0001059556Q3false--12-312023P1YP1Yhttp://fasb.org/us-gaap/2023#RestructuringCharges00010595562023-01-012023-09-300001059556us-gaap:CommonStockMember2023-01-012023-09-300001059556mco:TwoThousandAndFifteenSeniorNotesDueTwoThousandAndTwentySevenMember2023-01-012023-09-300001059556mco:A950SeniorNotesDueTwoThousandAndThirtyMember2023-01-012023-09-3000010595562023-09-30xbrli:shares00010595562023-07-012023-09-30iso4217:USD00010595562022-07-012022-09-3000010595562022-01-012022-09-30iso4217:USDxbrli:shares00010595562022-12-310001059556mco:SeriesCommonStockMember2022-12-310001059556mco:SeriesCommonStockMember2023-09-300001059556mco:NonSeriesCommonStockMember2022-12-310001059556mco:NonSeriesCommonStockMember2023-09-3000010595562021-12-3100010595562022-09-300001059556us-gaap:CommonStockMember2022-06-300001059556us-gaap:AdditionalPaidInCapitalMember2022-06-300001059556us-gaap:RetainedEarningsMember2022-06-300001059556us-gaap:TreasuryStockCommonMember2022-06-300001059556us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-06-300001059556us-gaap:ParentMember2022-06-300001059556us-gaap:NoncontrollingInterestMember2022-06-3000010595562022-06-300001059556us-gaap:RetainedEarningsMember2022-07-012022-09-300001059556us-gaap:ParentMember2022-07-012022-09-300001059556us-gaap:NoncontrollingInterestMember2022-07-012022-09-300001059556us-gaap:AdditionalPaidInCapitalMember2022-07-012022-09-300001059556us-gaap:TreasuryStockCommonMember2022-07-012022-09-300001059556us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-07-012022-09-300001059556us-gaap:CommonStockMember2022-09-300001059556us-gaap:AdditionalPaidInCapitalMember2022-09-300001059556us-gaap:RetainedEarningsMember2022-09-300001059556us-gaap:TreasuryStockCommonMember2022-09-300001059556us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-09-300001059556us-gaap:ParentMember2022-09-300001059556us-gaap:NoncontrollingInterestMember2022-09-300001059556us-gaap:CommonStockMember2021-12-310001059556us-gaap:AdditionalPaidInCapitalMember2021-12-310001059556us-gaap:RetainedEarningsMember2021-12-310001059556us-gaap:TreasuryStockCommonMember2021-12-310001059556us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-12-310001059556us-gaap:ParentMember2021-12-310001059556us-gaap:NoncontrollingInterestMember2021-12-310001059556us-gaap:RetainedEarningsMember2022-01-012022-09-300001059556us-gaap:ParentMember2022-01-012022-09-300001059556us-gaap:NoncontrollingInterestMember2022-01-012022-09-300001059556us-gaap:AdditionalPaidInCapitalMember2022-01-012022-09-300001059556us-gaap:TreasuryStockCommonMember2022-01-012022-09-300001059556us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-01-012022-09-300001059556us-gaap:CommonStockMember2023-06-300001059556us-gaap:AdditionalPaidInCapitalMember2023-06-300001059556us-gaap:RetainedEarningsMember2023-06-300001059556us-gaap:TreasuryStockCommonMember2023-06-300001059556us-gaap:AccumulatedOtherComprehensiveIncomeMember2023-06-300001059556us-gaap:ParentMember2023-06-300001059556us-gaap:NoncontrollingInterestMember2023-06-3000010595562023-06-300001059556us-gaap:RetainedEarningsMember2023-07-012023-09-300001059556us-gaap:ParentMember2023-07-012023-09-300001059556us-gaap:NoncontrollingInterestMember2023-07-012023-09-300001059556us-gaap:AdditionalPaidInCapitalMember2023-07-012023-09-300001059556us-gaap:TreasuryStockCommonMember2023-07-012023-09-300001059556us-gaap:AccumulatedOtherComprehensiveIncomeMember2023-07-012023-09-300001059556us-gaap:CommonStockMember2023-09-300001059556us-gaap:AdditionalPaidInCapitalMember2023-09-300001059556us-gaap:RetainedEarningsMember2023-09-300001059556us-gaap:TreasuryStockCommonMember2023-09-300001059556us-gaap:AccumulatedOtherComprehensiveIncomeMember2023-09-300001059556us-gaap:ParentMember2023-09-300001059556us-gaap:NoncontrollingInterestMember2023-09-300001059556us-gaap:CommonStockMember2022-12-310001059556us-gaap:AdditionalPaidInCapitalMember2022-12-310001059556us-gaap:RetainedEarningsMember2022-12-310001059556us-gaap:TreasuryStockCommonMember2022-12-310001059556us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-12-310001059556us-gaap:ParentMember2022-12-310001059556us-gaap:NoncontrollingInterestMember2022-12-310001059556us-gaap:RetainedEarningsMember2023-01-012023-09-300001059556us-gaap:ParentMember2023-01-012023-09-300001059556us-gaap:NoncontrollingInterestMember2023-01-012023-09-300001059556us-gaap:AdditionalPaidInCapitalMember2023-01-012023-09-300001059556us-gaap:TreasuryStockCommonMember2023-01-012023-09-300001059556us-gaap:AccumulatedOtherComprehensiveIncomeMember2023-01-012023-09-30mco:segment0001059556us-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:DSBankingProductAndServiceMembermco:MoodysAnalyticsMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:DSBankingProductAndServiceMembermco:MoodysAnalyticsMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:DSBankingProductAndServiceMembermco:MoodysAnalyticsMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:DSBankingProductAndServiceMembermco:MoodysAnalyticsMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:InsuranceMembermco:MoodysAnalyticsMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:InsuranceMembermco:MoodysAnalyticsMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:InsuranceMembermco:MoodysAnalyticsMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:InsuranceMembermco:MoodysAnalyticsMember2022-01-012022-09-300001059556mco:KYCMemberus-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:MoodysAnalyticsMember2023-07-012023-09-300001059556mco:KYCMemberus-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:MoodysAnalyticsMember2022-07-012022-09-300001059556mco:KYCMemberus-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:MoodysAnalyticsMember2023-01-012023-09-300001059556mco:KYCMemberus-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:MoodysAnalyticsMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:MoodysAnalyticsMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:MoodysAnalyticsMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:MoodysAnalyticsMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:MoodysAnalyticsMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:ResearchAndInsightsMembermco:MoodysAnalyticsMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:ResearchAndInsightsMembermco:MoodysAnalyticsMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:ResearchAndInsightsMembermco:MoodysAnalyticsMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:ResearchAndInsightsMembermco:MoodysAnalyticsMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:DataAndInformationMembermco:MoodysAnalyticsMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:DataAndInformationMembermco:MoodysAnalyticsMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:DataAndInformationMembermco:MoodysAnalyticsMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:DataAndInformationMembermco:MoodysAnalyticsMember2022-01-012022-09-300001059556mco:MoodysAnalyticsMember2023-07-012023-09-300001059556mco:MoodysAnalyticsMember2022-07-012022-09-300001059556mco:MoodysAnalyticsMember2023-01-012023-09-300001059556mco:MoodysAnalyticsMember2022-01-012022-09-300001059556us-gaap:IntersegmentEliminationMembermco:MoodysAnalyticsMember2023-07-012023-09-300001059556us-gaap:IntersegmentEliminationMembermco:MoodysAnalyticsMember2022-07-012022-09-300001059556us-gaap:IntersegmentEliminationMembermco:MoodysAnalyticsMember2023-01-012023-09-300001059556us-gaap:IntersegmentEliminationMembermco:MoodysAnalyticsMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:MoodysAnalyticsMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:MoodysAnalyticsMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:MoodysAnalyticsMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:MoodysAnalyticsMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:InvestmentGradeMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:InvestmentGradeMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:InvestmentGradeMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:InvestmentGradeMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:HighYieldMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:HighYieldMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:HighYieldMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:HighYieldMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556mco:BankLoansMemberus-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:BankLoansMemberus-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:BankLoansMemberus-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556mco:BankLoansMemberus-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:OtherProductLinesMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:OtherProductLinesMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:OtherProductLinesMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:OtherProductLinesMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:AssetsBackedSecuritiesMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:AssetsBackedSecuritiesMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:AssetsBackedSecuritiesMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:AssetsBackedSecuritiesMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:ResidentialMortgageBackedSecuritiesProductMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:ResidentialMortgageBackedSecuritiesProductMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:ResidentialMortgageBackedSecuritiesProductMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:ResidentialMortgageBackedSecuritiesProductMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:CommercialMortgageBackedSecuritiesProductMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:CommercialMortgageBackedSecuritiesProductMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:CommercialMortgageBackedSecuritiesProductMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:CommercialMortgageBackedSecuritiesProductMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:StructuredCreditMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:StructuredCreditMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:StructuredCreditMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:StructuredCreditMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:OtherProductLinesMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:OtherProductLinesMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:OtherProductLinesMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:OtherProductLinesMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMemberus-gaap:BankingMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMemberus-gaap:BankingMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMemberus-gaap:BankingMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMemberus-gaap:BankingMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMembermco:InsuranceMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMembermco:InsuranceMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMembermco:InsuranceMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMembermco:InsuranceMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:ManagedInvestmentsMembermco:FinancialInstitutionsMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:ManagedInvestmentsMembermco:FinancialInstitutionsMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:ManagedInvestmentsMembermco:FinancialInstitutionsMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:ManagedInvestmentsMembermco:FinancialInstitutionsMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMembermco:OtherProductLinesMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMembermco:OtherProductLinesMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMembermco:OtherProductLinesMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMembermco:OtherProductLinesMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:PublicProjectAndInfrastructureFinanceMembermco:PublicFinanceSovereignMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