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Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2024
Fair Value Disclosures [Abstract]  
Net Realized and Unrealized Gains and Losses Included in Income Related to Level 3 Assets and Liabilities
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:
March 31, 2024Level 1Level 2Level 3
Counterparty
Netting(a)
Cash
Collateral
Total
(in millions)
Assets:
Bonds available-for-sale:
U.S. government and government sponsored entities$$1,364$$$$1,364
Obligations of states, municipalities and political subdivisions4,6128295,441
Non-U.S. governments3,9873,987
Corporate debt102,5961,575104,171
RMBS(b)
9,2366,35415,590
CMBS9,75554710,302
CLO10,0391,72911,768
ABS
1,17015,03316,203
Total bonds available-for-sale
142,75926,067168,826
Other bond securities:
U.S. government and government sponsored entities
Obligations of states, municipalities and political subdivisions38139
Non-U.S. governments1313
Corporate debt2,5271772,704
RMBS(c)
63106169
CMBS22317240
CLO
37571446
ABS889471,035
Total other bond securities3,3271,3194,646
Equity securities314576
Other invested assets(d)
1,6711,671
Derivative assets:
Interest rate contracts2,7784073,185
Foreign exchange contracts999999
Equity contracts1,8041,0722,876
Credit contracts7878
Other contracts11213
Counterparty netting and cash collateral(4,279)(2,381)(6,660)
Total derivative assets5,6601,491(4,279)(2,381)491
Short-term investments121,2451,257
Market risk benefit assets1,1721,172
Separate account assets91,8583,31595,173
Total (e)
$91,901$156,306$31,765$(4,279)$(2,381)$273,312
Liabilities:
Policyholder contract deposits(f)
$$131$8,550$$$8,681
Derivative liabilities:
Interest rate contracts3,0573,057
Foreign exchange contracts317317
Equity contracts1,174541,228
Credit contracts
Other contracts11
Counterparty netting and cash collateral(4,279)(166)(4,445)
Total derivative liabilities4,54855(4,279)(166)158
Fortitude Re funds withheld payable(g)
2,2112,211
Market risk benefit liabilities5,1675,167
Total $$4,679$15,983$(4,279)$(166)$16,217
December 31, 2023Level 1Level 2Level 3
Counterparty
Netting(a)
Cash
Collateral
Total
(in millions)
Assets:
Bonds available-for-sale:
U.S. government and government sponsored entities$20$1,200$$$$1,220
Obligations of states, municipalities and political subdivisions4,9878445,831
Non-U.S. governments4,0574,057
Corporate debt104,7251,357106,082
RMBS(b)
8,4235,85414,277
CMBS9,3736089,981
CLO
9,3011,84311,144
ABS
1,02912,90613,935
Total bonds available-for-sale
20143,09523,412166,527
Other bond securities:
Obligations of states, municipalities and political subdivisions39140
Non-U.S. governments1313
Corporate debt2,4861672,653
RMBS(c)
63107170
CMBS21117228
CLO
35469423
ABS899621,051
Total other bond securities3,2551,3234,578
Equity securities
214263
Other invested assets(d)
1,8501,850
Derivative assets:
Interest rate contracts2,4984492,947
Foreign exchange contracts940940
Equity contracts71,1868242,017
Credit contracts88
Other contracts11213
Counterparty netting and cash collateral(3,646)(1,886)(5,532)
Total derivative assets74,6331,285(3,646)(1,886)393
Short-term investments211,3871,408
Market risk benefit assets912912
Separate account assets87,8133,19291,005
Total (e)
$87,882$155,562$28,824$(3,646)$(1,886)$266,736
Liabilities:
Policyholder contract deposits(f)
$$108$7,942$$$8,050
Derivative liabilities:
Interest rate contracts3,2783,278
Foreign exchange contracts563563
Equity contracts268063745
Other contracts22
Counterparty netting and cash collateral(3,646)(801)(4,447)
Total derivative liabilities24,52165(3,646)(801)141
Fortitude Re funds withheld payable(g)
2,1822,182
Market risk benefit liabilities5,7055,705
Total$2$4,629$15,894$(3,646)$(801)$16,078
(a)Represents netting of derivative exposures covered by qualifying master netting agreements.
