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FAIR VALUE MEASUREMENTS (Tables)
9 Months Ended
Sep. 30, 2017
FAIR VALUE MEASUREMENTS  
Assets and liabilities measured at fair value on a recurring basis
September 30, 2017 CounterpartyCash
(in millions) Level 1Level 2Level 3Netting(b)CollateralTotal
Assets:
Bonds available for sale:
U.S. government and government sponsored entities$1$2,383$-$-$-$2,384
Obligations of states, municipalities and political subdivisions-16,4602,371--18,831
Non-U.S. governments5615,52611--15,593
Corporate debt-132,4751,210--133,685
RMBS-21,09516,414--37,509
CMBS-12,853665--13,518
CDO/ABS-7,8378,414--16,251
Total bonds available for sale57208,62929,085--237,771
Other bond securities:
U.S. government and government sponsored entities332,796---2,829
Non-U.S. governments-55---55
Corporate debt-1,84418--1,862
RMBS-4261,443--1,869
CMBS-49165--556
CDO/ABS-6484,834--5,482
Total other bond securities336,2606,360--12,653
Equity securities available for sale:
Common stock1,051-5--1,056
Preferred stock18559---577
Mutual funds74----74
Total equity securities available for sale1,1435595--1,707
Other equity securities538----538
Mortgage and other loans receivable--5--5
Other invested assets(a)-1259--260
Derivative assets:
Interest rate contracts22,252---2,254
Foreign exchange contracts-867---867
Equity contracts19120969--469
Credit contracts--1--1
Other contracts-221--23
Counterparty netting and cash collateral---(1,390)(1,324)(2,714)
Total derivative assets1933,33091(1,390)(1,324)900
Short-term investments2,247356---2,603
Separate account assets84,2395,061---89,300
Total$88,450$224,196$35,805$(1,390)$(1,324)$345,737
Liabilities:
Policyholder contract deposits$-$14$3,974$-$-$3,988
Other policyholder funds------
Derivative liabilities:
Interest rate contracts-2,22826--2,254
Foreign exchange contracts-1,2983--1,301
Equity contracts563---59
Credit contracts-4274--278
Other contracts--5--5
Counterparty netting and cash collateral---(1,390)(1,395)(2,785)
Total derivative liabilities563,533308(1,390)(1,395)1,112
Long-term debt-2,9953--2,998
Other liabilities7533---108
Total$131$6,575$4,285$(1,390)$(1,395)$8,206

December 31, 2016 CounterpartyCash
(in millions) Level 1Level 2Level 3Netting(b)CollateralTotal
Assets:
Bonds available for sale:
U.S. government and government sponsored entities$63$1,929$-$-$-$1,992
Obligations of states, municipalities and political subdivisions-22,7322,040--24,772
Non-U.S. governments5214,46617--14,535
Corporate debt-131,0471,133--132,180
RMBS-20,46816,906--37,374
CMBS-12,2312,040--14,271
CDO/ABS-8,5787,835--16,413
Total bonds available for sale115211,45129,971--241,537
Other bond securities:
U.S. government and government sponsored entities-2,939---2,939
Non-U.S. governments-51---51
Corporate debt-1,75517--1,772
RMBS-4201,605--2,025
CMBS-448155--603
CDO/ABS-9055,703--6,608
Total other bond securities-6,5187,480--13,998
Equity securities available for sale:
Common stock1,0569---1,065
Preferred stock752----752
Mutual funds2601---261
Total equity securities available for sale2,06810---2,078
Other equity securities482----482
Mortgage and other loans receivable--11--11
Other invested assets(a)-1204--205
Derivative assets:
Interest rate contracts-2,328---2,328
Foreign exchange contracts-1,320---1,320
Equity contracts1885958--305
Credit contracts--2--2
Other contracts-616--22
Counterparty netting and cash collateral---(1,265)(903)(2,168)
Total derivative assets1883,71376(1,265)(903)1,809
Short-term investments2,660681---3,341
Separate account assets77,3185,654---82,972
Total$82,831$228,028$37,742$(1,265)$(903)$346,433
Liabilities:
Policyholder contract deposits$-$25$3,033$-$-$3,058
Other policyholder funds5----5
Derivative liabilities:
Interest rate contracts-3,03938--3,077
Foreign exchange contracts-1,35811--1,369
Equity contracts127---19
Credit contracts--331--331
Other contracts-15--6
Counterparty netting and cash collateral---(1,265)(1,521)(2,786)
Total derivative liabilities124,405385(1,265)(1,521)2,016
Long-term debt-3,35771--3,428
Total$17$7,787$3,489$(1,265)$(1,521)$8,507

