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Business Description (Details)
Dec. 31, 2024
numberOfIndependentSalesAgents
Dec. 31, 2024
franchisedandcompanyownedoffices
Dec. 31, 2024
Countries
Dec. 31, 2024
Brokerage_Offices
Dec. 31, 2023
franchisedandcompanyownedoffices
Dec. 31, 2022
franchisedandcompanyownedoffices
Dec. 31, 2021
franchisedandcompanyownedoffices
Number of Countries in which Entity Operates | Countries     119        
Owned Brokerage Group              
Number of Independent Sales Associates 52,900            
Number of offices   575   580 623 679 675
Worldwide | Franchise and Owned Brokerage Groups              
Number of Independent Sales Associates 311,900            
Number of offices | franchisedandcompanyownedoffices   17,800          
United States | Franchise and Owned Brokerage Groups              
Number of Independent Sales Associates 179,200            
Number of offices | Brokerage_Offices       5,300