contract level using a dynamic lapse function, which reduces the base lapse rate when the contract is in-the-money (when the contract holder’s guaranteed value, as estimated by the company, is worth more than their underlying account value). Lapse rates are also generally assumed to be lower in periods when a surrender charge applies. Increases in assumed lapse rates will generally decrease the fair value of the liability, as fewer policyholders would persist to collect guaranteed withdrawal amounts.
  • Mortality rate assumptions, which vary by age and gender, are based on company experience and include a mortality improvement assumption. Increases in assumed mortality rates will decrease the fair value of the liability, while lower mortality rate assumptions will generally increase the fair value of the liability, because guaranteed payments will be made for a longer period of time.
  • Utilization assumptions estimate the timing when policyholders with a GMWB will elect to utilize their benefit and begin taking withdrawals. The assumptions may vary by the type of guarantee, tax-qualified status, the contract’s withdrawal history and the age of the policyholder. Utilization assumptions are based on company experience, which includes partial withdrawal behavior. Increases in assumed utilization rates will generally increase the fair value of the liability.
  • Option budget estimates the expected long-term cost of options used to hedge exposures associated with equity price changes. The level of option budgets determines future costs of the options, which impacts the growth in account value and the valuation of embedded derivatives.

Investments in Certain Entities Carried at Fair Value Using Net Asset Value Per Share

The following table includes information related to our investments in certain other invested assets, including private equity funds, hedge funds and other alternative investments that calculate net asset value per share (or its equivalent). For these investments, which are measured at fair value on a recurring basis, we use the net asset value per share to measure fair value.

June 30, 2018December 31, 2017
Fair ValueFair Value
Using NAVUsing NAV
Per Share (orUnfundedPer Share (orUnfunded
(in millions)Investment Category Includesits equivalent)Commitmentsits equivalent)Commitments
Investment Category
Private equity funds:
Leveraged buyoutDebt and/or equity investments made as part of a transaction in which assets of mature companies are acquired from the current shareholders, typically with the use of financial leverage$1,244$787$1,243$706
Real Estate / InfrastructureInvestments in real estate properties and infrastructure positions, including power plants and other energy generating facilities209140210187
Venture capitalEarly-stage, high-potential, growth companies expected to generate a return through an eventual realization event, such as an initial public offering or sale of the company14612213473
DistressedSecurities of companies that are in default, under bankruptcy protection, or troubled 1069111342
OtherIncludes multi-strategy, mezzanine and other strategies546167428219
Total private equity funds2,2511,3072,1281,227
Hedge funds:
Event-drivenSecurities of companies undergoing material structural changes, including mergers, acquisitions and other reorganizations893-1,128-
Long-shortSecurities that the manager believes are undervalued, with corresponding short positions to hedge market risk1,084-1,233-
MacroInvestments that take long and short positions in financial instruments based on a top-down view of certain economic and capital market conditions966-1,011-
DistressedSecurities of companies that are in default, under bankruptcy protection or troubled 13682668
OtherIncludes investments held in funds that are less liquid, as well as other strategies which allow for broader allocation between public and private investments19722314
Total hedge funds3,276103,86912
Total$5,527$1,317$5,997$1,239

Private equity fund investments included above are not redeemable, because distributions from the funds will be received when underlying investments of the funds are liquidated. Private equity funds are generally expected to have 10-year lives at their inception, but these lives may be extended at the fund manager’s discretion, typically in one or two-year increments. At June 30, 2018, assuming average original expected lives of 10 years for the funds, 50 percent of the total fair value using net asset value per share (or its equivalent) presented above would have expected remaining lives of three years or less, 24 percent between four and six years and 26 percent between seven and 10 years.

The hedge fund investments included above, which are carried at fair value, are generally redeemable monthly (30 percent), quarterly (38 percent), semi-annually (9 percent) and annually (23 percent), with redemption notices ranging from one day to 180 days. At June 30, 2018, investments representing approximately 54 percent of the total fair value of these hedge fund investments had partial contractual redemption restrictions. These partial redemption restrictions are generally related to one or more investments held in the hedge funds that the fund manager deemed to be illiquid. The majority of these contractual restrictions, which may have been put in place at the fund’s inception or thereafter, have pre-defined end dates. The majority of these restrictions are generally expected to be lifted by the end of 2018.