(a) Excludes investments that are measured at fair value using the net asset value (NAV) per share (or its equivalent), which totaled $6.2 billion and $6.7 billion as of September 30, 2017 and December 31, 2016, respectively.

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

Changes in Level 3 recurring fair value measurements (Assets)
Net Changes in
Realized and Unrealized Gains
UnrealizedPurchases, Reclassified (Losses) Included
Fair ValueGains (Losses)OtherSales,GrossGrossto AssetsFair Valuein Income on
BeginningIncludedComprehensiveIssues andTransfersTransfersHeldEndInstruments Held
(in millions)of Periodin IncomeIncome (Loss)Settlements, NetInOutfor Saleof 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-
Other equity securities---------
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, Reclassified (Losses) Included
Fair Value(Gains) LossesOtherSales,GrossGrossto LiabilitiesFair Valuein Income on
BeginningIncludedComprehensiveIssues andTransfersTransfersHeldEndInstruments Held
(in millions)of Periodin IncomeIncome (Loss)Settlements, NetInOutfor Saleof Periodat End of Period
Liabilities:
Policyholder contract deposits$3,518$299$-$157$-$-$-$3,974$1
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(a)251(51)-17---21740
Long-term debt(b)612-(60)---34
Total$3,830$250$-$114$-$-$-$4,194$45

Net Changes in
Realized and Unrealized Gains
UnrealizedPurchases, Reclassified (Losses) Included
Fair ValueGains (Losses)OtherSales,GrossGrossto AssetsFair Valuein Income on
BeginningIncludedComprehensiveIssues andTransfersTransfersHeldEndInstruments Held
(in millions)of Periodin IncomeIncome (Loss)Settlements, NetInOutfor Saleof 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-
Other equity securities---------
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, Reclassified (Losses) Included
Fair Value(Gains) LossesOtherSales,GrossGrossto LiabilitiesFair Valuein Income on
BeginningIncludedComprehensiveIssues andTransfersTransfersHeldEndInstruments Held
(in millions)of Periodin IncomeIncome (Loss)Settlements, NetInOutfor Saleof Periodat End of Period
Liabilities:
Policyholder contract deposits$3,033$594$-$347$-$-$-$3,974$3
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(a)309(141)-52(3)--217134
Long-term debt(b)7116-(84)---3-
Total$3,413$469$-$315$(3)$-$-$4,194$137

