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FAIR VALUE MEASUREMENTS (Tables)
9 Months Ended
Sep. 30, 2018
FAIR VALUE MEASUREMENTS  
Assets and liabilities measured at fair value on a recurring basis
September 30, 2018 CounterpartyCash
(in millions) Level 1Level 2Level 3Netting(a)CollateralTotal
Assets:
Bonds available for sale:
U.S. government and government sponsored entities$9$3,084$-$-$-$3,093
Obligations of states, municipalities and political subdivisions-14,5161,996--16,512
Non-U.S. governments1915,1964--15,219
Corporate debt-130,942942--131,884
RMBS-20,36514,861--35,226
CMBS-11,990701--12,691
CDO/ABS-9,2638,832--18,095
Total bonds available for sale28205,35627,336--232,720
Other bond securities:
U.S. government and government sponsored entities962,538---2,634
Non-U.S. governments-49---49
Corporate debt-1,707---1,707
RMBS-3111,349--1,660
CMBS-32873--401
CDO/ABS-5114,458--4,969
Total other bond securities965,4445,880--11,420
Other equity securities(b)1,4001825--1,443
Mortgage and other loans receivable------
Other invested assets(c)-603398--1,001
Derivative assets:
Interest rate contracts-2,505---2,505
Foreign exchange contracts-927---927
Equity contracts16220104--340
Credit contracts--1--1
Other contracts--15--15
Counterparty netting and cash collateral---(1,874)(964)(2,838)
Total derivative assets163,652120(1,874)(964)950
Short-term investments2,5131,120---3,633
Separate account assets88,0924,953---93,045
Total$92,145$221,146$33,759$(1,874)$(964)$344,212
Liabilities:
Policyholder contract deposits$-$-$3,376$-$-$3,376
Derivative liabilities:
Interest rate contracts12,10612--2,119
Foreign exchange contracts-1,0825--1,087
Equity contracts221--5
Credit contracts-15237--252
Other contracts--3--3
Counterparty netting and cash collateral---(1,874)(290)(2,164)
Total derivative liabilities33,205258(1,874)(290)1,302
Long-term debt-2,311---2,311
Other liabilities16524---189
Total$168$5,540$3,634$(1,874)$(290)$7,178

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 $5.1 billion and $6.0 billion as of September 30, 2018 and December 31, 2017, respectively.

Changes in Level 3 recurring fair value measurements (Assets)
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, NetInOutAcquisitionof Periodat End of Period
Three Months Ended September 30, 2018
Assets:
Bonds available for sale:
Obligations of states, municipalities
and political subdivisions$2,056$-$(37)$(46)$54$(31)$-$1,996$-
Non-U.S. governments--(1)14--4-
Corporate debt8847(10)(28)133(44)-942-
RMBS15,3772135(725)-(16)714,861-
CMBS60514(14)3164-1701-
CDO/ABS6,85615(31)3201,508-1648,832-
Total bonds available for sale25,778249(88)(447)1,763(91)17227,336-
Other bond securities:
Corporate debt18--(18)----(2)
RMBS1,33818-(57)50--1,349(29)
CMBS71(2)--4--73(2)
CDO/ABS4,64176-(267)--84,458(6)
Total other bond securities6,06892-(342)54-85,880(39)
Other equity securities(a)-1-24---25-
Mortgage and other loans receivable---------
Other invested assets399--(1)---398-
Total$32,245$342$(88)$(766)$1,817$(91)$180$33,639$(39)
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, NetInOutAcquisitionof Periodat End of Period
Liabilities:
Policyholder contract deposits$3,534$(242)$-$84$-$-$-$3,376$179
Derivative liabilities, net:
Interest rate contracts14(1)-(1)---121
Foreign exchange contracts52-(2)---5(5)
Equity contracts(79)(12)-(12)---(103)10
Credit contracts246(9)-(1)---23610
Other contracts(10)(19)-17---(12)14
Total derivative liabilities, net(b)176(39)-1---13830
Long-term debt(c)---------
Total$3,710$(281)$-$85$-$-$-$3,514$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, NetInOutAcquisitionof Periodat End of Period
Nine Months Ended September 30, 2018
Assets:
Bonds available for sale:
Obligations of states, municipalities
and political subdivisions$2,404$1$(152)$(144)$54$(167)$-$1,996$-
Non-U.S. governments8(5)5(3)4(5)-4-
Corporate debt1,173(58)(7)(174)701(693)-942-
RMBS16,1366325(1,877)8(50)714,861-
CMBS62418(35)1111(19)1701-
CDO/ABS8,65131(116)(334)1,508(1,072)1648,832-
Total bonds available for sale28,996619(300)(2,531)2,386(2,006)17227,336-
Other bond securities:
Corporate debt18--(18)----(1)
RMBS1,46473-(238)50--1,349124
CMBS74(5)-(1)5--732
CDO/ABS4,956283-(780)-(9)84,458201
Total other bond securities6,512351-(1,037)55(9)85,880326
Other equity securities(a)-(2)-27---25-
Mortgage and other loans receivable5--(5)-----
Other invested assets25052195---39856
Total$35,763$1,020$(299)$(3,451)$2,441$(2,015)$180$33,639$382
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, NetInOutAcquisitionof Periodat End of Period
Liabilities:
Policyholder contract deposits$4,136$(986)$-$226$-$-$-$3,376$1,081
Derivative liabilities, net:
Interest rate contracts22(5)-(5)---125
Foreign exchange contracts-(2)-7---5(5)
Equity contracts(82)(3)-(20)-2-(103)2
Credit contracts262(23)-(3)---23623
Other contracts(15)(51)-54---(12)42
Total derivative liabilities, net(b)187(84)-33-2-13867
Long-term debt(c)---------
Total$4,323$(1,070)$-$259$-$2$-$3,514$1,148