Fair Value Option

The following table presents the gains or losses recorded related to the eligible instruments for which we elected the fair value option:

Gain (Loss) Three Months Ended June 30,Gain (Loss) Six Months Ended June 30,
(in millions)2018201720182017
Assets:
Bond and equity securities$129$450$152$799
Alternative investments(a)9696224277
Liabilities:
Long-term debt(b)16(33)68(48)
Other liabilities-(1)-(1)
Total gain$241$512$444$1,027

(a) Includes certain hedge funds, private equity funds and other investment partnerships.

(b) Includes GIAs, notes, bonds and mortgages payable.

We recognized a loss of $3 million and an immaterial gain during the three- and six-month periods ended June 30, 2017, respectively, attributable to the observable effect of changes in credit spreads on our own liabilities for which the fair value option was elected. We calculate the effect of these credit spread changes using discounted cash flow techniques that incorporate current market interest rates, our observable credit spreads on these liabilities and other factors that mitigate the risk of nonperformance such as cash collateral posted.

As a result of the adoption of the Financial Instruments Recognition and Measurement Standard on January 1, 2018, we are required to record unrealized gains and losses attributable to the observable effect of changes in credit spreads on our liabilities for which the fair value option was elected in Other Comprehensive Income. An unrealized loss of $1 million and an unrealized gain of $1 million were recognized in Other Comprehensive Income for the three- and six-month periods ended June 30, 2018, respectively.

The following table presents the difference between fair values and the aggregate contractual principal amounts of mortgage and other loans receivable and long-term debt for which the fair value option was elected:

June 30, 2018December 31, 2017
OutstandingOutstanding
(in millions)Fair ValuePrincipal AmountDifferenceFair ValuePrincipal AmountDifference
Assets:
Mortgage and other loans receivable$-$-$-$5$5$-
Liabilities:
Long-term debt*$2,615$2,114$501$2,888$2,280$608

* Includes GIAs, notes, bonds, loans and mortgages payable.

FAIR VALUE MEASUREMENTS ON A NON-RECURRING BASIS

The following table presents assets measured at fair value on a non-recurring basis at the time of impairment and the related impairment charges recorded during the periods presented:

Assets at Fair ValueImpairment Charges*
Non-Recurring BasisThree Months Ended June 30,Six Months Ended June 30,
(in millions) Level 1 Level 2 Level 3 Total 2018201720182017
June 30, 2018
Other investments$-$-$344$344$61$33$89$50
Investments in life settlements-----46-87
Other assets----1-135
Total$-$-$344$344$62$79$90$172
December 31, 2017
Other investments$-$-$55$55
Investments in life settlements----
Other assets----
Total$-$-$55$55

* Impairments in the six-month period ended June 30, 2017 included $35 million related to Other assets of $179 million that were sold during the three-month period ended June 30, 2017.

FAIR VALUE INFORMATION ABOUT FINANCIAL INSTRUMENTS NOT MEASURED AT FAIR VALUE

The following table presents the carrying amounts and estimated fair values of our financial instruments not measured at fair value and indicates the level in the fair value hierarchy of the estimated fair value measurement based on the observability of the inputs used:

Estimated Fair ValueCarrying
(in millions)Level 1Level 2Level 3TotalValue
June 30, 2018
Assets:
Mortgage and other loans receivable$-$111$39,520$39,631$39,978
Other invested assets-7816787782
Short-term investments-13,765-13,76513,765
Cash2,135--2,1352,135
Liabilities:
Policyholder contract deposits associated
with investment-type contracts-363121,923122,286118,309
Other liabilities-1,982-1,9821,982
Long-term debt-23,3944,82328,21731,169
December 31, 2017
Assets:
Mortgage and other loans receivable$-$117$37,644$37,761$37,018
Other invested assets-5906596593
Short-term investments-7,771-7,7717,771
Cash2,362--2,3622,362
Liabilities:
Policyholder contract deposits associated
with investment-type contracts-387121,809122,196114,326
Other liabilities-4,494-4,4944,494
Long-term debt-23,9304,31328,24328,752