(b)Includes investments in residential-backed mortgage securities (“RMBS”) issued by related parties of $35 million and $7 million classified as Level 2 and Level 3, respectively, as of March 31, 2024. Additionally, includes investments in RMBS issued by related parties of $36 million and $7 million classified as Level 2 and Level 3, respectively, as of December 31, 2023.
(c)Includes less than $1 million of investments in RMBS issued by related parties classified as Level 2 as of March 31, 2024 and December 31, 2023.
(d)Excludes investments that are measured at fair value using the net asset value (“NAV”) per share (or its equivalent), which totaled $5.8 billion and $5.8 billion as of March 31, 2024 and December 31, 2023, respectively.
(e)Excludes assets that were reclassified to Assets held-for-sale in the Condensed Consolidated Balance Sheets of $160 million and $167 million, as of March 31, 2024 and December 31, 2023, respectively. See Note 4 for additional information.
(f)Excludes basis adjustments for fair value hedges.
(g)As discussed in Note 8, the Fortitude Re funds withheld payable is created through modco and funds withheld reinsurance arrangements where the investments supporting the reinsurance agreements are withheld by and continue to reside on Corebridge’s Condensed Consolidated Balance Sheets. This embedded derivative is valued as a total return swap with reference to the fair value of the invested assets held by Corebridge, which are primarily available-for-sale securities.
The following tables present changes during the three months ended March 31, 2024 and 2023 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 March 31, 2024 and 2023:
(in millions)Fair Value
 Beginning
 of Year
Net
 Realized
 and
Unrealized Gains
 (Losses)
 Included
in Income
Other
 Comprehensive
Income (Loss)
Purchases,
 Sales,
 Issuances
 and
 Settlements,
Net
Gross
Transfers
 In
Gross
 Transfers
 Out
OtherFair Value
 End
of Period
Changes in
 Unrealized
Gains
 (Losses)
 Included in
Income on
Instruments
Held at
End of Period
Changes in
Unrealized
Gains (Losses)
Included in
 Other Comprehensive Income (Loss)
for Recurring
 Level 3 Instruments
 Held at
 End of Period
Three Months Ended March 31, 2024
Assets:
Bonds available-for-sale:
Obligations of states, municipalities and political subdivisions
$844 $ $(14)$(1)$ $ $ $829 $ $(16)
Corporate debt1,357 1 1 9 244 (37) 1,575  (4)
RMBS5,854 68 66 404  (38) 6,354  61 
CMBS608 (5)46 (103)127 (126) 547  11 
CLO1,843 (21)51 21  (165) 1,729  52 
ABS12,906 91 88 1,271 677   15,033  86 
Total bonds available-for-sale
23,412 134 238 1,601 1,048 (366) 26,067  190 
Other bond securities:
Obligations of states, municipalities and political subdivisions1       1   
Corporate debt167 9   1   177 8  
RMBS107 2  (3)   106 2  
CMBS17       17   
CLO69 2  1  (1) 71 2  
ABS962 13  (28)   947 3  
Total other bond securities1,323 26  (30)1 (1) 1,319 15  
Equity securities42 3      45 3  
Other invested assets1,850 (80)(9)(30) (44)(16)1,671 (79) 
Total(a)
$26,627 $83 $229 $1,541 $1,049 $(411)$(16)$29,102 $(61)$190 
(in millions)Fair Value
 Beginning
 of Year
Net
 Realized
 and
Unrealized (Gains)
 Losses
 Included
in Income
Other
 Comprehensive
(Income) Loss
Purchases,
 Sales,
 Issuances
 and
 Settlements,
Net
Gross
Transfers
 In
Gross
 Transfers
 Out
OtherFair Value
 End
of Period
Changes in
 Unrealized
Gains
 (Losses)
 Included in Income on Instruments Held at
End of Period
Changes in
Unrealized