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 September 30, 2017
Assets:
Bonds available for sale:
Obligations of states, municipalities
and political subdivisions$2,285$2$38$52$-$(6)$2,371$-
Non-U.S. governments12(5)4---11-
Corporate debt9325(2)(53)449(121)1,210-
RMBS16,393253495(731)11(7)16,414-
CMBS73525(77)--665-
CDO/ABS8,6058(12)(166)-(21)8,414-
Total bonds available for sale28,962265528(975)460(155)29,085-
Other bond securities:
Corporate debt281---(11)18-
RMBS1,51063-(130)--1,44349
CMBS662-42-(45)653
CDO/ABS5,234111-(505)-(6)4,834(34)
Total other bond securities6,838177-(593)-(62)6,36018
Equity securities available for sale:
Common stock7--(2)--5-
Total equity securities available for sale7--(2)--5-
Mortgage and other loans receivable5-----5-
Other invested assets225-(2)36--259(3)
Total$36,037$442$526$(1,534)$460$(217)$35,714$15
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$3,518$299$-$157$-$-$3,974$(220)
Derivative liabilities, net:
Interest rate contracts30(2)-(2)--261
Foreign exchange contracts7--(4)--3-
Equity contracts(63)(11)-5--(69)8
Credit contracts293(19)-(1)--27319
Other contracts(16)(19)-19--(16)12
Total derivative liabilities, net(b)251(51)-17--21740
Long-term debt(c)612-(60)--34
Total$3,830$250$-$114$-$-$4,194$(176)

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
Nine Months Ended September 30, 2017
Assets:
Bonds available for sale:
Obligations of states, municipalities
and political subdivisions$2,040$3$123$221$8$(24)$2,371$-
Non-U.S. governments17(5)5(6)--11-
Corporate debt1,1336(2)(219)655(363)1,210-
RMBS16,906806992(2,270)19(39)16,414-
CMBS2,0402512(699)-(713)665-
CDO/ABS7,835(14)168478-(53)8,414-
Total bonds available for sale29,9718211,298(2,495)682(1,192)29,085-
Other bond securities:
Corporate debt172-10-(11)181
RMBS1,605184-(313)-(33)1,443116
CMBS1554-24-(118)656
CDO/ABS5,703459-(1,322)-(6)4,83491
Total other bond securities7,480649-(1,601)-(168)6,360214
Equity securities available for sale:
Common stock---6-(1)5-
Total equity securities available for sale---6-(1)5-
Mortgage and other loans receivable11--(6)--5-
Other invested assets2043(5)58-(1)2591
Total$37,666$1,473$1,293$(4,038)$682$(1,362)$35,714$215
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$594$-$347$-$-$3,974$(405)
Derivative liabilities, net:
Interest rate contracts38(3)-(9)--263
Foreign exchange contracts111-(9)--3(1)
Equity contracts(58)(26)-15--(69)22
Credit contracts329(55)-(1)--27353
Other contracts(11)(58)-56(3)-(16)57
Total derivative liabilities, net(b)309(141)-52(3)-217134
Long-term debt(c)7116-(84)--3-
Total$3,413$469$-$315$(3)$-$4,194$(271)

(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.