Net Changes in
Realized and Unrealized Gains
UnrealizedPurchases, Reclassified (Losses) Included
Fair valueGains (Losses)OtherSales,GrossGrossto AssetsFair valuein Income on
BeginningIncludedComprehensiveIssues andTransfersTransfersHeldEndInstruments Held
(in millions)of Periodin IncomeIncome (Loss)Settlements, NetInOutfor Saleof Periodat End of Period
Three Months Ended September 30, 2016
Assets:
Bonds available for sale:
Obligations of states, municipalities
and political subdivisions$2,313$1$(5)$58$2$(78)$-$2,291$-
Non-U.S. governments28(3)(9)3---19-
Corporate debt836(4)7(6)267(82)(1)1,017-
RMBS16,779255304(165)36--17,209-
CMBS2,29512(5)(1)2(32)(6)2,265-
CDO/ABS7,075716728--(81)7,745-
Total bonds available for sale29,326268308617307(192)(88)30,546-
Other bond securities:
Corporate debt181-----19-
RMBS1,48630-(120)---1,39612
CMBS1686-(15)---1594
CDO/ABS6,312175-(506)---5,981-
Total other bond securities7,984212-(641)---7,55516
Equity securities available for sale:
Common stock---------
Total equity securities available for sale---------
Other equity securities14--(14)-----
Mortgage and other loans receivable11------11-
Other invested assets241(4)118---256-
Total$37,576$476$309$(20)$307$(192)$(88)$38,368$16
Net Changes in
Realized and Unrealized Gains
UnrealizedPurchases, Reclassified (Losses) Included
Fair value(Gains) LossesOtherSales,GrossGrossto LiabilitiesFair valuein Income on
BeginningIncludedComprehensiveIssues andTransfersTransfersHeldEndInstruments Held
of Periodin IncomeIncome (Loss)Settlements, NetInOutfor Saleof Periodat End of Period
Liabilities:
Policyholder contract deposits$3,990$65$-$(33)$-$-$-$4,022$1
Derivative liabilities, net:
Interest rate contracts46(3)-9---524
Foreign exchange contracts91-(1)---9(1)
Equity contracts(52)(5)-3---(54)5
Credit contracts373(36)-7-1-34528
Other contracts102(16)-4---9033
Total derivatives liabilities, net(a)478(59)-22-1-44269
Long-term debt(b)673-----70-
Other liabilities--------(3)
Total$4,535$9$-$(11)$-$1$-$4,534$67

Net Changes in
Realized and Unrealized Gains
UnrealizedPurchases, Reclassified (Losses) Included
Fair valueGains (Losses)OtherSales,GrossGrossto AssetsFair valuein Income on
BeginningIncludedComprehensiveIssues andTransfersTransfersHeldEndInstruments Held
(in millions)of Periodin IncomeIncome (Loss)Settlements, NetInOutfor Saleof Periodat End of Period
Nine Months Ended September 30, 2016
Assets:
Bonds available for sale:
Obligations of states, municipalities
and political subdivisions$2,124$3$189$51$2$(78)$-$2,291$-
Non-U.S. governments32(3)(11)5-(4)-19-
Corporate debt1,370(1)(10)(42)581(880)(1)1,017-
RMBS16,537734(55)(337)330--17,209-
CMBS2,58570(83)(169)2(134)(6)2,265-
CDO/ABS6,16927591,54823-(81)7,745-
Total bonds available for sale28,817830891,056938(1,096)(88)30,546-
Other bond securities:
Corporate debt173-(1)---193
RMBS1,5817-(174)-(18)-1,396(48)
CMBS1934-(38)---15914
CDO/ABS7,055151-(1,225)65(65)-5,981(378)
Total other bond securities8,846165-(1,438)65(83)-7,555(409)
Equity securities available for sale:
Common stock---------
Total equity securities available for sale---------
Other equity securities14--(14)-----
Mortgage and other loans receivable11------11-
Other invested assets332(5)2(19)-(54)-256(2)
Total$38,020$990$91$(415)$1,003$(1,233)$(88)$38,368$(411)
Net Changes in
Realized and Unrealized Gains
UnrealizedPurchases, Reclassified (Losses) Included
Fair value(Gains) LossesOtherSales,GrossGrossto LiabilitiesFair valuein Income on
BeginningIncludedComprehensiveIssues andTransfersTransfersHeldEndInstruments Held
(in millions)of Periodin IncomeIncome (Loss)Settlements, NetInOutfor Saleof Periodat End of Period
Liabilities:
Policyholder contract deposits$2,289$1,508$-$225$-$-$-$4,022$38
Derivative liabilities, net:
Interest rate contracts504-(2)---52(5)
Foreign exchange contracts73-(1)---9(2)
Equity contracts(54)(5)-5---(54)5
Credit contracts505(70)-(91)-1-34556
Other contracts4814-28---903
Total derivatives liabilities, net(a)556(54)-(61)-1-44257
Long-term debt(b)1833-(3)-(113)-70-
Total$3,028$1,457$-$161$-$(112)$-$4,534$95