Gains (Losses)
Included in
 Other Comprehensive Income (Loss)
for Recurring
 Level 3 Instruments
 Held at
 End of Period
Liabilities:
Policyholder contract deposits$7,942 $452 $ $156 $ $ $ $8,550 $(3)$ 
Derivative liabilities, net:
Interest rate contracts(449)(108) (53)  203 (407)198  
Equity contracts(761)(191) (66)   (1,018)187  
Other contracts(10)(16) 15    (11)15  
Total derivative liabilities, net(b)
(1,220)(315) (104)  203 (1,436)400  
Fortitude Re funds withheld payable2,182 (22) 51    2,211 195  
Debt of consolidated investment entities          
Total(c)
$8,904 $115 $ $103 $ $ $203 $9,325 $592 $ 
(in millions)Fair Value
 Beginning
 of Year
Net
 Realized
 and
Unrealized Gains
 (Losses)
 Included
in Income
Other
 Comprehensive
Income (Loss)
Purchases,
 Sales,
 Issuances
 and
 Settlements,
Net
Gross
Transfers
 In
Gross
 Transfers
 Out
Other
Fair Value
 End
of Period
Changes in
 Unrealized
Gains
 (Losses)
Included in
Income on
Instruments
Held at
End of Period
Changes in
Unrealized
Gains (Losses)
Included in
 Other Comprehensive Income (Loss)
for Recurring
 Level 3 Instruments
 Held at
 End of Period
Three Months Ended March 31, 2023
Assets:
Bonds available-for-sale:
Obligations of states,
  municipalities and
  political subdivisions
$805 $— $55 $(2)$— $— $— $858 $— $43 
Corporate debt1,968 (102)44 14 167 (371)(16)1,704 — 51 
RMBS5,670 81 (40)(8)— (16)— 5,687 — (66)
CMBS718 (4)— 24 (27)— 718 — (25)
CLO1,670 (18)21 54 (92)190 1,834 — (16)
ABS9,595 42 269 804 — (3)— 10,707 — 254 
Total bonds available-for-sale
20,426 37 306 829 245 (509)174 21,508 — 241 
Other bond securities:
Obligations of states, municipalities and political subdivisions— — — — — — — — 
Corporate debt417 — — (96)— (191)— 130 — 
RMBS107 — — — — 114 — 
CMBS28 (1)— — — — — 27 (1)— 
CLO11 — (5)54 71 — 
ABS741 26 — 14 — — — 781 19 — 
Total other bond securities1,304 38 — (77)(196)54 1,124 27 — 
Equity securities26 — — 24 — — — 50 — — 
Other invested assets1,832 (44)59 — — — 1,852 (42)— 
Total(a)
$23,588 $31 $311 $835 $246 $(705)$228 $24,534 $(15)$241 
(in millions)Fair Value
 Beginning
 of Year
Net
 Realized
 and
Unrealized (Gains)
 Losses
 Included
in Income
Other
 Comprehensive
(Income) Loss
Purchases,
 Sales,
 Issuances
 and
 Settlements,
Net
Gross
Transfers
 In
Gross
 Transfers
 Out
OtherFair Value
 End
of Period
Changes in
 Unrealized
Gains
 (Losses)
Included in
Income on
Instruments
Held at
End of Period
Changes in
Unrealized
Gains (Losses)
Included in
 Other Comprehensive Income (Loss)
for Recurring
 Level 3 Instruments
 Held at
 End of Period
Liabilities:
Policyholder contract deposits$5,367 $381 $— $316 $— $— $— $6,064 $(368)$— 
Derivative liabilities, net:
Interest rate contracts(303)78 — (119)— — — (344)(71)— 
Equity contracts(156)(176)— (165)— — — (497)178 — 
Other contracts(14)(16)— 16 — — — (14)16 — 
Total derivative liabilities, net(b)
(473)(114)— (268)— — — (855)123 — 
Fortitude Re funds withheld payable1,262 1,025 — (513)— — — 1,774 (633)— 
Debt of consolidated investment entities— — — — — — — — 
Total(c)
$6,162 $1,292 $— $(465)$— $— $— $6,989 $(878)$— 
(a)Excludes MRB assets of $1.2 billion at March 31, 2024 and $830 million at March 31, 2023. Refer to Note 15 for additional information.
(b)Total Level 3 derivative exposures have been netted in these tables for presentation purposes only.
(c)Excludes MRB liabilities of $5.2 billion at March 31, 2024 and $5.1 billion at March 31, 2023. Refer to Note 15 for additional information.