:PublicProjectAndInfrastructureFinanceMembermco:PublicFinanceSovereignMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:PublicProjectAndInfrastructureFinanceMembermco:PublicFinanceSovereignMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:PublicProjectAndInfrastructureFinanceMembermco:PublicFinanceSovereignMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556mco:ProjectAndInfrastructureMemberus-gaap:OperatingSegmentsMembermco:PublicProjectAndInfrastructureFinanceMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:ProjectAndInfrastructureMemberus-gaap:OperatingSegmentsMembermco:PublicProjectAndInfrastructureFinanceMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:ProjectAndInfrastructureMemberus-gaap:OperatingSegmentsMembermco:PublicProjectAndInfrastructureFinanceMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556mco:ProjectAndInfrastructureMemberus-gaap:OperatingSegmentsMembermco:PublicProjectAndInfrastructureFinanceMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:PublicProjectAndInfrastructureFinanceMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:PublicProjectAndInfrastructureFinanceMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:PublicProjectAndInfrastructureFinanceMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:PublicProjectAndInfrastructureFinanceMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:RatingRevenueMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:RatingRevenueMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:RatingRevenueMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:RatingRevenueMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:MISOtherMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:MISOtherMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:MISOtherMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:MISOtherMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556mco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556mco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:IntersegmentEliminationMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:IntersegmentEliminationMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:IntersegmentEliminationMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:IntersegmentEliminationMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:IntersegmentEliminationMember2023-07-012023-09-300001059556us-gaap:IntersegmentEliminationMember2022-07-012022-09-300001059556us-gaap:IntersegmentEliminationMember2023-01-012023-09-300001059556us-gaap:IntersegmentEliminationMember2022-01-012022-09-300001059556mco:DecisionSolutionsMembermco:MoodysAnalyticsMembercountry:US2023-07-012023-09-300001059556us-gaap:NonUsMembermco:DecisionSolutionsMembermco:MoodysAnalyticsMember2023-07-012023-09-300001059556mco:DecisionSolutionsMembermco:MoodysAnalyticsMember2023-07-012023-09-300001059556mco:DecisionSolutionsMembermco:MoodysAnalyticsMembercountry:US2022-07-012022-09-300001059556us-gaap:NonUsMembermco:DecisionSolutionsMembermco:MoodysAnalyticsMember2022-07-012022-09-300001059556mco:DecisionSolutionsMembermco:MoodysAnalyticsMember2022-07-012022-09-300001059556mco:ResearchAndInsightsMembermco:MoodysAnalyticsMembercountry:US2023-07-012023-09-300001059556us-gaap:NonUsMembermco:ResearchAndInsightsMembermco:MoodysAnalyticsMember2023-07-012023-09-300001059556mco:ResearchAndInsightsMembermco:MoodysAnalyticsMember2023-07-012023-09-300001059556mco:ResearchAndInsightsMembermco:MoodysAnalyticsMembercountry:US2022-07-012022-09-300001059556us-gaap:NonUsMembermco:ResearchAndInsightsMembermco:MoodysAnalyticsMember2022-07-012022-09-300001059556mco:ResearchAndInsightsMembermco:MoodysAnalyticsMember2022-07-012022-09-300001059556mco:DataAndInformationMembermco:MoodysAnalyticsMembercountry:US2023-07-012023-09-300001059556us-gaap:NonUsMembermco:DataAndInformationMembermco:MoodysAnalyticsMember2023-07-012023-09-300001059556mco:DataAndInformationMembermco:MoodysAnalyticsMember2023-07-012023-09-300001059556mco:DataAndInformationMembermco:MoodysAnalyticsMembercountry:US2022-07-012022-09-300001059556us-gaap:NonUsMembermco:DataAndInformationMembermco:MoodysAnalyticsMember2022-07-012022-09-300001059556mco:DataAndInformationMembermco:MoodysAnalyticsMember2022-07-012022-09-300001059556mco:MoodysAnalyticsMembercountry:US2023-07-012023-09-300001059556us-gaap:NonUsMembermco:MoodysAnalyticsMember2023-07-012023-09-300001059556mco:MoodysAnalyticsMembercountry:US2022-07-012022-09-300001059556us-gaap:NonUsMembermco:MoodysAnalyticsMember2022-07-012022-09-300001059556mco:CorporateFinanceMembercountry:USmco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:NonUsMembermco:CorporateFinanceMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:CorporateFinanceMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:CorporateFinanceMembercountry:USmco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:NonUsMembermco:CorporateFinanceMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:CorporateFinanceMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:StructuredFinanceLineOfBusinessMembercountry:USmco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:NonUsMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:StructuredFinanceLineOfBusinessMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:StructuredFinanceLineOfBusinessMembercountry:USmco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:NonUsMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:StructuredFinanceLineOfBusinessMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:FinancialInstitutionsMembercountry:USmco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:NonUsMembermco:FinancialInstitutionsMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:FinancialInstitutionsMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:FinancialInstitutionsMembercountry:USmco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:NonUsMembermco:FinancialInstitutionsMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:FinancialInstitutionsMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:PublicProjectAndInfrastructureFinanceMembercountry:USmco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:NonUsMembermco:PublicProjectAndInfrastructureFinanceMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:PublicProjectAndInfrastructureFinanceMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:PublicProjectAndInfrastructureFinanceMembercountry:USmco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:NonUsMembermco:PublicProjectAndInfrastructureFinanceMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:PublicProjectAndInfrastructureFinanceMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:RatingRevenueMembercountry:USmco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:NonUsMembermco:RatingRevenueMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:RatingRevenueMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:RatingRevenueMembercountry:USmco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:NonUsMembermco:RatingRevenueMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:RatingRevenueMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:MISOtherMembercountry:USmco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:NonUsMembermco:MISOtherMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:MISOtherMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:MISOtherMembercountry:USmco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:NonUsMembermco:MISOtherMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:MISOtherMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556country:USmco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:NonUsMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556country:USmco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:NonUsMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556country:US2023-07-012023-09-300001059556us-gaap:NonUsMember2023-07-012023-09-300001059556country:US2022-07-012022-09-300001059556us-gaap:NonUsMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:MoodysAnalyticsMembercountry:US2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:DecisionSolutionsMembermco:MoodysAnalyticsMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:MoodysAnalyticsMembercountry:US2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:DecisionSolutionsMembermco:MoodysAnalyticsMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:ResearchAndInsightsMembermco:MoodysAnalyticsMembercountry:US2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:ResearchAndInsightsMembermco:MoodysAnalyticsMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:ResearchAndInsightsMembermco:MoodysAnalyticsMembercountry:US2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:ResearchAndInsightsMembermco:MoodysAnalyticsMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:DataAndInformationMembermco:MoodysAnalyticsMembercountry:US2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:DataAndInformationMembermco:MoodysAnalyticsMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:DataAndInformationMembermco:MoodysAnalyticsMembercountry:US2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:DataAndInformationMembermco:MoodysAnalyticsMember2022-01-012022-09-300001059556mco:MoodysAnalyticsMembercountry:US2023-01-012023-09-300001059556us-gaap:NonUsMembermco:MoodysAnalyticsMember2023-01-012023-09-300001059556mco:MoodysAnalyticsMembercountry:US2022-01-012022-09-300001059556us-gaap:NonUsMembermco:MoodysAnalyticsMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembercountry:USmco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:CorporateFinanceMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembercountry:USmco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:CorporateFinanceMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembercountry:USmco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembercountry:USmco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMembercountry:USmco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:FinancialInstitutionsMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMembercountry:USmco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:FinancialInstitutionsMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:PublicProjectAndInfrastructureFinanceMembercountry:USmco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:PublicProjectAndInfrastructureFinanceMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:PublicProjectAndInfrastructureFinanceMembercountry:USmco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:PublicProjectAndInfrastructureFinanceMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:RatingRevenueMembercountry:USmco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:RatingRevenueMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:RatingRevenueMembercountry:USmco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:RatingRevenueMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:MISOtherMembercountry:USmco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:MISOtherMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:MISOtherMembercountry:USmco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:MISOtherMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556country:USmco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:NonUsMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556country:USmco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:NonUsMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556country:US2023-01-012023-09-300001059556us-gaap:NonUsMember2023-01-012023-09-300001059556country:US2022-01-012022-09-300001059556us-gaap:NonUsMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:MoodysAnalyticsMembercountry:US2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:MoodysAnalyticsMembercountry:US2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:MoodysAnalyticsMembercountry:US2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:MoodysAnalyticsMembercountry:US2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:EMEAMembermco:MoodysAnalyticsMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:EMEAMembermco:MoodysAnalyticsMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:EMEAMembermco:MoodysAnalyticsMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:EMEAMembermco:MoodysAnalyticsMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembersrt:AsiaPacificMembermco:MoodysAnalyticsMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembersrt:AsiaPacificMembermco:MoodysAnalyticsMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembersrt:AsiaPacificMembermco:MoodysAnalyticsMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembersrt:AsiaPacificMembermco:MoodysAnalyticsMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembersrt:AmericasMembermco:MoodysAnalyticsMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembersrt:AmericasMembermco:MoodysAnalyticsMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembersrt:AmericasMembermco:MoodysAnalyticsMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembersrt:AmericasMembermco:MoodysAnalyticsMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:MoodysAnalyticsMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:MoodysAnalyticsMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:MoodysAnalyticsMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:MoodysAnalyticsMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembercountry:USmco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembercountry:USmco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembercountry:USmco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembercountry:USmco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:EMEAMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:EMEAMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:EMEAMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:EMEAMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembersrt:AsiaPacificMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembersrt:AsiaPacificMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembersrt:AsiaPacificMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembersrt:AsiaPacificMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembersrt:AmericasMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembersrt:AmericasMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembersrt:AmericasMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembersrt:AmericasMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:NonUsMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:MoodysAnalyticsMembermco:TransactionRevenueMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:MoodysAnalyticsMembermco:RecurringRevenueMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:MoodysAnalyticsMembermco:TransactionRevenueMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:MoodysAnalyticsMembermco:RecurringRevenueMember2022-07-012022-09-30xbrli:pure0001059556us-gaap:OperatingSegmentsMembermco:ResearchAndInsightsMembermco:MoodysAnalyticsMembermco:TransactionRevenueMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:ResearchAndInsightsMembermco:MoodysAnalyticsMembermco:RecurringRevenueMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:ResearchAndInsightsMembermco:MoodysAnalyticsMembermco:TransactionRevenueMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:ResearchAndInsightsMembermco:MoodysAnalyticsMembermco:RecurringRevenueMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:DataAndInformationMembermco:MoodysAnalyticsMembermco:TransactionRevenueMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:DataAndInformationMembermco:MoodysAnalyticsMembermco:RecurringRevenueMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:DataAndInformationMembermco:MoodysAnalyticsMembermco:TransactionRevenueMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:DataAndInformationMembermco:MoodysAnalyticsMembermco:RecurringRevenueMember2022-07-012022-09-300001059556mco:MoodysAnalyticsMembermco:TransactionRevenueMember2023-07-012023-09-300001059556mco:MoodysAnalyticsMembermco:RecurringRevenueMember2023-07-012023-09-300001059556mco:MoodysAnalyticsMembermco:TransactionRevenueMember2022-07-012022-09-300001059556mco:MoodysAnalyticsMembermco:RecurringRevenueMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:MoodysAnalyticsMembermco:TransactionRevenueMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:MoodysAnalyticsMembermco:RecurringRevenueMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:MoodysAnalyticsMembermco:TransactionRevenueMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:MoodysAnalyticsMembermco:RecurringRevenueMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:PublicProjectAndInfrastructureFinanceMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:PublicProjectAndInfrastructureFinanceMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:PublicProjectAndInfrastructureFinanceMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:PublicProjectAndInfrastructureFinanceMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:MISOtherMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:MISOtherMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:MISOtherMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:MISOtherMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556mco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556mco:TransactionRevenueMember2023-07-012023-09-300001059556mco:RecurringRevenueMember2023-07-012023-09-300001059556mco:TransactionRevenueMember2022-07-012022-09-300001059556mco:RecurringRevenueMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:MoodysAnalyticsMembermco:TransactionRevenueMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:MoodysAnalyticsMembermco:RecurringRevenueMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:MoodysAnalyticsMembermco:TransactionRevenueMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:DecisionSolutionsMembermco:MoodysAnalyticsMembermco:RecurringRevenueMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:ResearchAndInsightsMembermco:MoodysAnalyticsMembermco:TransactionRevenueMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:ResearchAndInsightsMembermco:MoodysAnalyticsMembermco:RecurringRevenueMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:ResearchAndInsightsMembermco:MoodysAnalyticsMembermco:TransactionRevenueMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:ResearchAndInsightsMembermco:MoodysAnalyticsMembermco:RecurringRevenueMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:DataAndInformationMembermco:MoodysAnalyticsMembermco:TransactionRevenueMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:DataAndInformationMembermco:MoodysAnalyticsMembermco:RecurringRevenueMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:DataAndInformationMembermco:MoodysAnalyticsMembermco:TransactionRevenueMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:DataAndInformationMembermco:MoodysAnalyticsMembermco:RecurringRevenueMember2022-01-012022-09-300001059556mco:MoodysAnalyticsMembermco:TransactionRevenueMember2023-01-012023-09-300001059556mco:MoodysAnalyticsMembermco:RecurringRevenueMember2023-01-012023-09-300001059556mco:MoodysAnalyticsMembermco:TransactionRevenueMember2022-01-012022-09-300001059556mco:MoodysAnalyticsMembermco:RecurringRevenueMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:MoodysAnalyticsMembermco:TransactionRevenueMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:MoodysAnalyticsMembermco:RecurringRevenueMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:MoodysAnalyticsMembermco:TransactionRevenueMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:MoodysAnalyticsMembermco:RecurringRevenueMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:CorporateFinanceMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556mco:StructuredFinanceLineOfBusinessMemberus-gaap:OperatingSegmentsMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:FinancialInstitutionsMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:PublicProjectAndInfrastructureFinanceMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:PublicProjectAndInfrastructureFinanceMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:PublicProjectAndInfrastructureFinanceMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:PublicProjectAndInfrastructureFinanceMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:MISOtherMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:MISOtherMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:MISOtherMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:MISOtherMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556mco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556mco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556mco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556mco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:TransactionRevenueMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:RecurringRevenueMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556mco:TransactionRevenueMember2023-01-012023-09-300001059556mco:RecurringRevenueMember2023-01-012023-09-300001059556mco:TransactionRevenueMember2022-01-012022-09-300001059556mco:RecurringRevenueMember2022-01-012022-09-300001059556mco:MoodysAnalyticsMemberus-gaap:TransferredAtPointInTimeMember2023-07-012023-09-300001059556us-gaap:TransferredAtPointInTimeMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:TransferredAtPointInTimeMember2023-07-012023-09-300001059556mco:MoodysAnalyticsMemberus-gaap:TransferredAtPointInTimeMember2023-01-012023-09-300001059556us-gaap:TransferredAtPointInTimeMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:TransferredAtPointInTimeMember2023-01-012023-09-300001059556us-gaap:TransferredOverTimeMembermco:MoodysAnalyticsMember2023-07-012023-09-300001059556us-gaap:TransferredOverTimeMembermco:MoodysInvestorsServiceMember2023-07-012023-09-300001059556us-gaap:TransferredOverTimeMember2023-07-012023-09-300001059556us-gaap:TransferredOverTimeMembermco:MoodysAnalyticsMember2023-01-012023-09-300001059556us-gaap:TransferredOverTimeMembermco:MoodysInvestorsServiceMember2023-01-012023-09-300001059556us-gaap:TransferredOverTimeMember2023-01-012023-09-300001059556us-gaap:OperatingSegmentsMembermco:MoodysAnalyticsMemberus-gaap:TransferredAtPointInTimeMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:TransferredAtPointInTimeMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:TransferredAtPointInTimeMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMembermco:MoodysAnalyticsMemberus-gaap:TransferredAtPointInTimeMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:TransferredAtPointInTimeMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:TransferredAtPointInTimeMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:TransferredOverTimeMembermco:MoodysAnalyticsMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:TransferredOverTimeMembermco:MoodysInvestorsServiceMember2022-07-012022-09-300001059556us-gaap:TransferredOverTimeMember2022-07-012022-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:TransferredOverTimeMembermco:MoodysAnalyticsMember2022-01-012022-09-300001059556us-gaap:OperatingSegmentsMemberus-gaap:TransferredOverTimeMembermco:MoodysInvestorsServiceMember2022-01-012022-09-300001059556us-gaap:TransferredOverTimeMember2022-01-012022-09-300001059556us-gaap:AccountsReceivableMembermco:MoodysAnalyticsMember2023-09-300001059556us-gaap:AccountsReceivableMembermco:MoodysInvestorsServiceMember2023-09-300001059556us-gaap:AccountsReceivableMembermco:MoodysAnalyticsMember2022-12-310001059556us-gaap:AccountsReceivableMembermco:MoodysInvestorsServiceMember2022-12-310001059556mco:MoodysAnalyticsMember2023-06-300001059556mco:MoodysInvestorsServiceMember2023-06-300001059556mco:MoodysAnalyticsMember2022-06-300001059556mco:MoodysInvestorsServiceMember2022-06-300001059556mco:MoodysAnalyticsMember2023-09-300001059556mco:MoodysInvestorsServiceMember2023-09-300001059556mco:MoodysAnalyticsMember2022-09-300001059556mco:MoodysInvestorsServiceMember2022-09-300001059556mco:MoodysAnalyticsMember2022-12-310001059556mco:MoodysInvestorsServiceMember2022-12-310001059556mco:MoodysAnalyticsMember2021-12-310001059556mco:MoodysInvestorsServiceMember2021-12-3100010595562023-10-01mco:MoodysAnalyticsMember2023-09-3000010595562024-01-01mco:MoodysAnalyticsMember2023-09-3000010595562024-01-01srt:MinimumMembermco:MoodysAnalyticsMember2023-09-3000010595562024-01-01mco:MoodysAnalyticsMembersrt:MaximumMember2023-09-3000010595562023-10-01mco:MoodysInvestorsServiceMember2023-09-3000010595562024-01-01mco:MoodysInvestorsServiceMember2023-09-3000010595562024-01-01srt:MinimumMembermco:MoodysInvestorsServiceMember2023-09-3000010595562024-01-01srt:MaximumMembermco:MoodysInvestorsServiceMember2023-09-300001059556mco:A2001PlanMember2023-04-012023-04-300001059556mco:A2001PlanMember2023-09-300001059556mco:InstrumentsOtherThanOptionsMembermco:A2001PlanMember2023-09-300001059556us-gaap:RestrictedStockMember2023-01-012023-09-300001059556us-gaap:EmployeeStockOptionMember2023-01-012023-09-300001059556mco:PerformanceBasedRestrictedStockMember2023-01-012023-09-300001059556us-gaap:StockCompensationPlanMember2023-01-012023-09-300001059556us-gaap:EmployeeStockOptionMember2023-09-300001059556us-gaap:RestrictedStockMember2023-09-300001059556mco:PerformanceBasedRestrictedStockMember2023-09-300001059556us-gaap:RestrictedStockMember2022-01-012022-09-300001059556mco:PerformanceBasedRestrictedStockMember2022-01-012022-09-300001059556mco:AcceleratedShareRepurchaseIntialDateMember2022-03-010001059556mco:AcceleratedShareRepurchaseIntialDateMembermco:AcceleratedShareRepurchasesMember2022-03-012022-03-010001059556mco:AcceleratedShareRepurchaseFinalSettlementDateMembermco:AcceleratedShareRepurchasesMember2022-04-012022-04-300001059556mco:AcceleratedShareRepurchasesMember2022-03-012022-04-3000010595562022-03-012022-04-300001059556us-gaap:CertificatesOfDepositMember2023-09-300001059556us-gaap:CertificatesOfDepositMember2023-01-012023-09-300001059556us-gaap:MutualFundMember2023-09-300001059556us-gaap:MutualFundMember2023-01-012023-09-300001059556us-gaap:CertificatesOfDepositMember2022-12-310001059556us-gaap:CertificatesOfDepositMember2022-01-012022-12-310001059556us-gaap:MutualFundMember2022-12-310001059556us-gaap:MutualFundMember2022-01-012022-12-310001059556us-gaap:CertificatesOfDepositMembersrt:MinimumMemberus-gaap:ShortTermInvestmentsMember2023-09-300001059556us-gaap:CertificatesOfDepositMemberus-gaap:ShortTermInvestmentsMembersrt:MaximumMember2022-12-310001059556us-gaap:CertificatesOfDepositMembersrt:MinimumMemberus-gaap:OtherAssetsMember2023-09-300001059556us-gaap:CertificatesOfDepositMemberus-gaap:OtherAssetsMembersrt:MaximumMember2023-09-300001059556us-gaap:CertificatesOfDepositMembersrt:MinimumMemberus-gaap:OtherAssetsMember2022-12-310001059556us-gaap:CertificatesOfDepositMemberus-gaap:OtherAssetsMembersrt:MaximumMember2022-12-310001059556us-gaap:CashAndCashEquivalentsMemberus-gaap:CertificatesOfDepositMembersrt:MaximumMember2023-09-300001059556us-gaap:InterestRateSwapMembermco:TwoThousandSeventeenSeniorNoteDueTwoThousandTwentyEightMemberus-gaap:FairValueHedgingMember2023-09-300001059556us-gaap:InterestRateSwapMembermco:TwoThousandSeventeenSeniorNoteDueTwoThousandTwentyEightMemberus-gaap:FairValueHedgingMember2023-01-012023-09-300001059556us-gaap:InterestRateSwapMembermco:TwoThousandSeventeenSeniorNoteDueTwoThousandTwentyEightMemberus-gaap:FairValueHedgingMember2022-12-310001059556us-gaap:InterestRateSwapMembermco:TwoThousandSeventeenSeniorNoteDueTwoThousandTwentyEightMemberus-gaap:FairValueHedgingMember2022-01-012022-12-310001059556us-gaap:InterestRateSwapMemberus-gaap:FairValueHedgingMembermco:TwoThousandAndTwentySeniorNoteDueTwoThousandAndTwentyFiveMember2023-09-300001059556us-gaap:InterestRateSwapMemberus-gaap:FairValueHedgingMembermco:TwoThousandAndTwentySeniorNoteDueTwoThousandAndTwentyFiveMember2023-01-012023-09-300001059556us-gaap:InterestRateSwapMemberus-gaap:FairValueHedgingMembermco:TwoThousandAndTwentySeniorNoteDueTwoThousandAndTwentyFiveMember2022-12-310001059556us-gaap:InterestRateSwapMemberus-gaap:FairValueHedgingMembermco:TwoThousandAndTwentySeniorNoteDueTwoThousandAndTwentyFiveMember2022-01-012022-12-310001059556us-gaap:InterestRateSwapMembermco:TwoThousandAndFourteenSeniorNotesDueTwoThousandAndFortyFourMemberus-gaap:FairValueHedgingMember2023-09-300001059556us-gaap:InterestRateSwapMembermco:TwoThousandAndFourteenSeniorNotesDueTwoThousandAndFortyFourMemberus-gaap:FairValueHedgingMember2023-01-012023-09-300001059556us-gaap:InterestRateSwapMembermco:TwoThousandAndFourteenSeniorNotesDueTwoThousandAndFortyFourMemberus-gaap:FairValueHedgingMember2022-12-310001059556us-gaap:InterestRateSwapMembermco:TwoThousandAndFourteenSeniorNotesDueTwoThousandAndFortyFourMemberus-gaap:FairValueHedgingMember2022-01-012022-12-310001059556us-gaap:InterestRateSwapMembermco:TwoThousandAndEighteenSeniorNotesDueTwoThousandAndFortyEightMemberus-gaap:FairValueHedgingMember2023-09-300001059556us-gaap:InterestRateSwapMembermco:TwoThousandAndEighteenSeniorNotesDueTwoThousandAndFortyEightMemberus-gaap:FairValueHedgingMember2023-01-012023-09-300001059556us-gaap:InterestRateSwapMembermco:TwoThousandAndEighteenSeniorNotesDueTwoThousandAndFortyEightMemberus-gaap:FairValueHedgingMember2022-12-310001059556us-gaap:InterestRateSwapMembermco:TwoThousandAndEighteenSeniorNotesDueTwoThousandAndFortyEightMemberus-gaap:FairValueHedgingMember2022-01-012022-12-310001059556us-gaap:InterestRateSwapMembermco:TwoThousandAndEighteenSeniorNotesDueTwoThousandAndTwentyNineMemberus-gaap:FairValueHedgingMember2023-09-300001059556us-gaap:InterestRateSwapMembermco:TwoThousandAndEighteenSeniorNotesDueTwoThousandAndTwentyNineMemberus-gaap:FairValueHedgingMember2023-01-012023-09-300001059556us-gaap:InterestRateSwapMembermco:TwoThousandAndEighteenSeniorNotesDueTwoThousandAndTwentyNineMemberus-gaap:FairValueHedgingMember2022-12-310001059556us-gaap:InterestRateSwapMembermco:TwoThousandAndEighteenSeniorNotesDueTwoThousandAndTwentyNineMemberus-gaap:FairValueHedgingMember2022-01-012022-12-310001059556us-gaap:InterestRateSwapMembermco:TwoThousandAndTwentyTwoSeniorNotesDueTwoThousandAndFiftyTwoMemberus-gaap:FairValueHedgingMember2023-09-300001059556us-gaap:InterestRateSwapMembermco:TwoThousandAndTwentyTwoSeniorNotesDueTwoThousandAndFiftyTwoMemberus-gaap:FairValueHedgingMember2023-01-012023-09-300001059556us-gaap:InterestRateSwapMembermco:TwoThousandAndTwentyTwoSeniorNotesDueTwoThousandAndFiftyTwoMemberus-gaap:FairValueHedgingMember2022-12-310001059556us-gaap:InterestRateSwapMembermco:TwoThousandAndTwentyTwoSeniorNotesDueTwoThousandAndFiftyTwoMemberus-gaap:FairValueHedgingMember2022-01-012022-12-310001059556us-gaap:InterestRateSwapMemberus-gaap:FairValueHedgingMembermco:TwoThousandAndTwentyTwoDueTwoThousandAndThirtyTwoMember2023-09-300001059556us-gaap:InterestRateSwapMemberus-gaap:FairValueHedgingMembermco:TwoThousandAndTwentyTwoDueTwoThousandAndThirtyTwoMember2023-01-012023-09-300001059556us-gaap:InterestRateSwapMemberus-gaap:FairValueHedgingMembermco:TwoThousandAndTwentyTwoDueTwoThousandAndThirtyTwoMember2022-12-310001059556us-gaap:InterestRateSwapMemberus-gaap:FairValueHedgingMembermco:TwoThousandAndTwentyTwoDueTwoThousandAndThirtyTwoMember2022-01-012022-12-310001059556us-gaap:InterestRateSwapMemberus-gaap:FairValueHedgingMember2023-09-300001059556us-gaap:InterestRateSwapMemberus-gaap:FairValueHedgingMember2022-12-310001059556us-gaap:InterestRateSwapMembermco:FairValueHedgeNetInterestSettlementsAndAccrualsMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-07-012023-09-300001059556us-gaap:InterestRateSwapMembermco:FairValueHedgeNetInterestSettlementsAndAccrualsMemberus-gaap:DesignatedAsHedgingInstrumentMember2022-07-012022-09-300001059556us-gaap:InterestRateSwapMembermco:FairValueHedgeNetInterestSettlementsAndAccrualsMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-01-012023-09-300001059556us-gaap:InterestRateSwapMembermco:FairValueHedgeNetInterestSettlementsAndAccrualsMemberus-gaap:DesignatedAsHedgingInstrumentMember2022-01-012022-09-300001059556us-gaap:InterestRateSwapMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:InterestExpenseMember2023-07-012023-09-300001059556us-gaap:InterestRateSwapMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:InterestExpenseMember2022-07-012022-09-300001059556us-gaap:InterestRateSwapMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:InterestExpenseMember2023-01-012023-09-300001059556us-gaap:InterestRateSwapMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:InterestExpenseMember2022-01-012022-09-300001059556us-gaap:NetInvestmentHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:CurrencySwapMembermco:TwoThousandAndFifteenSeniorNotesDueTwoThousandAndTwentySevenMember2023-09-30iso4217:EUR0001059556us-gaap:NetInvestmentHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMembermco:TwoThousandNineteenSeniorNoteDueTwoThousandThirtyMemberus-gaap:CurrencySwapMember2023-09-300001059556us-gaap:NetInvestmentHedgingMembermco:CurrencyPaidMemberus-gaap:CurrencySwapMembermco:FixedPayWeightedAverageInterestRateMember2023-09-300001059556mco:CurrencyReceivedMemberus-gaap:NetInvestmentHedgingMemberus-gaap:CurrencySwapMembermco:FixedReceivedWeightedAverageInterestRateMember2023-09-300001059556mco:EuroShortTermRateMemberus-gaap:NetInvestmentHedgingMembermco:CurrencyPaidMemberus-gaap:CurrencySwapMember2023-09-300001059556mco:EuroShortTermRateMemberus-gaap:NetInvestmentHedgingMembermco:CurrencyPaidMemberus-gaap:CurrencySwapMember2023-01-012023-09-300001059556mco:CurrencyReceivedMemberus-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberus-gaap:NetInvestmentHedgingMemberus-gaap:CurrencySwapMember2023-09-300001059556mco:CurrencyReceivedMemberus-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberus-gaap:NetInvestmentHedgingMemberus-gaap:CurrencySwapMember2023-01-012023-09-300001059556us-gaap:NetInvestmentHedgingMembermco:CurrencyPaidMemberus-gaap:CurrencySwapMember2023-09-300001059556mco:CurrencyReceivedMemberus-gaap:NetInvestmentHedgingMemberus-gaap:CurrencySwapMember2023-09-300001059556us-gaap:NetInvestmentHedgingMembermco:CurrencyPaidMemberus-gaap:CurrencySwapMembermco:FixedPayWeightedAverageInterestRateMember2022-12-310001059556mco:CurrencyReceivedMemberus-gaap:NetInvestmentHedgingMemberus-gaap:CurrencySwapMembermco:FixedReceivedWeightedAverageInterestRateMember2022-12-310001059556us-gaap:NetInvestmentHedgingMembermco:ThreeMonthsEuriborMembermco:CurrencyPaidMemberus-gaap:CurrencySwapMember2022-12-310001059556us-gaap:NetInvestmentHedgingMembermco:ThreeMonthsEuriborMembermco:CurrencyPaidMemberus-gaap:CurrencySwapMember2022-01-012022-12-310001059556mco:CurrencyReceivedMembermco:ThreeMonthsUsLiborMemberus-gaap:NetInvestmentHedgingMemberus-gaap:CurrencySwapMember2022-12-310001059556mco:CurrencyReceivedMembermco:ThreeMonthsUsLiborMemberus-gaap:NetInvestmentHedgingMemberus-gaap:CurrencySwapMember2022-01-012022-12-310001059556mco:EuroShortTermRateMemberus-gaap:NetInvestmentHedgingMembermco:CurrencyPaidMemberus-gaap:CurrencySwapMember2022-12-310001059556mco:EuroShortTermRateMemberus-gaap:NetInvestmentHedgingMembermco:CurrencyPaidMemberus-gaap:CurrencySwapMember2022-01-012022-12-310001059556mco:CurrencyReceivedMemberus-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberus-gaap:NetInvestmentHedgingMemberus-gaap:CurrencySwapMember2022-12-310001059556mco:CurrencyReceivedMemberus-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberus-gaap:NetInvestmentHedgingMemberus-gaap:CurrencySwapMember2022-01-012022-12-310001059556us-gaap:NetInvestmentHedgingMembermco:CurrencyPaidMemberus-gaap:CurrencySwapMember2022-12-310001059556mco:CurrencyReceivedMemberus-gaap:NetInvestmentHedgingMemberus-gaap:CurrencySwapMember2022-12-310001059556us-gaap:DesignatedAsHedgingInstrumentMembermco:NetInvestmentHedgingSettlementYear2026Memberus-gaap:CurrencySwapMember2023-09-300001059556mco:NetInvestmentHedgingSettlementYear2027Memberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:CurrencySwapMember2023-09-300001059556mco:NetInvestmentHedgingSettlementYear2028Memberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