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Discontinued Operations - Additional Information (Details) $ in Millions | May 31, 2024 USD ($)
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Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration] | Gain (Loss) on Disposition of Business
Net gain on disposition of discontinued operations | $ 228.3
Marsh and McLennan Agency LLC [Member] |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Cash received from the sale of a business | $ 336.9

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