XML 96 R48.htm IDEA: XBRL DOCUMENT
v3.21.2

Fair Value Measurements - Fair Value by Hierarchy (Details) - USD ($) $ in Millions | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | $ 44,023 | $ 45,035
Equity securities, at fair value | 1,693 | 1,438
Derivative assets | 14 | 23
Short-term investments | 3,398 | 3,283
Total assets accounted for at fair value on a recurring basis | 49,128 | 49,779
Liabilities accounted for at fair value on a recurring basis |  |
Derivative liabilities | (59) | (84)
Total liabilities accounted for at fair value on a recurring basis | (59) | (84)
Credit derivatives |  |
Assets accounted for at fair value on a recurring basis |  |
Derivative assets | 13 | 21
Liabilities accounted for at fair value on a recurring basis |  |
Derivative liabilities | (2) |
Foreign exchange derivatives |  |
Assets accounted for at fair value on a recurring basis |  |
Derivative assets |  | 1
Liabilities accounted for at fair value on a recurring basis |  |
Derivative liabilities | (4) | (14)
Interest rate derivatives |  |
Assets accounted for at fair value on a recurring basis |  |
Derivative assets | 1 | 1
Liabilities accounted for at fair value on a recurring basis |  |
Derivative liabilities | (53) | (70)
Asset backed securities ("ABS") |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 1,321 | 1,564
Collateralized Loan Obligations [Member] |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 3,100 | 2,780
CMBS |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 4,095 | 4,484
Corporate |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 19,161 | 20,273
Foreign government/government agencies |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 873 | 919
Municipal |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 9,161 | 9,503
RMBS |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 3,520 | 4,107
U.S. Treasuries |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 2,792 | 1,405
Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 250 | 529
Equity securities, at fair value | 1,061 | 872
Derivative assets | 0 | 0
Short-term investments | 2,204 | 2,663
Total assets accounted for at fair value on a recurring basis | 3,515 | 4,064
Liabilities accounted for at fair value on a recurring basis |  |
Derivative liabilities | 0 | 0
Total liabilities accounted for at fair value on a recurring basis | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Credit derivatives |  |
Assets accounted for at fair value on a recurring basis |  |
Derivative assets | 0 | 0
Liabilities accounted for at fair value on a recurring basis |  |
Derivative liabilities | 0 |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign exchange derivatives |  |
Assets accounted for at fair value on a recurring basis |  |
Derivative assets |  | 0
Liabilities accounted for at fair value on a recurring basis |  |
Derivative liabilities | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Interest rate derivatives |  |
Assets accounted for at fair value on a recurring basis |  |
Derivative assets | 0 | 0
Liabilities accounted for at fair value on a recurring basis |  |
Derivative liabilities | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Asset backed securities ("ABS") |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Collateralized Loan Obligations [Member] |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | CMBS |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign government/government agencies |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Municipal |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | RMBS |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. Treasuries |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 250 | 529
Significant Observable Inputs (Level 2) |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 41,855 | 42,801
Equity securities, at fair value | 558 | 496
Derivative assets | 14 | 23
Short-term investments | 1,176 | 590
Total assets accounted for at fair value on a recurring basis | 43,603 | 43,910
Liabilities accounted for at fair value on a recurring basis |  |
Derivative liabilities | (59) | (84)
Total liabilities accounted for at fair value on a recurring basis | (59) | (84)
Significant Observable Inputs (Level 2) | Credit derivatives |  |
Assets accounted for at fair value on a recurring basis |  |
Derivative assets | 13 | 21
Liabilities accounted for at fair value on a recurring basis |  |
Derivative liabilities | (2) |
Significant Observable Inputs (Level 2) | Foreign exchange derivatives |  |
Assets accounted for at fair value on a recurring basis |  |
Derivative assets |  | 1
Liabilities accounted for at fair value on a recurring basis |  |
Derivative liabilities | (4) | (14)
Significant Observable Inputs (Level 2) | Interest rate derivatives |  |
Assets accounted for at fair value on a recurring basis |  |
Derivative assets | 1 | 1
Liabilities accounted for at fair value on a recurring basis |  |
Derivative liabilities | (53) | (70)
Significant Observable Inputs (Level 2) | Asset backed securities ("ABS") |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 1,307 | 1,564