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

(b) 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, Reclassified (Losses) Included
Fair ValueGains (Losses)OtherSales,GrossGrossto AssetsFair Valuein Income on
BeginningIncludedComprehensiveIssues andTransfersTransfersHeldEndInstruments Held
(in millions)of Periodin IncomeIncome (Loss)Settlements, NetInOutfor Saleof 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-
Other equity securities---------
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, Reclassified (Losses) Included
Fair Value(Gains) LossesOtherSales,GrossGrossto LiabilitiesFair Valuein Income on
BeginningIncludedComprehensiveIssues andTransfersTransfersHeldEndInstruments Held
(in millions)of Periodin IncomeIncome (Loss)Settlements, NetInOutfor Saleof Periodat End of Period
Liabilities:
Policyholder contract deposits$3,518$299$-$157$-$-$-$3,974$1
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(a)251(51)-17---21740
Long-term debt(b)612-(60)---34
Total$3,830$250$-$114$-$-$-$4,194$45

Net Changes in
Realized and Unrealized Gains
UnrealizedPurchases, Reclassified (Losses) Included
Fair ValueGains (Losses)OtherSales,GrossGrossto AssetsFair Valuein Income on
BeginningIncludedComprehensiveIssues andTransfersTransfersHeldEndInstruments Held
(in millions)of Periodin IncomeIncome (Loss)Settlements, NetInOutfor Saleof 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-
Other equity securities---------
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, Reclassified (Losses) Included
Fair Value(Gains) LossesOtherSales,GrossGrossto LiabilitiesFair Valuein Income on
BeginningIncludedComprehensiveIssues andTransfersTransfersHeldEndInstruments Held
(in millions)of Periodin IncomeIncome (Loss)Settlements, NetInOutfor Saleof Periodat End of Period
Liabilities:
Policyholder contract deposits$3,033$594$-$347$-$-$-$3,974$3
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(a)309(141)-52(3)--217134
Long-term debt(b)7116-(84)---3-
Total$3,413$469$-$315$(3)$-$-$4,194$137

Net Changes in
Realized and Unrealized Gains
UnrealizedPurchases, Reclassified (Losses) Included
Fair valueGains (Losses)OtherSales,GrossGrossto AssetsFair valuein Income on
BeginningIncludedComprehensiveIssues andTransfersTransfersHeldEndInstruments Held
(in millions)of Periodin IncomeIncome (Loss)Settlements, NetInOutfor Saleof Periodat End of Period
Three Months Ended September 30, 2016
Assets:
Bonds available for sale:
Obligations of states, municipalities
and political subdivisions$2,313$1$(5)$58$2$(78)$-$2,291$-
Non-U.S. governments28(3)(9)3---19-
Corporate debt836(4)7(6)267(82)(1)1,017-
RMBS16,779255304(165)36--17,209-
CMBS2,29512(5)(1)2(32)(6)2,265-
CDO/ABS7,075716728--(81)7,745-
Total bonds available for sale29,326268308617307(192)(88)30,546-
Other bond securities:
Corporate debt181-----19-
RMBS1,48630-(120)---1,39612
CMBS1686-(15)---1594
CDO/ABS6,312175-(506)---5,981-
Total other bond securities7,984212-(641)---7,55516
Equity securities available for sale:
Common stock---------
Total equity securities available for sale---------
Other equity securities14--(14)-----
Mortgage and other loans receivable11------11-
Other invested assets241(4)118---256-
Total$37,576$476$309$(20)$307$(192)$(88)$38,368$16
Net Changes in
Realized and Unrealized Gains
UnrealizedPurchases, Reclassified (Losses) Included
Fair value(Gains) LossesOtherSales,GrossGrossto LiabilitiesFair valuein Income on
BeginningIncludedComprehensiveIssues andTransfersTransfersHeldEndInstruments Held
of Periodin IncomeIncome (Loss)Settlements, NetInOutfor Saleof Periodat End of Period
Liabilities:
Policyholder contract deposits$3,990$65$-$(33)$-$-$-$4,022$1
Derivative liabilities, net:
Interest rate contracts46(3)-9---524
Foreign exchange contracts91-(1)---9(1)
Equity contracts(52)(5)-3---(54)5
Credit contracts373(36)-7-1-34528
Other contracts102(16)-4---9033
Total derivatives liabilities, net(a)478(59)-22-1-44269
Long-term debt(b)673-----70-
Other liabilities--------(3)
Total$4,535$9$-$(11)$-$1$-$4,534$67