Change in the fair value of market risk benefits, net and 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 (Loss) as follows:
(in millions)Policy
Fees
Net Investment IncomeNet Realized and Unrealized Gains
(Losses)
Change in the Fair Value of Market Risk Benefits, net(a)
Total
Three Months Ended March 31, 2024
Assets:
Bonds available-for-sale$$159$(25)$$134
Other bond securities2626
Equity securities33
Other invested assets(78)(2)(80)
Three Months Ended March 31, 2023
Assets:
Bonds available-for-sale$$32$5$$37
Other bond securities— 38— 38
Equity securities
Other invested assets(43)(1)(44)
(in millions)Policy
Fees
Net Investment IncomeNet Realized and Unrealized Gains
(Losses)
Change in the Fair Value of Market Risk Benefits, net(a)
Total
Three Months Ended March 31, 2024
Liabilities:
Policyholder contract deposits(b)
$$$(452)$$(452)
Derivative liabilities, net15363(63)315
Fortitude Re funds withheld payable2222
Market risk benefit liabilities, net(c)
21,0691,071
Three Months Ended March 31, 2023
Liabilities:
Policyholder contract deposits(b)
$$$(381)$$(381)
Derivative liabilities, net16 197 (99)114
Fortitude Re funds withheld payable(1,025)(1,025)
Market risk benefit liabilities, net(c)
(87)(87)
(a)    The portion of the fair value change attributable to our own credit risk is recognized in Other comprehensive income (loss) (OCI).
(b)    Primarily embedded derivatives.
(c)    Market risk benefit assets and liabilities have been netted in these tables for presentation purposes only.
The following table presents the gross components of purchases, sales, issuances and settlements, net, shown above, for the three months ended March 31, 2024 and 2023 related to Level 3 assets and liabilities in the Condensed Consolidated Balance Sheets:
(in millions)PurchasesSalesIssuances
and
Settlements
Purchases, Sales,
Issuances and
Settlements,
Net
Three Months Ended March 31, 2024
Assets:
Bonds available-for-sale:
Obligations of states, municipalities and political subdivisions$$$(1)$(1)
Corporate debt15(6)9
RMBS574(170)404
CMBS(30)(73)(103)
CLO130(2)(107)21
ABS1,704(53)(380)1,271
Total bonds available-for-sale
2,423(85)(737)1,601
Other bond securities:
Obligations of states, municipalities and political subdivisions
Corporate debt
RMBS(3)(3)
CMBS
CLO11
ABS29(57)(28)
Total other bond securities30(60)(30)
Equity securities
Other invested assets62(92)(30)
Total assets*$2,515$(85)$(889)$1,541
Liabilities:
Policyholder contract deposits$$332$(176)$156
Derivative liabilities, net(1)(103)(104)
Fortitude Re funds withheld payable5151
Total liabilities$(1)$332$(228)$103
Three Months Ended March 31, 2023
Assets:
Bonds available-for-sale:
Obligations of states, municipalities and political subdivisions$$— $(2)$(2)
Corporate debt28— (14)14
RMBS167(175)(8)
CMBS9(6)(3)
CLO10— 11 21
ABS858— (54)804
Total bonds available-for-sale
1,072(6)(237)829
Other bond securities:
Obligations of states, municipalities and political subdivisions1— 1
Corporate debt(96)(96)
RMBS6(3)3
CMBS
CLO1— — 
ABS32— (18)14 
Total other bond securities40(117)(77)
Equity securities2424
Other invested assets70(11)59
Total assets*$1,206$(6)$(365)$835
Liabilities:
Policyholder contract deposits$$326$(10)$316
Derivative liabilities, net(101)(167)(268)
Fortitude Re funds withheld payable(513)(513)
Total liabilities$(101)$326$(690)$(465)
*    There were no issuances during the three months ended March 31, 2024 and 2023 for invested assets.