Changes in Level 3 recurring fair value measurements (Liabilities)
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, NetInOutAcquisitionof Periodat End of Period
Three Months Ended September 30, 2018
Assets:
Bonds available for sale:
Obligations of states, municipalities
and political subdivisions$2,056$-$(37)$(46)$54$(31)$-$1,996$-
Non-U.S. governments--(1)14--4-
Corporate debt8847(10)(28)133(44)-942-
RMBS15,3772135(725)-(16)714,861-
CMBS60514(14)3164-1701-
CDO/ABS6,85615(31)3201,508-1648,832-
Total bonds available for sale25,778249(88)(447)1,763(91)17227,336-
Other bond securities:
Corporate debt18--(18)----(2)
RMBS1,33818-(57)50--1,349(29)
CMBS71(2)--4--73(2)
CDO/ABS4,64176-(267)--84,458(6)
Total other bond securities6,06892-(342)54-85,880(39)
Other equity securities(a)-1-24---25-
Mortgage and other loans receivable---------
Other invested assets399--(1)---398-
Total$32,245$342$(88)$(766)$1,817$(91)$180$33,639$(39)
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, NetInOutAcquisitionof Periodat End of Period
Liabilities:
Policyholder contract deposits$3,534$(242)$-$84$-$-$-$3,376$179
Derivative liabilities, net:
Interest rate contracts14(1)-(1)---121
Foreign exchange contracts52-(2)---5(5)
Equity contracts(79)(12)-(12)---(103)10
Credit contracts246(9)-(1)---23610
Other contracts(10)(19)-17---(12)14
Total derivative liabilities, net(b)176(39)-1---13830
Long-term debt(c)---------
Total$3,710$(281)$-$85$-$-$-$3,514$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, NetInOutAcquisitionof Periodat End of Period
Nine Months Ended September 30, 2018
Assets:
Bonds available for sale:
Obligations of states, municipalities
and political subdivisions$2,404$1$(152)$(144)$54$(167)$-$1,996$-
Non-U.S. governments8(5)5(3)4(5)-4-
Corporate debt1,173(58)(7)(174)701(693)-942-
RMBS16,1366325(1,877)8(50)714,861-
CMBS62418(35)1111(19)1701-
CDO/ABS8,65131(116)(334)1,508(1,072)1648,832-
Total bonds available for sale28,996619(300)(2,531)2,386(2,006)17227,336-
Other bond securities:
Corporate debt18--(18)----(1)
RMBS1,46473-(238)50--1,349124
CMBS74(5)-(1)5--732
CDO/ABS4,956283-(780)-(9)84,458201
Total other bond securities6,512351-(1,037)55(9)85,880326
Other equity securities(a)-(2)-27---25-
Mortgage and other loans receivable5--(5)-----
Other invested assets25052195---39856
Total$35,763$1,020$(299)$(3,451)$2,441$(2,015)$180$33,639$382
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, NetInOutAcquisitionof Periodat End of Period
Liabilities:
Policyholder contract deposits$4,136$(986)$-$226$-$-$-$3,376$1,081
Derivative liabilities, net:
Interest rate contracts22(5)-(5)---125
Foreign exchange contracts-(2)-7---5(5)
Equity contracts(82)(3)-(20)-2-(103)2
Credit contracts262(23)-(3)---23623
Other contracts(15)(51)-54---(12)42
Total derivative liabilities, net(b)187(84)-33-2-13867
Long-term debt(c)---------
Total$4,323$(1,070)$-$259$-$2$-$3,514$1,148

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 September 30, 2017
Assets:
Bonds available for sale:
Obligations of states, municipalities
and political subdivisions$2,285$2$38$52$-$(6)$2,371$-
Non-U.S. governments12(5)4---11-
Corporate debt9325(2)(53)449(121)1,210-
RMBS16,393253495(731)11(7)16,414-
CMBS73525(77)--665-
CDO/ABS8,6058(12)(166)-(21)8,414-
Total bonds available for sale28,962265528(975)460(155)29,085-
Other bond securities:
Corporate debt281---(11)18-
RMBS1,51063-(130)--1,44349
CMBS662-42-(45)653
CDO/ABS5,234111-(505)-(6)4,834(34)
Total other bond securities6,838177-(593)-(62)6,36018
Equity securities available for sale:
Common stock7--(2)--5-
Total equity securities available for sale7--(2)--5-
Mortgage and other loans receivable5-----5-
Other invested assets225-(2)36--259(3)
Total$36,037$442$526$(1,534)$460$(217)$35,714$15
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$3,518$299$-$157$-$-$3,974$(220)
Derivative liabilities, net:
Interest rate contracts30(2)-(2)--261
Foreign exchange contracts7--(4)--3-
Equity contracts(63)(11)-5--(69)8
Credit contracts293(19)-(1)--27319
Other contracts(16)(19)-19--(16)12
Total derivative liabilities, net(b)251(51)-17--21740
Long-term debt(c)612-(60)--34
Total$3,830$250$-$114$-$-$4,194$(176)