:CurrencySwapMember2023-09-300001059556mco:NetInvestmentHedgingSettlementYear2029Memberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:CurrencySwapMember2023-09-300001059556us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:CurrencySwapMembermco:NetInvestmentHedgingSettlementYear2031Member2023-09-300001059556us-gaap:DesignatedAsHedgingInstrumentMembermco:NetInvestmentHedgingSettlementYear2032Memberus-gaap:CurrencySwapMember2023-09-300001059556us-gaap:NetInvestmentHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:CurrencySwapMember2023-09-300001059556us-gaap:NetInvestmentHedgingMemberus-gaap:CurrencySwapMember2023-07-012023-09-300001059556us-gaap:NetInvestmentHedgingMemberus-gaap:CurrencySwapMember2022-07-012022-09-300001059556us-gaap:NetInvestmentHedgingMemberus-gaap:LongTermDebtMember2023-07-012023-09-300001059556us-gaap:NetInvestmentHedgingMemberus-gaap:LongTermDebtMember2022-07-012022-09-300001059556us-gaap:NetInvestmentHedgingMember2023-07-012023-09-300001059556us-gaap:NetInvestmentHedgingMember2022-07-012022-09-300001059556us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMember2023-07-012023-09-300001059556us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMember2022-07-012022-09-300001059556us-gaap:CashFlowHedgingMember2023-07-012023-09-300001059556us-gaap:CashFlowHedgingMember2022-07-012022-09-300001059556us-gaap:NetInvestmentHedgingMemberus-gaap:CurrencySwapMember2023-01-012023-09-300001059556us-gaap:NetInvestmentHedgingMemberus-gaap:CurrencySwapMember2022-01-012022-09-300001059556us-gaap:NetInvestmentHedgingMemberus-gaap:LongTermDebtMember2023-01-012023-09-300001059556us-gaap:NetInvestmentHedgingMemberus-gaap:LongTermDebtMember2022-01-012022-09-300001059556us-gaap:NetInvestmentHedgingMember2023-01-012023-09-300001059556us-gaap:NetInvestmentHedgingMember2022-01-012022-09-300001059556us-gaap:CurrencySwapMemberus-gaap:CashFlowHedgingMember2023-01-012023-09-300001059556us-gaap:CurrencySwapMemberus-gaap:CashFlowHedgingMember2022-01-012022-09-300001059556us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMember2023-01-012023-09-300001059556us-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMember2022-01-012022-09-300001059556us-gaap:CashFlowHedgingMember2023-01-012023-09-300001059556us-gaap:CashFlowHedgingMember2022-01-012022-09-300001059556us-gaap:NetInvestmentHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:CurrencySwapMember2022-12-310001059556us-gaap:NetInvestmentHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:ForeignExchangeForwardMember2023-09-300001059556us-gaap:NetInvestmentHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:ForeignExchangeForwardMember2022-12-310001059556us-gaap:NetInvestmentHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:LongTermDebtMember2023-09-300001059556us-gaap:NetInvestmentHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:LongTermDebtMember2022-12-310001059556us-gaap:NetInvestmentHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-09-300001059556us-gaap:NetInvestmentHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMember2022-12-310001059556us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMember2023-09-300001059556us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:InterestRateContractMemberus-gaap:CashFlowHedgingMember2022-12-310001059556us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:CurrencySwapMemberus-gaap:CashFlowHedgingMember2023-09-300001059556us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:CurrencySwapMemberus-gaap:CashFlowHedgingMember2022-12-310001059556us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:CashFlowHedgingMember2023-09-300001059556us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:CashFlowHedgingMember2022-12-310001059556us-gaap:DesignatedAsHedgingInstrumentMember2023-09-300001059556us-gaap:DesignatedAsHedgingInstrumentMember2022-12-310001059556mco:ForeignCurrencyForwardContractsToSellUsDollarsForGbpMemberus-gaap:NondesignatedMember2023-09-30iso4217:GBP0001059556mco:ForeignCurrencyForwardContractsToSellUsDollarsForGbpMemberus-gaap:NondesignatedMember2022-12-310001059556mco:ForeignCurrencyForwardContractsToSellUsdForJapaneseYenMemberus-gaap:NondesignatedMember2023-09-30iso4217:JPY0001059556mco:ForeignCurrencyForwardContractsToSellUsdForJapaneseYenMemberus-gaap:NondesignatedMember2022-12-310001059556us-gaap:NondesignatedMembermco:ForeignCurrencyForwardContractsToSellUsDollarsForCanadianDollarsMember2023-09-30iso4217:CAD0001059556us-gaap:NondesignatedMembermco:ForeignCurrencyForwardContractsToSellUsDollarsForCanadianDollarsMember2022-12-310001059556mco:ForeignCurrencyForwardContractsToSellUSDollarsForSingaporeDollarsMemberus-gaap:NondesignatedMember2023-09-30iso4217:SGD0001059556mco:ForeignCurrencyForwardContractsToSellUSDollarsForSingaporeDollarsMemberus-gaap:NondesignatedMember2022-12-310001059556mco:ForeignCurrencyForwardContractsToSellUsDollarsForEurosMemberus-gaap:NondesignatedMember2023-09-300001059556mco:ForeignCurrencyForwardContractsToSellUsDollarsForEurosMemberus-gaap:NondesignatedMember2022-12-310001059556mco:ForeignCurrencyForwardContractsToSellUSDollarsForIndianRupeesMemberus-gaap:NondesignatedMember2023-09-30iso4217:INR0001059556mco:ForeignCurrencyForwardContractsToSellUSDollarsForIndianRupeesMemberus-gaap:NondesignatedMember2022-12-310001059556mco:ForeignCurrencyForwardContractsToSellEurosForUSDollarsMemberus-gaap:NondesignatedMember2023-09-300001059556mco:ForeignCurrencyForwardContractsToSellEurosForUSDollarsMemberus-gaap:NondesignatedMember2022-12-310001059556us-gaap:NondesignatedMembermco:ForeignCurrencyForwardContractsToSellAustralianDollarsForUSDollarsMember2023-09-30iso4217:AUD0001059556us-gaap:NondesignatedMembermco:ForeignCurrencyForwardContractsToSellAustralianDollarsForUSDollarsMember2022-12-310001059556us-gaap:NondesignatedMemberus-gaap:TotalReturnSwapMember2023-09-300001059556us-gaap:ForeignExchangeForwardMemberus-gaap:NondesignatedMemberus-gaap:OtherNonoperatingIncomeExpenseMember2023-07-012023-09-300001059556us-gaap:ForeignExchangeForwardMemberus-gaap:NondesignatedMemberus-gaap:OtherNonoperatingIncomeExpenseMember2022-07-012022-09-300001059556us-gaap:ForeignExchangeForwardMemberus-gaap:NondesignatedMemberus-gaap:OtherNonoperatingIncomeExpenseMember2023-01-012023-09-300001059556us-gaap:ForeignExchangeForwardMemberus-gaap:NondesignatedMemberus-gaap:OtherNonoperatingIncomeExpenseMember2022-01-012022-09-300001059556us-gaap:NetInvestmentHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:CurrencySwapMemberus-gaap:OtherNoncurrentAssetsMember2023-09-300001059556us-gaap:NetInvestmentHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:CurrencySwapMemberus-gaap:OtherNoncurrentAssetsMember2022-12-310001059556us-gaap:OtherCurrentAssetsMemberus-gaap:ForeignExchangeForwardMemberus-gaap:NondesignatedMember2023-09-300001059556us-gaap:OtherCurrentAssetsMemberus-gaap:ForeignExchangeForwardMemberus-gaap:NondesignatedMember2022-12-310001059556us-gaap:NetInvestmentHedgingMemberus-gaap:OtherNoncurrentLiabilitiesMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:CurrencySwapMember2023-09-300001059556us-gaap:NetInvestmentHedgingMemberus-gaap:OtherNoncurrentLiabilitiesMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:CurrencySwapMember2022-12-310001059556us-gaap:InterestRateSwapMemberus-gaap:OtherNoncurrentLiabilitiesMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:FairValueHedgingMember2023-09-300001059556us-gaap:InterestRateSwapMemberus-gaap:OtherNoncurrentLiabilitiesMemberus-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:FairValueHedgingMember2022-12-310001059556us-gaap:LongTermDebtMemberus-gaap:NetInvestmentHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMember2023-09-300001059556us-gaap:LongTermDebtMemberus-gaap:NetInvestmentHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMember2022-12-310001059556us-gaap:AccountsPayableAndAccruedLiabilitiesMemberus-gaap:ForeignExchangeForwardMemberus-gaap:NondesignatedMember2023-09-300001059556us-gaap:AccountsPayableAndAccruedLiabilitiesMemberus-gaap:ForeignExchangeForwardMemberus-gaap:NondesignatedMember2022-12-310001059556mco:MoodysAnalyticsMember2022-01-012022-12-310001059556mco:MoodysInvestorsServiceMember2022-01-012022-12-3100010595562022-01-012022-12-310001059556us-gaap:CustomerRelationshipsMember2023-09-300001059556us-gaap:CustomerRelationshipsMember2022-12-310001059556us-gaap:ComputerSoftwareIntangibleAssetMember2023-09-300001059556us-gaap:ComputerSoftwareIntangibleAssetMember2022-12-310001059556us-gaap:DatabasesMember2023-09-300001059556us-gaap:DatabasesMember2022-12-310001059556us-gaap:TradeNamesMember2023-09-300001059556us-gaap:TradeNamesMember2022-12-310001059556us-gaap:OtherIntangibleAssetsMember2023-09-300001059556us-gaap:OtherIntangibleAssetsMember2022-12-310001059556mco:A20222023GeolocationRestructuringProgramMembersrt:MinimumMembermco:EstimatedAnnualSavingsMember2023-01-012023-09-300001059556mco:A20222023GeolocationRestructuringProgramMembermco:EstimatedAnnualSavingsMembersrt:MaximumMember2023-01-012023-09-300001059556mco:A20222023GeolocationRestructuringProgramMembersrt:MinimumMemberus-gaap:ContractTerminationMember2023-09-300001059556mco:A20222023GeolocationRestructuringProgramMembersrt:MaximumMemberus-gaap:ContractTerminationMember2023-09-300001059556mco:A20222023GeolocationRestructuringProgramMemberus-gaap:EmployeeSeveranceMembersrt:MinimumMember2023-09-300001059556mco:A20222023GeolocationRestructuringProgramMemberus-gaap:EmployeeSeveranceMembersrt:MaximumMember2023-09-300001059556mco:A20222023GeolocationRestructuringProgramMembersrt:MinimumMembersrt:ScenarioForecastMember2022-10-012024-12-310001059556mco:A20222023GeolocationRestructuringProgramMembersrt:MaximumMembersrt:ScenarioForecastMember2022-10-012024-12-310001059556mco:A20222023GeolocationRestructuringProgramMemberus-gaap:EmployeeSeveranceMember2023-07-012023-09-300001059556mco:A20222023GeolocationRestructuringProgramMemberus-gaap:RealEstateMember2023-07-012023-09-300001059556mco:A20222023GeolocationRestructuringProgramMember2023-07-012023-09-300001059556mco:A20222023GeolocationRestructuringProgramMemberus-gaap:EmployeeSeveranceMember2022-07-012022-09-300001059556mco:A20222023GeolocationRestructuringProgramMemberus-gaap:RealEstateMember2022-07-012022-09-300001059556mco:A20222023GeolocationRestructuringProgramMember2022-07-012022-09-300001059556us-gaap:EmployeeSeveranceMember2023-07-012023-09-300001059556us-gaap:RealEstateMember2023-07-012023-09-300001059556us-gaap:EmployeeSeveranceMember2022-07-012022-09-300001059556us-gaap:RealEstateMember2022-07-012022-09-300001059556us-gaap:EmployeeSeveranceMembermco:A2020MAStrategicReorganizationRestructuringProgramMember2023-01-012023-09-300001059556us-gaap:RealEstateMembermco:A2020MAStrategicReorganizationRestructuringProgramMember2023-01-012023-09-300001059556mco:A2020MAStrategicReorganizationRestructuringProgramMember2023-01-012023-09-300001059556us-gaap:EmployeeSeveranceMembermco:A2020MAStrategicReorganizationRestructuringProgramMember2022-01-012022-09-300001059556us-gaap:RealEstateMembermco:A2020MAStrategicReorganizationRestructuringProgramMember2022-01-012022-09-300001059556mco:A2020MAStrategicReorganizationRestructuringProgramMember2022-01-012022-09-300001059556mco:A20222023GeolocationRestructuringProgramMemberus-gaap:EmployeeSeveranceMember2023-01-012023-09-300001059556mco:A20222023GeolocationRestructuringProgramMemberus-gaap:RealEstateMember2023-01-012023-09-300001059556mco:A20222023GeolocationRestructuringProgramMember2023-01-012023-09-300001059556mco:A20222023GeolocationRestructuringProgramMemberus-gaap:EmployeeSeveranceMember2022-01-012022-09-300001059556mco:A20222023GeolocationRestructuringProgramMemberus-gaap:RealEstateMember2022-01-012022-09-300001059556mco:A20222023GeolocationRestructuringProgramMember2022-01-012022-09-300001059556us-gaap:EmployeeSeveranceMember2023-01-012023-09-300001059556us-gaap:RealEstateMember2023-01-012023-09-300001059556us-gaap:EmployeeSeveranceMember2022-01-012022-09-300001059556us-gaap:RealEstateMember2022-01-012022-09-300001