Fair Value Measurement Inputs and Valuation Techniques
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 CLO/ABS) may not be reasonably available to us, balances shown below may not equal total amounts reported for such Level 3 assets and liabilities:
(in millions)Fair Value at March 31, 2024Valuation
Technique
Unobservable Input(a)
Range
(Weighted Average)(b)
Assets:
Obligations of states, municipalities and political subdivisions$806 Discounted cash flowYield
5.10% - 5.39% (5.24%)
Corporate debt$1,581 Discounted cash flowYield
5.27% - 9.21% (7.24%)
RMBS(c)
$3,338 Discounted cash flowPrepayment Speed
4.34% - 9.96% (7.15%)
Default Rate
0.75% - 2.53% (1.64%)
Yield
5.63% - 7.01% (6.32%)
Loss Severity
33.61% - 87.20% (60.41%)
CLO(c)
$1,709 Discounted cash flowYield
6.62% - 7.93% (7.28%)
ABS(c)
$13,559 Discounted cash flowYield
5.75% - 7.79% (6.77%)
CMBS$521 Discounted cash flowYield
5.22% - 17.77% (11.12%)
Market risk benefit assets$1,172 Discounted cash flowEquity volatility
6.35% - 49.95%
Base lapse rate
0.16% - 28.80%
Dynamic lapse multiplier(e)
20.00% - 186.18%
Mortality multiplier(e)(f)
38.25% - 160.01%
Utilization(g)
80.00% - 100.00%
Equity / interest-rate correlation
0.00% - 30.00%
NPA(h)
0.06% - 2.33%
Liabilities(d):
Market risk benefit liabilities
Variable annuities guaranteed benefits$1,675 Discounted cash flowEquity volatility
6.35% - 49.95%
Base lapse rate
0.16% - 28.80%
Dynamic lapse multiplier(e)
20.00% - 186.18%
Mortality multiplier(e)(f)
38.25% - 160.01%
Utilization(g)
80.00% - 100.00%
Equity / interest-rate correlation
0.00% - 30.00%
NPA(h)
0.06% - 2.33%
Fixed annuities guaranteed benefits$1,130 Discounted cash flowBase lapse rate
0.20% - 15.75%
Dynamic lapse multiplier(e)
20.00% - 186.18%
Mortality multiplier(e)(f)
40.26% - 168.43%
Utilization(g)
90.00% - 97.50%
NPA(h)
0.06% - 2.33%
Fixed index annuities guaranteed benefits$2,362 Discounted cash flowEquity volatility
6.35% - 49.95%
Base lapse rate
0.20% - 50.00%
Dynamic lapse multiplier(e)
20.00% - 186.18%
Mortality multiplier(e)(f)
24.00% - 146.00%
Utilization(g)
60.00% - 97.50%
Option budget
0.00% - 6.00%
Equity / interest-rate correlation
0.00% - 30.00%
NPA(h)
0.06% - 2.33%
(in millions)Fair Value at March 31, 2024Valuation
Technique
Unobservable Input(a)
Range
(Weighted Average)(b)
Embedded derivatives within Policyholder contract deposits:
Index credits on fixed index annuities(i)
$7,603 Discounted cash flowEquity volatility
6.35% - 49.95%
Base lapse rate
0.20% - 50.00%
Dynamic lapse multiplier(e)
20.00% - 186.18%
Mortality multiplier(e)(f)
24.00% - 146.00%
Utilization(g)
60.00% - 97.50%
Option Budget
0.00% - 6.00%
Equity / interest-rate correlation
0.00% - 30.00%
NPA(h)
0.06% - 2.33%
Index universal life
$947 Discounted cash flowBase lapse rate
0.00% - 37.97%
Mortality rates
0.00% - 100.00%
Equity Volatility
5.85% - 19.95%
NPA(h)
0.06% - 2.33%
(in millions)Fair Value at December 31, 2023Valuation
Technique
Unobservable Input(a)
Range
(Weighted Average)(b)
Assets:
Obligations of states, municipalities and political subdivisions$821 Discounted cash flowYield
 4.97% - 5.31% (5.14%)
Corporate debt$1,471 Discounted cash flowYield
  5.26% - 8.16% (6.71%)
RMBS(c)
$3,315 Discounted cash flowPrepayment Speed
 4.31% - 9.86% (7.09%)
Default Rate
 0.73% - 2.52% (1.63%)
Yield
 6.11% - 7.40% (6.75%)
Loss Severity
  30.64% - 91.03% (60.83%)
CLO(c)
$1,697 Discounted cash flowYield
 6.06% - 7.81% (6.93%)
ABS(c)
$11,367 Discounted cash flowYield
5.63% - 7.82% (6.73%)
CMBS$565 Discounted cash flowYield
  5.49% - 17.84% (11.66%)
Market risk benefit assets$912 Discounted cash flowEquity volatility
6.25% - 49.75%
Base lapse rate
0.16% - 28.80%
Dynamic lapse multiplier(e)
20.00% - 186.18%
Mortality multiplier(e)(f)
38.25% - 160.01%
Utilization(g)
80.00% - 100.00%
Equity / interest-rate correlation
0.00% - 30.00%
NPA(h)
0.00% - 2.29%
Liabilities(d):