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
Nine Months Ended September 30, 2017
Assets:
Bonds available for sale:
Obligations of states, municipalities
and political subdivisions$2,040$3$123$221$8$(24)$2,371$-
Non-U.S. governments17(5)5(6)--11-
Corporate debt1,1336(2)(219)655(363)1,210-
RMBS16,906806992(2,270)19(39)16,414-
CMBS2,0402512(699)-(713)665-
CDO/ABS7,835(14)168478-(53)8,414-
Total bonds available for sale29,9718211,298(2,495)682(1,192)29,085-
Other bond securities:
Corporate debt172-10-(11)181
RMBS1,605184-(313)-(33)1,443116
CMBS1554-24-(118)656
CDO/ABS5,703459-(1,322)-(6)4,83491
Total other bond securities7,480649-(1,601)-(168)6,360214
Equity securities available for sale:
Common stock---6-(1)5-
Total equity securities available for sale---6-(1)5-
Mortgage and other loans receivable11--(6)--5-
Other invested assets2043(5)58-(1)2591
Total$37,666$1,473$1,293$(4,038)$682$(1,362)$35,714$215
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$594$-$347$-$-$3,974$(405)
Derivative liabilities, net:
Interest rate contracts38(3)-(9)--263
Foreign exchange contracts111-(9)--3(1)
Equity contracts(58)(26)-15--(69)22
Credit contracts329(55)-(1)--27353
Other contracts(11)(58)-56(3)-(16)57
Total derivative liabilities, net(b)309(141)-52(3)-217134
Long-term debt(c)7116-(84)--3-
Total$3,413$469$-$315$(3)$-$4,194$(271)

(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.

Schedule of net realized and unrealized gains and losses related to Level 3 items
NetNet Realized
InvestmentCapital Other
(in millions)IncomeGains (Losses)IncomeTotal
Three Months Ended September 30, 2018
Bonds available for sale$249$-$-$249
Other bond securities3515692
Other equity securities1--1
Other invested assets----
Nine Months Ended September 30, 2018
Bonds available for sale$731$(112)$-$619
Other bond securities92(3)262351
Other equity securities(2)--(2)
Other invested assets57-(5)52
Three Months Ended September 30, 2017
Bonds available for sale$257$8$-$265
Other bond securities87(2)92177
Other invested assets21(3)-
Nine Months Ended September 30, 2017
Bonds available for sale$849$(28)$-$821
Other bond securities259-390649
Other invested assets5(1)(1)3
NetNet Realized
InvestmentCapital Other
(in millions)Income(Gains) LossesIncomeTotal
Three Months Ended September 30, 2018
Policyholder contract deposits$-$(242)$-$(242)
Derivative liabilities, net-(1)(38)(39)
Long-term debt----
Nine Months Ended September 30, 2018
Policyholder contract deposits$-$(986)$-$(986)
Derivative liabilities, net-(3)(81)(84)
Long-term debt----
Three Months Ended September 30, 2017
Policyholder contract deposits$-$299$-$299
Derivative liabilities, net-(5)(46)(51)
Long-term debt--22
Nine Months Ended September 30, 2017
Policyholder contract deposits$-$594$-$594
Derivative liabilities, net-(13)(128)(141)
Long-term debt--1616
Gross components of purchases, sales, issues and settlements, net
IssuancesPurchases, Sales,
andIssuances and
(in millions)PurchasesSalesSettlements(a)Settlements, Net(a)
Three Months Ended September 30, 2018
Assets:
Bonds available for sale:
Obligations of states, municipalities and political subdivisions$-$(8)$(38)$(46)
Non-U.S. governments--11
Corporate debt25-(53)(28)
RMBS123(2)(846)(725)
CMBS58(2)(25)31
CDO/ABS394(49)(25)320
Total bonds available for sale600(61)(986)(447)
Other bond securities:
Corporate debt--(18)(18)
RMBS--(57)(57)
CMBS----
CDO/ABS--(267)(267)
Total other bond securities--(342)(342)
Other equity securities24--24
Other invested assets--(1)(1)
Total assets$624$(61)$(1,329)$(766)
Liabilities:
Policyholder contract deposits$-$148$(64)$84
Derivative liabilities, net(18)-191
Long-term debt(b)----
Total liabilities$(18)$148$(45)$85
Three Months Ended September 30, 2017
Assets:
Bonds available for sale:
Obligations of states, municipalities and political subdivisions$56$-$(4)$52
Non-U.S. governments7-(7)-
Corporate debt6(5)(54)(53)
RMBS194(16)(909)(731)
CMBS-(17)(60)(77)
CDO/ABS402(136)(432)(166)
Total bonds available for sale665(174)(1,466)(975)
Other bond securities:
Corporate debt----
RMBS-(51)(79)(130)
CMBS42--42
CDO/ABS-(57)(448)(505)
Total other bond securities42(108)(527)(593)
Equity securities available for sale4-(6)(2)
Other equity securities----
Mortgage and other loans receivable----
Other invested assets46(9)(1)36
Total assets$757$(291)$(2,000)$(1,534)
Liabilities:
Policyholder contract deposits$-$79$78$157
Derivative liabilities, net--1717
Long-term debt(b)--(60)(60)
Total liabilities$-$79$35$114