Net Changes in
Realized and Unrealized Gains
UnrealizedPurchases, Reclassified (Losses) Included
Fair valueGains (Losses)OtherSales,GrossGrossto AssetsFair valuein Income on
BeginningIncludedComprehensiveIssues andTransfersTransfersHeldEndInstruments Held
(in millions)of Periodin IncomeIncome (Loss)Settlements, NetInOutfor Saleof Periodat End of Period
Nine Months Ended September 30, 2016
Assets:
Bonds available for sale:
Obligations of states, municipalities
and political subdivisions$2,124$3$189$51$2$(78)$-$2,291$-
Non-U.S. governments32(3)(11)5-(4)-19-
Corporate debt1,370(1)(10)(42)581(880)(1)1,017-
RMBS16,537734(55)(337)330--17,209-
CMBS2,58570(83)(169)2(134)(6)2,265-
CDO/ABS6,16927591,54823-(81)7,745-
Total bonds available for sale28,817830891,056938(1,096)(88)30,546-
Other bond securities:
Corporate debt173-(1)---193
RMBS1,5817-(174)-(18)-1,396(48)
CMBS1934-(38)---15914
CDO/ABS7,055151-(1,225)65(65)-5,981(378)
Total other bond securities8,846165-(1,438)65(83)-7,555(409)
Equity securities available for sale:
Common stock---------
Total equity securities available for sale---------
Other equity securities14--(14)-----
Mortgage and other loans receivable11------11-
Other invested assets332(5)2(19)-(54)-256(2)
Total$38,020$990$91$(415)$1,003$(1,233)$(88)$38,368$(411)
Net Changes in
Realized and Unrealized Gains
UnrealizedPurchases, Reclassified (Losses) Included
Fair value(Gains) LossesOtherSales,GrossGrossto LiabilitiesFair valuein Income on
BeginningIncludedComprehensiveIssues andTransfersTransfersHeldEndInstruments Held
(in millions)of Periodin IncomeIncome (Loss)Settlements, NetInOutfor Saleof Periodat End of Period
Liabilities:
Policyholder contract deposits$2,289$1,508$-$225$-$-$-$4,022$38
Derivative liabilities, net:
Interest rate contracts504-(2)---52(5)
Foreign exchange contracts73-(1)---9(2)
Equity contracts(54)(5)-5---(54)5
Credit contracts505(70)-(91)-1-34556
Other contracts4814-28---903
Total derivatives liabilities, net(a)556(54)-(61)-1-44257
Long-term debt(b)1833-(3)-(113)-70-
Total$3,028$1,457$-$161$-$(112)$-$4,534$95

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

(b) 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, 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
Three Months Ended September 30, 2016
Bonds available for sale$294$(27)$1$268
Other bond securities3713162212
Other invested assets5(3)(6)(4)
Nine Months Ended September 30, 2016
Bonds available for sale$883$(56)$3$830
Other bond securities294591165
Other invested assets229(36)(5)
NetNet Realized
InvestmentCapital Other
(in millions)IncomeGains (Losses)IncomeTotal
Three Months Ended September 30, 2017
Policyholder contract deposits$-$299$-$299
Derivative liabilities, net-(5)(46)(51)
Long-term debt--22
Nine Months Ended September 30, 2017
Policyholder contract deposits$-$594$-$594
Derivative liabilities, net-(13)(128)(141)
Long-term debt--1616
Three Months Ended September 30, 2016
Policyholder contract deposits$-$65$-$65
Derivative liabilities, net-(5)(54)(59)
Long-term debt--33
Nine Months Ended September 30, 2016
Policyholder contract deposits$-$1,508$-$1,508
Derivative liabilities, net-(1)(53)(54)
Long-term debt--33
Gross components of purchases, sales, issues and settlements, net
Purchases,
Sales, Issues and
(in millions)PurchasesSalesSettlementsSettlements, Net(a)
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----
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
Three Months Ended September 30, 2016
Assets:
Bonds available for sale:
Obligations of states, municipalities and political subdivisions$98$-$(40)$58
Non-U.S. governments7-(4)3
Corporate debt--(6)(6)
RMBS754(23)(896)(165)
CMBS50(24)(27)(1)
CDO/ABS902(22)(152)728
Total bonds available for sale1,811(69)(1,125)617
Other bond securities:
Corporate debt----
RMBS12(74)(58)(120)
CMBS-(14)(1)(15)
CDO/ABS-(340)(166)(506)
Total other bond securities12(428)(225)(641)
Equity securities available for sale----
Other equity securities--(14)(14)
Other invested assets21-(3)18
Total assets$1,844$(497)$(1,367)$(20)
Liabilities:
Policyholder contract deposits$-$95$(128)$(33)
Derivative liabilities, net(2)-2422
Long-term debt(b)----
Total liabilities$(2)$95$(104)$(11)