059556us-gaap:RealEstateMember2023-09-300001059556mco:A20222023GeolocationRestructuringProgramMemberus-gaap:EmployeeSeveranceMember2023-09-300001059556mco:A20222023GeolocationRestructuringProgramMemberus-gaap:RealEstateMember2023-09-300001059556mco:A20222023GeolocationRestructuringProgramMemberus-gaap:OtherRestructuringMember2023-09-300001059556mco:A20222023GeolocationRestructuringProgramMember2023-09-300001059556us-gaap:DerivativeMember2023-09-300001059556us-gaap:FairValueInputsLevel1Memberus-gaap:DerivativeMember2023-09-300001059556us-gaap:FairValueInputsLevel2Memberus-gaap:DerivativeMember2023-09-300001059556mco:MutualFundsAndMoneyMarketFundsMember2023-09-300001059556us-gaap:FairValueInputsLevel1Membermco:MutualFundsAndMoneyMarketFundsMember2023-09-300001059556us-gaap:FairValueInputsLevel2Membermco:MutualFundsAndMoneyMarketFundsMember2023-09-300001059556us-gaap:FairValueInputsLevel1Member2023-09-300001059556us-gaap:FairValueInputsLevel2Member2023-09-300001059556us-gaap:DerivativeMember2022-12-310001059556us-gaap:FairValueInputsLevel1Memberus-gaap:DerivativeMember2022-12-310001059556us-gaap:FairValueInputsLevel2Memberus-gaap:DerivativeMember2022-12-310001059556us-gaap:MutualFundMember2022-12-310001059556us-gaap:MutualFundMemberus-gaap:FairValueInputsLevel1Member2022-12-310001059556us-gaap:MutualFundMemberus-gaap:FairValueInputsLevel2Member2022-12-310001059556us-gaap:FairValueInputsLevel1Member2022-12-310001059556us-gaap:FairValueInputsLevel2Member2022-12-310001059556us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:InterestRateContractMember2023-07-012023-09-300001059556us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:InterestRateContractMember2022-07-012022-09-300001059556us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2023-07-012023-09-300001059556us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2022-07-012022-09-300001059556us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMembermco:AccumulatedDefinedBenefitPlansAdjustmentNetGainLossAndPriorServiceCostsPortionAttributableToParentMember2023-07-012023-09-300001059556us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMembermco:AccumulatedDefinedBenefitPlansAdjustmentNetGainLossAndPriorServiceCostsPortionAttributableToParentMember2022-07-012022-09-300001059556us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2023-07-012023-09-300001059556us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2022-07-012022-09-300001059556us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2023-07-012023-09-300001059556us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2022-07-012022-09-300001059556us-gaap:AccumulatedTranslationAdjustmentMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2023-01-012023-09-300001059556us-gaap:AccumulatedTranslationAdjustmentMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2022-01-012022-09-300001059556us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:InterestRateContractMember2023-01-012023-09-300001059556us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:InterestRateContractMember2022-01-012022-09-300001059556us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2023-01-012023-09-300001059556us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2022-01-012022-09-300001059556us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMembermco:AccumulatedDefinedBenefitPlansAdjustmentNetGainLossAndPriorServiceCostsPortionAttributableToParentMember2023-01-012023-09-300001059556us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMembermco:AccumulatedDefinedBenefitPlansAdjustmentNetGainLossAndPriorServiceCostsPortionAttributableToParentMember2022-01-012022-09-300001059556us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2023-01-012023-09-300001059556us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMemberus-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2022-01-012022-09-300001059556us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2023-01-012023-09-300001059556us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2022-01-012022-09-300001059556us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2023-06-300001059556us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2023-06-300001059556us-gaap:AccumulatedTranslationAdjustmentMember2023-06-300001059556mco:AccumulatedNetInvestmentHedgesGainLossAttributabletoParentMember2023-06-300001059556us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2022-06-300001059556us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2022-06-300001059556us-gaap:AccumulatedTranslationAdjustmentMember2022-06-300001059556mco:AccumulatedNetInvestmentHedgesGainLossAttributabletoParentMember2022-06-300001059556us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2023-07-012023-09-300001059556us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2023-07-012023-09-300001059556us-gaap:AccumulatedTranslationAdjustmentMember2023-07-012023-09-300001059556mco:AccumulatedNetInvestmentHedgesGainLossAttributabletoParentMember2023-07-012023-09-300001059556us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2022-07-012022-09-300001059556us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2022-07-012022-09-300001059556us-gaap:AccumulatedTranslationAdjustmentMember2022-07-012022-09-300001059556mco:AccumulatedNetInvestmentHedgesGainLossAttributabletoParentMember2022-07-012022-09-300001059556us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2023-09-300001059556us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2023-09-300001059556us-gaap:AccumulatedTranslationAdjustmentMember2023-09-300001059556mco:AccumulatedNetInvestmentHedgesGainLossAttributabletoParentMember2023-09-300001059556us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2022-09-300001059556us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2022-09-300001059556us-gaap:AccumulatedTranslationAdjustmentMember2022-09-300001059556mco:AccumulatedNetInvestmentHedgesGainLossAttributabletoParentMember2022-09-300001059556us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2022-12-310001059556us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2022-12-310001059556us-gaap:AccumulatedTranslationAdjustmentMember2022-12-310001059556mco:AccumulatedNetInvestmentHedgesGainLossAttributabletoParentMember2022-12-310001059556us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2021-12-310001059556us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2021-12-310001059556us-gaap:AccumulatedTranslationAdjustmentMember2021-12-310001059556mco:AccumulatedNetInvestmentHedgesGainLossAttributabletoParentMember2021-12-310001059556us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2023-01-012023-09-300001059556us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2023-01-012023-09-300001059556us-gaap:AccumulatedTranslationAdjustmentMember2023-01-012023-09-300001059556mco:AccumulatedNetInvestmentHedgesGainLossAttributabletoParentMember2023-01-012023-09-300001059556us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2022-01-012022-09-300001059556us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2022-01-012022-09-300001059556us-gaap:AccumulatedTranslationAdjustmentMember2022-01-012022-09-300001059556mco:AccumulatedNetInvestmentHedgesGainLossAttributabletoParentMember2022-01-012022-09-300001059556mco:TwoThousandFourteenSeniorNotesThirtyYearMember2023-09-300001059556mco:TwoThousandAndFifteenSeniorNotesDueTwoThousandAndTwentySevenMember2023-09-300001059556mco:TwoThousandSeventeenSeniorNoteDueTwoThousandTwentyEightMember2023-09-300001059556mco:TwoThousandEighteenSeniorNoteDueTwoThousandTwentyNineMember2023-09-300001059556mco:TwoThousandEighteenSeniorNoteDueTwoThousandFourtyEightMember2023-09-300001059556mco:A950SeniorNotesDueTwoThousandAndThirtyMember2023-09-300001059556mco:TwoThousandAndTwentySeniorNoteDueTwoThousandAndTwentyFiveMember2023-09-300001059556mco:TwoThousandAndTwentySeniorNoteDueTwoThousandAndFiftyMember2023-09-300001059556mco:TwoThousandAndTwentySeniorNoteDueTwoThousandAndSixtyMember2023-09-300001059556mco:TwoThousandAndTwentyOneSeniorNoteDueTwoThousandAndThirtyOneMember2023-09-300001059556mco:TwoThousandAndTwentyOneSeniorNoteDueTwoThousandAndFortyOneMember2023-09-300001059556mco:TwoThousandAndTwentyOneSeniorNoteDueTwoThousandAndSixtyOneMember2023-09-300001059556mco:TwoThousandAndTwentyTwoSeniorNoteDueTwoThousandAndFiftyTwoMember2023-09-300001059556mco:TwoThousandAndTwentyTwoSeniorNoteDueTwoThousandAndThirtyTwoMember2023-09-300001059556mco:TwentyThirteenSeniorNotesMember2022-12-310001059556mco:TwoThousandFourteenSeniorNotesThirtyYearMember2022-12-310001059556mco:TwoThousandAndFifteenSeniorNotesDueTwoThousandAndTwentySevenMember2022-12-310001059556mco:TwoThousandSeventeenSeniorNoteDueTwoThousandTwentyEightMember2022-12-310001059556mco:TwoThousandEighteenSeniorNoteDueTwoThousandTwentyNineMember2022-12-310001059556mco:TwoThousandEighteenSeniorNoteDueTwoThousandFourtyEightMember2022-12-310001059556mco:A950SeniorNotesDueTwoThousandAndThirtyMember2022-12-310001059556mco:TwoThousandAndTwentySeniorNoteDueTwoThousandAndTwentyFiveMember2022-12-310001059556mco:TwoThousandAndTwentySeniorNoteDueTwoThousandAndFiftyMember2022-12-310001059556mco:TwoThousandAndTwentySeniorNoteDueTwoThousandAndSixtyMember2022-12-310001059556mco:TwoThousandAndTwentyOneSeniorNoteDueTwoThousandAndThirtyOneMember2022-12-310001059556mco:TwoThousandAndTwentyOneSeniorNoteDueTwoThousandAndFortyOneMember2022-12-310001059556mco:TwoThousandAndTwentyOneSeniorNoteDueTwoThousandAndSixtyOneMember2022-12-310001059556mco:TwoThousandAndTwentyTwoSeniorNoteDueTwoThousandAndFiftyTwoMember2022-12-310001059556mco:TwoThousandAndTwentyTwoSeniorNoteDueTwoThousandAndThirtyTwoMember2022-12-310001059556mco:TwentyThirteenSeniorNotesMember2023-01-012023-09-300001059556srt:MinimumMember2023-09-300001059556srt:MaximumMember2023-09-30mco:lineOfBusiness0001059556us-gaap:IntersegmentEliminationMember2023-07-012023-09-300001059556us-gaap:IntersegmentEliminationMember2022-07-012022-09-300001059556us-gaap:IntersegmentEliminationMember2023-01-012023-09-300001059556us-gaap:IntersegmentEliminationMember2022-01-012022-09-300001059556mco:A20222023GeolocationRestructuringProgramMembermco:MoodysAnalyticsMember2023-09-300001059556mco:A20222023GeolocationRestructuringProgramMembermco:MoodysInvestorsServiceMember2023-09-300001059556mco:A20222023GeolocationRestructuringProgramMember2023-09-300001059556mco:A20222023GeolocationRestructuringProgramMembersrt:MinimumMembermco:MoodysAnalyticsMember2023-09-300001059556mco:A20222023GeolocationRestructuringProgramMembermco:MoodysAnalyticsMembersrt:MaximumMember2023-09-300001059556mco:A20222023GeolocationRestructuringProgramMembersrt:MinimumMembermco:MoodysInvestorsServiceMember2023-09-300001059556mco:A20222023GeolocationRestructuringProgramMembersrt:MaximumMembermco:MoodysInvestorsServiceMember2023-09-300001059556us-gaap:EMEAMember2023-07-012023-09-300001059556us-gaap:EMEAMember2022-07-012022-09-300001059556us-gaap:EMEAMember2023-01-012023-09-300001059556us-gaap:EMEAMember2022-01-012022-09-300001059556srt:AsiaPacificMember2023-07-012023-09-300001059556srt:AsiaPacificMember2022-07-012022-09-300001059556srt:AsiaPacificMember2023-01-012023-09-300001059556srt:AsiaPacificMember2022-01-012022-09-300001059556srt:AmericasMember2023-07-012023-09-300001059556srt:AmericasMember2022-07-012022-09-300001059556srt:AmericasMember2023-01-012023-09-300001059556srt:AmericasMember2022-01-012022-09-300001059556us-gaap:SubsequentEventMember2023-10-232023-10-230001059556us-gaap:SubsequentEventMember2023-10-23
Table of Contents
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form10-Q
(Mark one)
QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended September 30, 2023
Or
TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from to
Commission file number 1-14037
____________________
Moody’s Corporation
(Exact name of registrant as specified in its charter)
Delaware
13-3998945
(State of Incorporation)(I.R.S. Employer Identification No.)
7 World Trade Center at 250 Greenwich Street, New York, New York 10007
(Address of Principal Executive Offices)
(Zip Code)

