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Organization (Details) ft² in Billions, $ in Billions	Dec. 31, 2023 USD ($) ft² employee
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of employees	106,000
Number of employees whose costs are reimbursed by clients	48,300
Portfolio of property and corporate facility management (in square feet) | ft²	4.8
Assets under management by LaSalle Investment Management | $	$ 73.9

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- Definition

Number of persons employed by the Entity

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- Definition

The number of employees whose costs are reimbursed by clients.

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- Definition

Area of a real estate property.

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- Definition

The carrying amount of assets an investment adviser manages on behalf of investors.

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