IssuancesPurchases, Sales,
andIssuances and
(in millions)PurchasesSalesSettlements(a)Settlements, Net(a)
Nine Months Ended September 30, 2018
Assets:
Bonds available for sale:
Obligations of states, municipalities and political subdivisions$24$(8)$(160)$(144)
Non-U.S. governments2-(5)(3)
Corporate debt280(216)(238)(174)
RMBS630(12)(2,495)(1,877)
CMBS70(2)(67)1
CDO/ABS1,364(962)(736)(334)
Total bonds available for sale2,370(1,200)(3,701)(2,531)
Other bond securities:
Corporate debt--(18)(18)
RMBS1(34)(205)(238)
CMBS--(1)(1)
CDO/ABS-(4)(776)(780)
Total other bond securities1(38)(1,000)(1,037)
Other equity securities27--27
Mortgage and other loans receivable-(5)-(5)
Other invested assets153(29)(29)95
Total assets$2,551$(1,272)$(4,730)$(3,451)
Liabilities:
Policyholder contract deposits$-$391$(165)$226
Derivative liabilities, net(37)-7033
Long-term debt(b)----
Total liabilities$(37)$391$(95)$259
Nine Months Ended September 30, 2017
Assets:
Bonds available for sale:
Obligations of states, municipalities and political subdivisions$279$(16)$(42)$221
Non-U.S. governments7(1)(12)(6)
Corporate debt36(59)(196)(219)
RMBS834(260)(2,844)(2,270)
CMBS39(128)(610)(699)
CDO/ABS1,609(136)(995)478
Total bonds available for sale2,804(600)(4,699)(2,495)
Other bond securities:
Corporate debt11-(1)10
RMBS112(218)(207)(313)
CMBS42(11)(7)24
CDO/ABS-(65)(1,257)(1,322)
Total other bond securities165(294)(1,472)(1,601)
Equity securities available for sale12-(6)6
Other equity securities----
Mortgage and other loans receivable-(6)-(6)
Other invested assets89(11)(20)58
Total assets$3,070$(911)$(6,197)$(4,038)
Liabilities:
Policyholder contract deposits$-$231$116$347
Derivative liabilities, net--5252
Long-term debt(b)--(84)(84)
Total liabilities$-$231$84$315

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

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

Significant unobservable inputs used for recurring fair value measurements
Fair Value at
September 30,ValuationRange
(in millions)2018TechniqueUnobservable Input(b)(Weighted Average)
Assets:
Obligations of states, municipalities
and political subdivisions$1,439Discounted cash flowYield4.04% - 4.81% (4.42%)
Corporate debt727Discounted cash flowYield3.55% - 15.26% (9.40%)
RMBS(a)14,257Discounted cash flowConstant prepayment rate4.51% - 13.02% (8.76%)
Loss severity39.83% - 73.69% (56.76%)
Constant default rate2.69% - 7.58% (5.14%)
Yield3.17% - 5.38% (4.28%)
CDO/ABS(a)4,792Discounted cash flowYield4.09% - 5.38% (4.74%)
CMBS461Discounted cash flowYield3.09% - 7.20% (5.15%)
Liabilities:
Embedded derivatives within
Policyholder contract deposits:
Guaranteed minimum withdrawal benefits (GMWB)1,046Discounted cash flowEquity volatility6.15% - 48.35%
Base lapse rate0.16% - 12.60%
Dynamic lapse multiplier20.00% - 180.00%
Mortality multiplier(c)40.00% - 153.00%
Utilization90.00% - 100.00%
Equity / interest-rate correlation20.00% - 40.00%
Index Annuities1,890Discounted cash flowLapse rate0.50% - 40.00%
Mortality multiplier(c)42.00% - 162.00%
Option Budget1.00% - 3.00%
Indexed Life414Discounted cash flowBase lapse rate0.00% - 13.00%
Mortality rate0.00% - 100.00%