Market risk benefit liabilities
Variable annuities guaranteed benefits$2,174 Discounted cash flowEquity volatility
6.25% - 49.75%
Base lapse rate
0.16% - 28.80%
Dynamic lapse multiplier(e)
20.00% - 186.18%
Mortality multiplier(e)(f)
38.25% - 160.01%
Utilization(g)
80.00% - 100.00%
Equity / interest-rate correlation
0.00% - 30.00%
NPA(h)
0.00% - 2.29%
Fixed annuities guaranteed benefits$1,111 Discounted cash flowBase lapse rate
0.20% - 15.75%
Dynamic lapse multiplier(e)
20.00% - 186.18%
Mortality multiplier(e)(f)
40.26% - 168.43%
Utilization(g)
90.00% - 97.50%
NPA(g)
0.00% - 2.29%
(in millions)Fair Value at December 31, 2023Valuation
Technique
Unobservable Input(a)
Range
(Weighted Average)(b)
Fixed index annuities guaranteed benefits$2,420 Discounted cash flowEquity volatility
6.25% - 49.75%
Base lapse rate
0.20% - 50.00%
Dynamic lapse multiplier(e)
20.00% - 186.18%
Mortality multiplier(e)(f)
24.00% - 146.00%
Utilization(g)
60.00% - 97.50%
Option budget
0.00% - 6.00%
Equity / interest-rate correlation
0.00% - 30.00%
NPA(h)
0.00% - 2.29%
Embedded derivatives within Policyholder contract deposits:
Index credits on fixed index annuities(i)
$6,953 Discounted cash flowEquity volatility
6.25% - 49.75%
Base lapse rate
0.20% - 50.00%
Dynamic lapse multiplier(e)
20.00% - 186.18%
Mortality multiplier(e)(f)
24.00% - 146.00%
Utilization(g)
60.00% - 97.50%
Option Budget
0.00% - 6.00%
Equity / interest-rate correlation
0.00% - 30.00%
NPA(h)
0.00% - 2.29%
Index universal life
$989 Discounted cash flowBase lapse rate
 0.00% - 37.97%
Mortality rates
 0.00% - 100.00%
Equity Volatility
 5.85% - 20.36%
NPA(h)
 0.00% - 2.29%
(a)Represents discount rates, estimates and assumptions that we believe would be used by market participants when valuing these assets and liabilities.
(b)The weighted averaging for fixed maturity securities is based on the estimated fair value of the securities. Because the valuation methodology for embedded derivatives within policyholder contract deposits and MRBs uses a range of inputs that vary at the contract level over the cash flow projection period, management believes that presenting a range, rather than weighted average, is a more meaningful representation of the unobservable inputs used in the valuation.
(c)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 CLO 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.
(d)The Fortitude Re funds withheld payable has been excluded from the above table. As discussed in Note 8, the Fortitude Re funds withheld payable is created through modco and funds withheld reinsurance arrangements where the investments supporting the reinsurance agreements are withheld by and continue to reside on Corebridge’s Condensed Consolidated Balance Sheets. This embedded derivative is valued as a total return swap with reference to the fair value of the invested assets held by Corebridge. Accordingly, the unobservable inputs utilized in the valuation of the embedded derivative are a component of the invested assets supporting the reinsurance agreements that are held on Corebridge’s Condensed Consolidated Balance Sheets.
(e)The ranges for these inputs vary due to the different GMWB product specification and policyholder characteristics across in-force policies. Policyholder characteristics that affect these ranges include age, policy duration, and gender.
(f)Mortality inputs are shown as multipliers of the 2012 Individual Annuity Mortality Basic table.
(g)The partial withdrawal utilization unobservable input range shown applies only to policies with GMWB riders.
(h)The NPA applied as a spread over risk-free curve for discounting.
(i)The fixed index annuities embedded derivative associated with index credits related to the contracts with guaranteed product features included in policyholder contract deposits was $1.7 billion and $1.5 billion at March 31, 2024 and December 31, 2023, respectively.