Purchases,
Sales, Issues and
(in millions)PurchasesSalesSettlementsSettlements, Net(a)
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
Nine Months Ended September 30, 2016
Assets:
Bonds available for sale:
Obligations of states, municipalities and political subdivisions$144$(7)$(86)$51
Non-U.S. governments10-(5)5
Corporate debt29(25)(46)(42)
RMBS2,297(81)(2,553)(337)
CMBS156(82)(243)(169)
CDO/ABS2,053(33)(472)1,548
Total bonds available for sale4,689(228)(3,405)1,056
Other bond securities:
Corporate debt--(1)(1)
RMBS101(100)(175)(174)
CMBS53(85)(6)(38)
CDO/ABS69(376)(918)(1,225)
Total other bond securities223(561)(1,100)(1,438)
Equity securities available for sale----
Other equity securities14-(28)(14)
Other invested assets39(2)(56)(19)
Total assets$4,965$(791)$(4,589)$(415)
Liabilities:
Policyholder contract deposits$-$365$(140)$225
Derivative liabilities, net(5)-(56)(61)
Long-term debt(b)--(3)(3)
Total liabilities$(5)$365$(199)$161

(a) There were no issuances during the three- and nine-month periods ended September 30, 2017 and 2016, 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)2017TechniqueUnobservable Input(b)(Weighted Average)
Assets:
Obligations of states, municipalities
and political subdivisions$1,578Discounted cash flowYield3.71% - 4.49% (4.10%)
Corporate debt430Discounted cash flowYield4.18% - 4.52% (4.35%)
RMBS(a)16,472Discounted cash flowConstant prepayment rate2.54% - 11.06% (6.80%)
Loss severity47.05% - 79.54% (62.97%)
Constant default rate3.21% - 7.87% (5.54%)
Yield2.27% - 4.88% (3.58%)
CDO/ABS(a)5,086Discounted cash flowYield3.26% - 4.99% (4.12%)
CMBS488Discounted cash flowYield1.86% - 9.12% (5.49%)
Liabilities:
Embedded derivatives within
Policyholder contract deposits:
Guaranteed minimum withdrawal benefits (GMWB)2,104Discounted cash flowEquity volatility5.00% - 40.00%
Base lapse rate0.35% - 14.00%
Dynamic lapse multiplier30.00% - 170.00%
Mortality multiplier(c)40.00% - 153.00%
Utilization100.00%
Equity / interest-rate correlation20.00% - 40.00%
Index Annuities1,375Discounted cash flowLapse rate0.50% - 40.00%
Mortality multiplier(c)42.00% - 162.00%
Indexed Life477Discounted cash flowBase lapse rate2.00% to 19.00%
Mortality rate0.00% to 40.00%

