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Statement - Consolidated Statements of Changes in Members' Equity (Parenthetical) link:calculationLink link:presentationLink link:definitionLink 1011 - Disclosure - Organization and Basis of Presentation link:calculationLink link:presentationLink link:definitionLink 1012 - Disclosure - Significant Accounting Policies link:calculationLink link:presentationLink link:definitionLink 1013 - Disclosure - Recent Accounting Developments link:calculationLink link:presentationLink link:definitionLink 1014 - Disclosure - Receivables link:calculationLink link:presentationLink link:definitionLink 1015 - Disclosure - Investments link:calculationLink link:presentationLink link:definitionLink 1016 - Disclosure - Fair Value Measurements link:calculationLink link:presentationLink link:definitionLink 1017 - Disclosure - Derivatives link:calculationLink link:presentationLink link:definitionLink 1018 - Disclosure - Property link:calculationLink link:presentationLink link:definitionLink 1019 - Disclosure - 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Disclosure - Fair Value Measurements - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1062 - Disclosure - Fair Value Measurements - Financial Instruments Not Measured at Fair Value (Detail) link:calculationLink link:presentationLink link:definitionLink 1063 - Disclosure - Fair Value Measurements - Fair Value of Certain Investments Based on NAV (Detail) link:calculationLink link:presentationLink link:definitionLink 1064 - Disclosure - Fair Value Measurements - Fair Value of Certain Investments Based on NAV (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 1065 - Disclosure - Derivatives - Fair Values of Derivatives Reported on Consolidated Statements of Financial Condition (Detail) link:calculationLink link:presentationLink link:definitionLink 1066 - Disclosure - Derivatives - Fair Values of Derivatives Reported on Consolidated Statements of Financial Condition (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 1067 - Disclosure - Derivatives - Net Gains (Losses) with Respect to Derivative Instruments Not Designated as Hedging Instruments (Detail) link:calculationLink link:presentationLink link:definitionLink 1068 - Disclosure - Property - Property (Detail) link:calculationLink link:presentationLink link:definitionLink 1069 - Disclosure - Goodwill and Other Intangible Assets - Components of Goodwill and Other Intangible Assets (Detail) link:calculationLink link:presentationLink link:definitionLink 1070 - Disclosure - Goodwill and Other Intangible Assets - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1071 - Disclosure - Goodwill and Other Intangible Assets - Changes in Carrying Amount of Goodwill (Detail) link:calculationLink link:presentationLink link:definitionLink 1072 - Disclosure - Goodwill and Other Intangible Assets - Gross Cost and Accumulated Amortization of Other Intangible Assets (Detail) link:calculationLink link:presentationLink link:definitionLink 1073 - Disclosure - Goodwill and Other Intangible Assets - Estimated Future Amortization Expense (Detail) link:calculationLink link:presentationLink link:definitionLink 1074 - Disclosure - Goodwill and Other Intangible Assets - Estimated Future Amortization Expense (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 1075 - Disclosure - Other Assets and Other Liabilities - Schedule of Other Assets (Detail) link:calculationLink link:presentationLink link:definitionLink 1076 - Disclosure - Other Assets and Other Liabilities - Schedule of Other Liabilities (Detail) link:calculationLink link:presentationLink link:definitionLink 1077 - Disclosure - Senior Debt - Senior Debt (Detail) link:calculationLink link:presentationLink link:definitionLink 1078 - Disclosure - Senior Debt - Senior Debt (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 1079 - Disclosure - Senior Debt - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1080 - Disclosure - Senior Debt - Debt Maturities Relating to Senior Borrowings Outstanding (Detail) link:calculationLink link:presentationLink link:definitionLink 1081 - Disclosure - Commitments and Contingencies - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1082 - Disclosure - Commitments and Contingencies - Schedule of Future Minimum Rental Payment for Operating Leases and Capital Leases (Detail) link:calculationLink link:presentationLink link:definitionLink 1083 - Disclosure - Members' Equity - Lazard Group Distributed Amounts to LAZ-MD Holdings and Subsidiaries of Lazard Ltd (Detail) link:calculationLink link:presentationLink link:definitionLink 1084 - Disclosure - Members' Equity - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1085 - Disclosure - Members' Equity - Schedule of Share Repurchase Authorized by Board of Directors (Detail) link:calculationLink link:presentationLink link:definitionLink 1086 - 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