Investments in Certain Entities that Calculate 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:
March 31, 2024December 31, 2023
(in millions)Investment Category IncludesFair Value
Using NAV
Per Share (or
its equivalent)
Unfunded
Commitments
Fair Value
Using NAV
Per Share (or
its equivalent)
Unfunded
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$2,519 $1,758 $2,445 $1,755 
Real estateInvestments in real estate properties and infrastructure positions, including power plants and other energy generating facilities996 583 1,074 540 
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 company194 88 203 91 
Growth equityFunds that make investments in established companies for the purpose of growing their businesses486 105 485 109 
MezzanineFunds that make investments in the junior debt and equity securities of leveraged companies124 39 152 42 
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 strategies
1,225 202 1,182 233 
Total private equity funds5,544 2,775 5,541 2,770 
Hedge funds:
Event-drivenSecurities of companies undergoing material structural changes, including mergers, acquisitions and other reorganizations4  — 
Long-shortSecurities that the manager believes are undervalued, with corresponding short positions to hedge market risk156  161 — 
MacroInvestments that take long and short positions in financial instruments based on a top-down view of certain economic and capital market conditions37  69 — 
OtherIncludes investments held in funds that are less liquid, as well as other strategies which allow for broader allocation between public and private investments59  65 — 
Total hedge funds256  299 — 
Total$5,800 $2,775 $5,840 $2,770 
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:
Three Months Ended March 31,
(in millions)20242023
Assets:
Other bond securities(a)
$84 $115 
Alternative investments(b)
51 
Total assets135 116 
Liabilities:
Policyholder contract deposits(c)
1 (1)
Total liabilities1 (1)
Total gain (loss)$136 $115 
(a)Includes certain securities supporting the funds withheld arrangements with Fortitude Re. For additional information regarding the gains and losses for Other bond securities, see Note 6. For additional information regarding the funds withheld arrangements with Fortitude Re, see Note 8.
(b)Includes certain hedge funds, private equity funds and other investment partnerships.
(c)Represents GICs.
Fair Value Measurements, Nonrecurring 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 March 31,
(in millions)Level 1Level 2Level 3Total20242023
March 31, 2024
Other investments$$$98$98$25$
Total$$$98$98$25$
December 31, 2023
Other investments$$$80$80
Total$$$80$80
Fair Value, by Balance Sheet Grouping
The following table presents the carrying amounts and estimated fair values of our financial instruments not measured at fair value and indicates the level in the fair value hierarchy of the estimated fair value measurement based on the observability of the inputs used:
Estimated Fair Value
(in millions)Level 1Level 2Level 3TotalCarrying
Value
March 31, 2024
Assets:
Mortgage and other loans receivable$ $29 $44,590 $44,619 $47,830 
Other invested assets 273  273 273 
Short-term investments(a)
 2,887  2,887 2,887 
Cash(b)
410   410 410 
Other assets13   13 13 
Liabilities:
Policyholder contract deposits associated with investment-type contracts 86 136,106 136,192 141,851 
Fortitude Re funds withheld payable  23,112 23,112 23,112 
Other liabilities 3,585  3,585 3,585 
Short-term debt 250  250 250 
Long-term debt 8,662  8,662 9,118 
Debt of consolidated investment entities 67 2,225 2,292 2,530 
Separate account liabilities - investment contracts 91,243  91,243 91,243 
December 31, 2023
Assets:
Mortgage and other loans receivable$— $30 $43,919 $43,949 $46,867 
Other invested assets— 268 — 268 268 
Short-term investments(a)
— 2,928 — 2,928 2,928 
Cash(b)
612 — — 612 612 
Other assets13 — — 13 13 
Liabilities:
Policyholder contract deposits associated with investment-type contracts— 90 130,094 130,184 140,652 
Fortitude Re funds withheld payable— — 23,775 23,775 23,775 
Other liabilities— 2,467 — 2,467 2,467 
Short-term debt— 250 — 250 250 
Long-term debt— 8,722 — 8,722 9,118 
Debt of consolidated investment entities— 43 2,230 2,273 2,504 
Separate account liabilities - investment contracts— 87,215 — 87,215 87,215 
(a)    Excludes assets that were reclassified to Assets held-for-sale in the Condensed Consolidated Balance Sheets of $24 million and $11 million as of March 31, 2024 and December 31, 2023, respectively. See Note 4 for additional information.
(b)    Excludes assets that were reclassified to Assets held-for-sale in the Condensed Consolidated Balance Sheets of $0 million and $3 million as of March 31, 2024 and December 31, 2023, respectively. See Note 4 for additional information.