Fair Value at
December 31,ValuationRange
(in millions)2016TechniqueUnobservable Input(b)(Weighted Average)
Assets:
Obligations of states, municipalities
and political subdivisions$1,248Discounted cash flowYield4.12% - 4.91% (4.52%)
Corporate debt498Discounted cash flowYield3.41% - 6.38% (4.90%)
RMBS(a)17,412Discounted cash flowConstant prepayment rate3.95% - 6.54% (5.25%)
Loss severity47.51% - 80.98% (64.24%)
Constant default rate3.28% - 8.64% (5.96%)
Yield3.28% - 5.87% (4.57%)
CDO/ABS(a)4,368Discounted cash flowYield3.67% - 5.85% (4.76%)
CMBS1,511Discounted cash flowYield0.48% - 10.21% (5.34%)
Liabilities:
Embedded derivatives within
Policyholder contract deposits:
GMWB1,777Discounted cash flowEquity volatility13.00% - 50.00%
Base lapse rate0.50% - 20.00%
Dynamic lapse multiplier30.00% - 170.00%
Mortality multiplier(c)42.00% - 161.00%
Utilization100.00%
Equity / interest-rate correlation20.00% - 40.00%
Index Annuities859Discounted cash flowLapse rate1.00% - 66.00%
Mortality multiplier(c)101.00% - 103.00%
Indexed Life381Discounted cash flowBase lapse rate2.00% - 19.00%
Mortality rate0.00% - 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, 2017December 31, 2016
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$1,310$761$1,424$750
Real Estate / InfrastructureInvestments in real estate properties and infrastructure positions, including power plants and other energy generating facilities226185258208
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 company1274413731
DistressedSecurities of companies that are in default, under bankruptcy protection, or troubled 1194312344
OtherIncludes multi-strategy, mezzanine and other strategies400237312215
Total private equity funds2,1821,2702,2541,248
Hedge funds:
Event-drivenSecurities of companies undergoing material structural changes, including mergers, acquisitions and other reorganizations1,228-1,4539
Long-shortSecurities that the manager believes are undervalued, with corresponding short positions to hedge market risk1,317-1,429-
MacroInvestments that take long and short positions in financial instruments based on a top-down view of certain economic and capital market conditions1,016-992-
DistressedSecurities of companies that are in default, under bankruptcy protection or troubled 27874168
OtherIncludes investments held in funds that are less liquid, as well as other strategies which allow for broader allocation between public and private investments222419714
Total hedge funds4,061114,48731
Total$6,243$1,281$6,741$1,279
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)2017201620172016
Assets:
Bond and equity securities$289$331$1,088$629
Alternative Investments(a)129154406(60)
Other, including Short-term investments1-1-
Liabilities:
Long-term debt(b)(18)8(66)(239)
Other liabilities(1)-(2)-
Total gain$400$493$1,427$330

(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, 2017December 31, 2016
OutstandingOutstanding
(in millions)Fair ValuePrincipal AmountDifferenceFair ValuePrincipal AmountDifference
Assets:
Mortgage and other loans receivable$5$5$-$11$8$3
Liabilities:
Long-term debt*$2,998$2,353$645$3,428$2,628$800

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

Fair value assets measured on nonrecurring basis and impairment charges
Assets at Fair ValueImpairment Charges
Non-Recurring BasisThree Months Ended September 30,Nine Months Ended September 30,
(in millions) Level 1 Level 2 Level 3 Total 2017201620172016
September 30, 2017
Other investments$-$-$62$62$26$27$76$58
Investments in life settlements--1,7591,75927380360329
Other assets*-----23511
Total$-$-$1,821$1,821$299$109$471$398
December 31, 2016
Other investments$-$-$364$364
Investments in life settlements--736736
Other assets--22
Total$-$-$1,102$1,102

* Impairments include $35 million related to other assets 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, 2017
Assets:
Mortgage and other loans receivable$-$155$36,750$36,905$36,084
Other invested assets-6656671661
Short-term investments-7,172-7,1727,172
Cash2,433--2,4332,433
Liabilities:
Policyholder contract deposits associated
with investment-type contracts-353123,656124,009114,070
Other liabilities-4,896-4,8964,896
Long-term debt-23,6873,48627,17328,041
December 31, 2016
Assets:
Mortgage and other loans receivable$-$161$33,575$33,736$33,229
Other invested assets-9552,0533,0083,474
Short-term investments-8,961-8,9618,961
Cash1,868--1,8681,868
Liabilities:
Policyholder contract deposits associated
with investment-type contracts-382121,742122,124112,705
Other liabilities-4,196-4,1964,196
Long-term debt-23,1173,33326,45027,484