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.

Investments in Certain Entities Carried at Fair Value Using Net Asset Value per Share
September 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$700$646$1,243$706
Real Estate / InfrastructureInvestments in real estate properties and infrastructure positions, including power plants and other energy generating facilities18584210187
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 company10211313473
Growth EquityFunds that make investments in established companies for the purpose of growing their businesses3063521573
MezzanineFunds that make investments in the junior debt and equity securities of leveraged companies220107171135
OtherIncludes distressed funds that invest in securities of companies that are in default or under bankruptcy protection, as well as funds that have multi-strategy, and other strategies62432415553
Total private equity funds2,1371,3092,1281,227
Hedge funds:
Event-drivenSecurities of companies undergoing material structural changes, including mergers, acquisitions and other reorganizations888-1,128-
Long-shortSecurities that the manager believes are undervalued, with corresponding short positions to hedge market risk993-1,233-
MacroInvestments that take long and short positions in financial instruments based on a top-down view of certain economic and capital market conditions871-1,011-
DistressedSecurities of companies that are in default, under bankruptcy protection or troubled 4482668
OtherIncludes investments held in funds that are less liquid, as well as other strategies which allow for broader allocation between public and private investments21012314
Total hedge funds3,00693,86912
Total$5,143$1,318$5,997$1,239

* Beginning in the third quarter of 2018, Growth Equity and Mezzanine private equity fund categories are shown separately. Prior periods were revised to conform to the current period presentation.

Gains or losses related to the eligible instruments for which AIG elected the fair value option
Gain (Loss) Three Months Ended September 30,Gain (Loss) Nine Months Ended September 30,
(in millions)2018201720182017
Assets:
Bond and equity securities$122$289$274$1,088
Alternative investments(a)131129355406
Other, including Short-term investments-1-1
Liabilities:
Long-term debt(b)6(18)74(66)
Other liabilities-(1)-(2)
Total gain$259$400$703$1,427

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

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

Difference between fair values and aggregate contractual principal amounts, fair value option
September 30, 2018December 31, 2017
OutstandingOutstanding
(in millions)Fair ValuePrincipal AmountDifferenceFair ValuePrincipal AmountDifference
Assets:
Mortgage and other loans receivable$-$-$-$5$5$-
Liabilities:
Long-term debt*$2,311$1,798$513$2,888$2,280$608

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

Fair value assets measured on nonrecurring basis and impairment charges
Assets at Fair ValueImpairment Charges(a)
Non-Recurring BasisThree Months Ended September 30,Nine Months Ended September 30,
(in millions) Level 1 Level 2 Level 3 Total 2018201720182017
September 30, 2018
Other investments$-$-$344$344$-$26$89$76
Investments in life settlements-----273-360
Other assets--2234-3535
Total$-$-$346$346$34$299$124$471
December 31, 2017
Other investments$-$-$55$55
Investments in life settlements----
Other assets----
Total$-$-$55$55

(a) Impairments in the nine-month period ended September 30, 2017 included $35 million related to Other assets of $179 million that were sold during the three-month period ended June 30, 2017.

Carrying values and estimated fair values of AIG's financial instruments
Estimated Fair ValueCarrying
(in millions)Level 1Level 2Level 3TotalValue
September 30, 2018
Assets:
Mortgage and other loans receivable$-$108$41,060$41,168$41,878
Other invested assets-7716777773
Short-term investments-5,230-5,2305,230
Cash2,741--2,7412,741
Liabilities:
Policyholder contract deposits associated
with investment-type contracts-349122,487122,836119,493
Other liabilities-1,46511,4661,466
Long-term debt-24,1478,22132,36832,283
December 31, 2017
Assets:
Mortgage and other loans receivable$-$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