Registrant’s telephone number, including area code:
(212) 553-0300
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered
Common Stock, par value $0.01 per shareMCONew York Stock Exchange
1.75% Senior Notes Due 2027MCO 27New York Stock Exchange
0.950% Senior Notes Due 2030MCO 30New York Stock Exchange
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Sections 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☑ No ☐
Indicate by check mark whether the registrant has submitted electronically, every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☑ No ☐
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. (Check one):
Large Accelerated Filer
Accelerated filer
Non-accelerated filer
Smaller reporting company
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes No ☑
Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date:
Shares Outstanding at September 30, 2023
183.0 million
1

Table of Contents
MOODY’S CORPORATION
INDEX TO FORM 10-Q
Page(s)
3-6
43-44


2

Table of Contents
GLOSSARY OF TERMS AND ABBREVIATIONS
The following terms, abbreviations and acronyms are used to identify frequently used terms in this report:
TERM
DEFINITION
Acquisition-Related Intangible Amortization Expense
Amortization of definite-lived intangible assets acquired by the Company from all business combination transactions
Adjusted Diluted EPS
Diluted EPS excluding the impact of certain items as detailed in the section entitled “Non-GAAP Financial Measures”
Adjusted Net Income
Net Income excluding the impact of certain items as detailed in the section entitled “Non-GAAP Financial Measures”
Adjusted Operating Income
Operating income excluding the impact of certain items as detailed in the section entitled “Non-GAAP Financial Measures”
Adjusted Operating Margin
Adjusted Operating Income divided by revenue
Americas
Represents countries within North and South America, excluding the U.S.
AOCI(L)
Accumulated other comprehensive income/loss; a separate component of shareholders’ equity
ARR
Annualized Recurring Revenue; a supplemental performance metric to provide additional insight on the estimated value of MA's recurring revenue contracts at a given point in time, excluding the impact of FX and contracts related to acquisitions
ASC
The FASB Accounting Standards Codification; the sole source of authoritative GAAP as of July 1, 2009 except for rules and interpretive releases of the SEC, which are also sources of authoritative GAAP for SEC registrants
Asia-Pacific
Represents Australia and countries in Asia including but not limited to: China, India, Indonesia, Japan, Republic of South Korea, Malaysia, Singapore, Sri Lanka and Thailand
ASR
Accelerated Share Repurchase
ASU
The FASB Accounting Standards Update to the ASC. Provides background information for accounting guidance and the bases for conclusions on the changes in the ASC. ASUs are not considered authoritative until codified into the ASC
BitSightA provider that helps global market participants understand cyber risk through ratings, analytics, and performance management tools
Board
The board of directors of the Company
BPS
Basis points
CCXIChina Cheng Xin International Credit Rating Co. Ltd.; China’s first and largest domestic credit rating agency approved by the People’s Bank of China; currently Moody’s owns 30% of CCXI
CDP
Carbon Disclosure Project; an international nonprofit organization that helps companies, cities, states and regions manage their environmental impact through a global disclosure system
CFG
Corporate finance group; an LOB of MIS
CMBS
Commercial mortgage-backed securities; an asset class within SFG
COLICorporate-Owned Life Insurance
Common Stock
The Company’s common stock
Company
Moody’s Corporation and its subsidiaries; MCO; Moody’s
COVID-19An outbreak of a novel strain of coronavirus resulting in an international public health crisis and a global pandemic
CP
Commercial Paper
CP Program
A program entered into on August 3, 2016 allowing the Company to privately place CP up to a maximum of $1 billion for which the maturity may not exceed 397 days from the date of issue, and which is backstopped by the 2021 Facility
D&A
Depreciation and amortization
Data and Information (D&I)
LOB within MA which provides vast data sets on companies and securities via data feeds and data applications products
Decision Solutions (DS)
LOB within MA that provides SaaS solutions supporting banking, insurance, and KYC workflows. This LOB utilizes components from the Data & Information and Research & Insights LOBs to provide risk assessment solutions
EMEA
Represents countries within Europe, the Middle East and Africa
EPS
Earnings per share
3

Table of Contents
TERM
DEFINITION
ESG
Environmental, Social, and Governance
ESTREuro Short-Term Rate
ETR
Effective tax rate
EU
European Union
EURIBOR
The Euro Interbank Offered Rate
Excess Tax Benefits
The difference between the tax benefit realized at exercise of an option or delivery of a restricted share and the tax benefit recorded at the time the option or restricted share is expensed under GAAP
Exchange Act
The Securities Exchange Act of 1934, as amended
External Revenue
Revenue excluding any intersegment amounts
FASB
Financial Accounting Standards Board
FIG
Financial institutions group; an LOB of MIS
Free Cash Flow
Net cash provided by operating activities less cash paid for capital additions
FX
Foreign exchange
GAAP
U.S. Generally Accepted Accounting Principles
GBP
British pounds
GCRGlobal Credit Rating Company Limited; a credit rating agency in Africa with operations spanning the continent, including in South Africa, Nigeria, Senegal, Kenya, and Mauritius
GDPGross domestic product
GRIGlobal Reporting Initiative; an international independent standards organization that helps organizations understand and disclose their impact on climate change, human rights and corruption
ICRA
ICRA Limited; a provider of credit ratings and research in India
kompany360kompany AG (kompany); a Vienna, Austria-based platform for business verification and Know Your Customer (KYC) technology solutions, acquired by the Company in February 2022
KYCKnow-your-customer
LIBOR
London Interbank Offered Rate
LOB
Line of business
MA
Moody’s Analytics - a reportable segment of MCO which provides a wide range of products and services that support financial analysis and risk management activities of institutional participants in global financial markets; consists of three LOBs - Decision Solutions; Research and Insights; and Data and Information
MAKS
Moody’s Analytics Knowledge Services; formerly known as Copal Amba; provided offshore research and analytic services to the global financial and corporate sectors; business was divested in the fourth quarter of 2019 and was formerly a reporting unit within the MA reportable segment
MCO
Moody’s Corporation and its subsidiaries; the Company; Moody’s
MD&A
Management’s Discussion and Analysis of Financial Condition and Results of Operations
MIS
Moody’s Investors Service - a reportable segment of MCO; consists of five LOBs - SFG; CFG; FIG; PPIF; and MIS Other
MIS Other
Consists of financial instruments pricing services in the Asia-Pacific region, ICRA non-ratings revenue, and revenue from professional services. These businesses are components of MIS; MIS Other is an LOB of MIS
Moody’s
Moody’s Corporation and its subsidiaries; MCO; the Company
MSSMoody's Shared Services; primarily consists of information technology and support staff such as finance, human resources and legal that support both MA and MIS
Net Income
Net income attributable to Moody’s Corporation, which excludes net income from consolidated noncontrolling interests belonging to the minority interest holder
NM
Percentage change is not meaningful
4

Table of Contents
TERM
DEFINITION
Non-GAAP
A financial measure not in accordance with GAAP; these measures, when read in conjunction with the Company’s reported results, can provide useful supplemental information for investors analyzing period-to-period comparisons of the Company’s performance, facilitate comparisons to competitors’ operating results and to provide greater transparency to investors of supplemental information used by management in its financial and operational decision making
NRSRO
Nationally Recognized Statistical Rating Organization, which is a credit rating agency registered with the SEC
Operating segment
Term defined in the ASC relating to segment reporting; the ASC defines an operating segment as a component of a business entity that has each of the three following characteristics: i) the component engages in business activities from which it may recognize revenue and incur expenses; ii) the operating results of the component are regularly reviewed by the entity’s chief operating decision maker; and iii) discrete financial information about the component is available
PPIF
Public, project and infrastructure finance; an LOB of MIS
Recurring Revenue
For MA, represents subscription-based revenue and software maintenance revenue. For MIS, represents recurring monitoring fees of a rated debt obligation and/or entities that issue such obligations, as well as revenue from programs such as commercial paper, medium-term notes and shelf registrations. For MIS Other, represents subscription-based revenue
Reporting unit
The level at which Moody’s evaluates its goodwill for impairment under GAAP; defined as an operating segment or one level below an operating segment
Research and Insights (R&I)
LOB within MA that provides models, scores, expert insights and commentary. This LOB includes credit research; credit models and analytics; economics data and models; and structured finance solutions
RMBS
Residential mortgage-backed securities; an asset class within SFG
RMS
Risk Management Solutions, Inc., a global provider of climate and natural disaster risk modeling and analytics; acquired by the Company in September 2021
SaaS
Software-as-a-Service
SASB
Sustainability Accounting Standards Board
SEC
U.S. Securities and Exchange Commission
SFG
Structured finance group; an LOB of MIS
SG&A
Selling, general and administrative expenses
SOFRSecured Overnight Financing Rate
Tax Act
The “Tax Cuts and Jobs Act” enacted into U.S. law on December 22, 2017 which significantly amends the tax code in the U.S.
TCFDTask Force on Climate-Related Financial Disclosures
Total Debt
All indebtedness of the Company as reflected on the consolidated balance sheets
Transaction Revenue
For MA, represents perpetual software license fees and revenue from software implementation services, risk management advisory projects, and training and certification services. For MIS (excluding MIS Other), represents the initial rating of a new debt issuance as well as other one-time fees. For MIS Other, represents revenue from professional services.
U.K.
United Kingdom
U.S.
United States
USD
U.S. dollar
UTPs
Uncertain tax positions
2001 Plan2001 Moody's Corporation Key Employees' Stock Incentive Plan, as amended and restated December 20, 2022
2022 - 2023 Geolocation Restructuring Program
Restructuring program approved by the chief executive officer of Moody’s on June 30, 2022 relating to the Company's post-COVID-19 geolocation strategy
2013 Senior Notes due 2024
Principal amount of $500 million, 4.875% senior unsecured notes due in February 2024
2014 Senior Notes due 2044
Principal amount of $600 million, 5.25% senior unsecured notes due in July 2044
2015 Senior Notes due 2027
Principal amount of €500 million, 1.75% senior unsecured notes due in March 2027
2017 Senior Notes due 2028
Principal amount of $500 million, 3.250% senior unsecured notes due January 15, 2028
2018 Senior Notes due 2029
Principal amount of $400 million, 4.25% senior unsecured notes due February 1, 2029
5

Table of Contents
TERM
DEFINITION
2018 Senior Notes due 2048
Principal amount of $400 million, 4.875% senior unsecured notes due December 17, 2048
2019 Senior Notes due 2030Principal amount of €750 million, 0.950% senior unsecured notes due February 25, 2030
2020 Senior Notes due 2025Principal amount of $700 million, 3.75% senior unsecured notes due March 24, 2025
2020 Senior Notes due 2050Principal amount of $300 million, 3.25% senior unsecured notes due May 20, 2050
2020 Senior Notes due 2060Principal amount of $500 million, 2.55% senior unsecured notes due August 18, 2060
2021 FacilityFive-year unsecured revolving credit facility, with capacity to borrow up to $1.25 billion; backstops CP issued under the CP Program
2021 Senior Notes due 2031Principal amount of $600 million, 2.00% senior unsecured notes due August 19, 2031
2021 Senior Notes due 2041Principal amount of $600 million, 2.75% senior unsecured notes due August 19, 2041
2021 Senior Notes due 2061Principal amount of $500 million, 3.10% senior unsecured notes due November 15, 2061
2022 Senior Notes due 2052Principal amount of $500 million, 3.75% senior unsecured notes due February 25, 2052
2022 Senior Notes due 2032Principal amount of $500 million, 4.25% senior unsecured notes due January 15, 2032