Significant Observable Inputs (Level 2) | Collateralized Loan Obligations [Member] |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 2,725 | 2,420
Significant Observable Inputs (Level 2) | CMBS |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 4,009 | 4,407
Significant Observable Inputs (Level 2) | Corporate |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 18,020 | 19,392
Significant Observable Inputs (Level 2) | Foreign government/government agencies |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 873 | 913
Significant Observable Inputs (Level 2) | Municipal |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 9,161 | 9,503
Significant Observable Inputs (Level 2) | RMBS |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 3,218 | 3,726
Significant Observable Inputs (Level 2) | U.S. Treasuries |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 2,542 | 876
Significant Unobservable Inputs (Level 3) |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 1,918 | 1,705
Equity securities, at fair value | 74 | 70
Derivative assets | 0 | 0
Short-term investments | 18 | 30
Total assets accounted for at fair value on a recurring basis | 2,010 | 1,805
Liabilities accounted for at fair value on a recurring basis |  |
Derivative liabilities | 0 | 0
Total liabilities accounted for at fair value on a recurring basis | 0 | 0
Significant Unobservable Inputs (Level 3) | Credit derivatives |  |
Assets accounted for at fair value on a recurring basis |  |
Derivative assets | 0 | 0
Liabilities accounted for at fair value on a recurring basis |  |
Derivative liabilities | 0 |
Significant Unobservable Inputs (Level 3) | Foreign exchange derivatives |  |
Assets accounted for at fair value on a recurring basis |  |
Derivative assets |  | 0
Liabilities accounted for at fair value on a recurring basis |  |
Derivative liabilities | 0 | 0
Significant Unobservable Inputs (Level 3) | Interest rate derivatives |  |
Assets accounted for at fair value on a recurring basis |  |
Derivative assets | 0 | 0
Liabilities accounted for at fair value on a recurring basis |  |
Derivative liabilities | 0 | 0
Significant Unobservable Inputs (Level 3) | Asset backed securities ("ABS") |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 14 | 0
Significant Unobservable Inputs (Level 3) | Collateralized Loan Obligations [Member] |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 375 | 360
Significant Unobservable Inputs (Level 3) | CMBS |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 86 | 77
Significant Unobservable Inputs (Level 3) | Corporate |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 1,141 | 881
Significant Unobservable Inputs (Level 3) | Foreign government/government agencies |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 0 | 6
Significant Unobservable Inputs (Level 3) | Municipal |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 0 | 0
Significant Unobservable Inputs (Level 3) | RMBS |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 302 | 381
Significant Unobservable Inputs (Level 3) | U.S. Treasuries |  |
Assets accounted for at fair value on a recurring basis |  |
Debt Securities, Available-for-sale | 0 | 0
Fair Value Measured at Net Asset Value Per Share [Member] |  |
Liabilities accounted for at fair value on a recurring basis |  |
Deposit Assets | $ 57 | $ 54

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_AssetsFairValueDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The carrying amount of the asset transferred to a third party to serve as a deposit, which typically serves as security against failure by the transferor to perform under terms of an agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8,17) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DepositAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
Name: | us-gaap_DerivativeAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 + Details
Name: | us-gaap_DerivativeLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=123594786&loc=SL75136599-209740 + Details
Name: | us-gaap_EquitySecuritiesFvNi
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_LiabilitiesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_LiabilitiesFairValueDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of short-term investments classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(g)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.5) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
Name: | us-gaap_OtherShortTermInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CreditRiskContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_AssetBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CollateralizedLoanObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CommercialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_ForeignGovernmentDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_ResidentialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USTreasurySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |