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Description of Business	12 Months Ended
Description of Business	Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Description of Business	Description of Business Morningstar, Inc. and its subsidiaries (Morningstar, we, our, the company) provide independent investment insights for investors around the world. We offer an extensive line of products and services for individual and institutional investors in public and private capital markets, financial advisors, asset managers, retirement plan providers and sponsors, and issuers of securities. We conduct business operations through wholly-owned subsidiaries in 32 countries.