6

Table of Contents
PART I. FINANCIAL INFORMATION
Item 1.         Financial Statements
MOODY’S CORPORATION
CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED)
(Amounts in millions, except per share data)

Three Months Ended
September 30,
Nine Months Ended
September 30,
2023202220232022
Revenue$1,472 $1,275 $4,436 $4,178 
Expenses
Operating412 393 1,266 1,203 
Selling, general, and administrative403 385 1,204 1,124 
Depreciation and amortization95 83 276 242 
Restructuring27 1 51 32 
Total expenses937 862 2,797 2,601 
Operating income535 413 1,639 1,577 
Non-operating (expense) income, net
Interest expense, net(66)(58)(185)(166)
Other non-operating income, net18 26 31 22 
Total non-operating (expense) income, net(48)(32)(154)(144)
Income before provision for income taxes487 381 1,485 1,433 
Provision for income taxes97 78 217 305 
Net income390 303 1,268 1,128 
Less: Net income attributable to noncontrolling interests
1  1  
Net income attributable to Moody's$389 $303 $1,267 $1,128 
Earnings per share attributable to Moody's common shareholders
Basic$2.12 $1.65 $6.91 $6.13 
Diluted$2.11 $1.65 $6.88 $6.10 
Weighted average number of shares outstanding
Basic183.3 183.2 

183.4 184.1 
Diluted184.0 183.9 

184.1 184.9 
The accompanying notes are an integral part of the consolidated financial statements.
7

Table of Contents
MOODY’S CORPORATION
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED)
(Amounts in millions)
Three Months Ended
September 30, 2023
Three Months Ended
September 30, 2022
Pre-tax
amounts
Tax
amounts
After-tax
amounts
Pre-tax
amounts
Tax
amounts
After-tax
amounts
Net Income$390 $303 
Other Comprehensive Income (Loss):
Foreign Currency Adjustments:
Foreign currency translation adjustments, net$(174)$(2)(176)$(358)$6 (352)
Net gains on net investment hedges
124 (31)93 256 (63)193 
Cash Flow Hedges:
Reclassification of losses included in net income1  1 1 (1) 
Pension and Other Retirement Benefits:
Amortization of actuarial gains/prior service credits and settlement credit included in net income
(1) (1)1  1 
Net actuarial gains and prior service costs2 (1)1    
Total other comprehensive loss
$(48)$(34)$(82)$(100)$(58)$(158)
Comprehensive income308 145 
Less: comprehensive income (loss) attributable to noncontrolling interests (9)
Comprehensive Income Attributable to Moody's$308 $154 
Nine Months Ended
September 30, 2023
Nine Months Ended
September 30, 2022
Pre-tax
amounts
Tax
amounts
After-tax
amounts
Pre-tax
amounts
Tax
amounts
After-tax
amounts
Net Income$1,268 $1,128 
Other Comprehensive Income (Loss):
Foreign Currency Adjustments:
Foreign currency translation adjustments, net$(14)$(4)(18)$(806)$10 (796)
Foreign currency translation adjustments - reclassification of losses included in net income   20  20 
Net gains on net investment hedges
11 (3)8 561 (140)421 
Cash Flow Hedges:
Reclassification of losses included in net income2 (1)1 2 (1)1 
Pension and Other Retirement Benefits:
Amortization of actuarial gains/prior service credits and settlement credit included in net income
(3)1 (2)2  2 
Net actuarial gains and prior service costs2 (1)1 3 (1)2 
Total other comprehensive loss
$(2)$(8)$(10)$(218)$(132)$(350)
Comprehensive income1,258 778 
Less: comprehensive loss attributable to noncontrolling interests(1)(12)
Comprehensive Income Attributable to Moody's$1,259 $790 
The accompanying notes are an integral part of the consolidated financial statements.

8

Table of Contents
MOODY’S CORPORATION
CONSOLIDATED BALANCE SHEETS (UNAUDITED)
(Amounts in millions, except share and per share data)
September 30, 2023December 31, 2022
ASSETS
Current assets:
Cash and cash equivalents$2,006 $1,769 
Short-term investments73 90 
Accounts receivable, net of allowance for credit losses of $34 in 2023 and $40 in 2022
1,513 1,652 
Other current assets445 583 
Total current assets4,037 4,094 
Property and equipment, net of accumulated depreciation of $1,234 in 2023 and $1,123 in 2022
573 502 
Operating lease right-of-use assets298 346 
Goodwill5,831 5,839 
Intangible assets, net2,058 2,210 
Deferred tax assets, net264 266 
Other assets1,130 1,092 
Total assets$14,191 $14,349 
LIABILITIES AND SHAREHOLDERS' EQUITY
Current liabilities:
Accounts payable and accrued liabilities$938 $1,011 
Current portion of operating lease liabilities105 106 
Deferred revenue1,226 1,258 
Total current liabilities2,269 2,375 
Non-current portion of deferred revenue65 75 
Long-term debt6,851 7,389 
Deferred tax liabilities, net483 457 
Uncertain tax positions208 322 
Operating lease liabilities316 368 
Other liabilities647 674 
Total liabilities10,839 11,660 
Contingencies (Note 16)
Shareholders' equity:
Preferred stock, par value $0.01 per share; 10,000,000 shares authorized; no shares issued and outstanding
  
Series common stock, par value $0.01 per share; 10,000,000 shares authorized; no shares issued and outstanding
  
Common stock, par value $0.01 per share; 1,000,000,000 shares authorized; 342,902,272 shares issued at September 30, 2023 and December 31, 2022, respectively
3 3 
Capital surplus1,175 1,054 
Retained earnings14,460 13,618 
Treasury stock, at cost; 159,895,591 and 159,702,362 shares of common stock at September 30, 2023 and December 31, 2022, respectively
(11,795)(11,513)
Accumulated other comprehensive loss(652)(643)
Total Moody's shareholders' equity3,191 2,519 
Noncontrolling interests161 170 
Total shareholders' equity3,352 2,689 
Total liabilities, noncontrolling interests, and shareholders' equity$14,191 $14,349 
The accompanying notes are an integral part of the consolidated financial statements.
9

Table of Contents
MOODY’S CORPORATION
CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED)
(Amounts in millions)
Nine Months Ended September 30,
20232022
Cash flows from operating activities
Net income$1,268 $1,128 
Reconciliation of net income to net cash provided by operating activities:
Depreciation and amortization276 242 
Stock-based compensation143 130 
Deferred income taxes(10)58 
ROU Asset impairment & other non-cash restructuring/impairment charges12  
FX translation losses reclassified to net income 20 
Changes in assets and liabilities:
Accounts receivable127 123 
Other current assets151 (140)
Other assets(31)10 
Lease obligations (16)(14)
Accounts payable and accrued liabilities(61)(358)
Deferred revenue(35)(20)
Uncertain tax positions(114)(41)
Other liabilities(36)(41)
Net cash provided by operating activities1,674 1,097 
Cash flows from investing activities
Capital additions(198)(204)
Purchases of investments(108)(244)
Sales and maturities of investments116 153 
Receipts from settlements of net investment hedges 220 
Cash paid for acquisitions, net of cash acquired(3)(97)
Net cash used in investing activities(193)(172)
Cash flows from financing activities
Repayment of notes(500)(500)
Issuance of notes 988 
Proceeds from stock-based compensation plans40 21 
Treasury shares(278)(983)
Repurchase of shares related to stock-based compensation(67)(85)
Dividends(424)(387)
Dividends to noncontrolling interest(2)(1)
Debt issuance costs and related fees (10)
Net cash used in financing activities(1,231)(957)
Effect of exchange rate changes on cash and cash equivalents(13)(123)
Increase (decrease) in cash and cash equivalents237 (155)
Cash and cash equivalents, beginning of period1,769 1,811 
Cash and cash equivalents, end of period$2,006 $1,656 
The accompanying notes are an integral part of the consolidated financial statements.
10

Table of Contents
MOODY’S CORPORATION
CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY (UNAUDITED)
(Amounts in millions, except per share data)
Shareholders of Moody's Corporation
Common StockCapital SurplusRetained EarningsTreasury StockAccumulated
Other
Comprehensive
Loss
Total Moody's
Shareholders'
Equity
Non- Controlling
Interests
Total
Shareholders'
Equity
SharesAmountSharesAmount
Balance at June 30, 2022
342.9 $3 $965 $13,328 (159.4)$(11,403)$(599)$2,294 $185 $2,479 
Net income303 303  303 
Dividends ($0.70 per share)
(130)(130)(1)(131)
Stock-based compensation46 46 46 
Shares issued for stock-based compensation plans at average cost, net2 0.1 1 3 3 
Treasury shares repurchased (0.4)(112)(112)(112)
Currency translation adjustment, net of net investment hedge activity (net of tax of $57 million)
(150)(150)(9)(159)
Amortization of prior service costs and actuarial losses1 1 1 
Balance at September 30, 2022
342.9 $3 $1,013 $13,501 (159.7)$(11,514)$(748)$2,255 $175 $2,430 
The accompanying notes are an integral part of the consolidated financial statements.
11

Table of Contents
MOODY'S CORPORATION
CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (UNAUDITED)
(Amounts in millions, except per share data)
Shareholders of Moody's Corporation
Common StockCapital
Surplus
Retained
Earnings
Treasury StockAccumulated
Other
Comprehensive
Loss
Total Moody's
Shareholders'
Equity
Non- Controlling
Interests
Total
Shareholders'
Equity
SharesAmountSharesAmount
Balance at December 31, 2021
342.9 $3 $885 $12,762 (157.3)$(10,513)$(410)$2,727 $189 $2,916 
Net income1,128 1,128  1,128 
Dividends ($2.10 per share)
(389)(389)(2)(391)
Stock-based compensation130 130 130 
Shares issued for stock-based compensation plans at average cost, net(34)0.6 (30)(64)(64)
Shares issued as consideration to acquire kompany(1)
35 0.1 9 44 44 
Treasury shares repurchased(3)(3.1)(980)(983)(983)
Currency translation adjustment, net of net investment hedge activity (net of tax of $130 million)
(343)(343)(12)(355)
Net actuarial gains and prior service costs (net of tax of $1 million)
2 2 2 
Amortization of prior service costs and actuarial losses2 2 2 
Net realized and unrealized gain on cash flow hedges1 1 1 
Balance at September 30, 2022342.9 $3 $1,013 $13,501 (159.7)$(11,514)$(748)$2,255 $175 $2,430 
The accompanying notes are an integral part of the consolidated financial statements.

(1) Represents a non-cash investing activity relating to the issuance of common stock to fund a portion of the purchase price for kompany.
12

Table of Contents
MOODY'S CORPORATION
CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (UNAUDITED)
(Amounts in millions, except per share data)