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Organization (Tables)

12 Months Ended

Dec. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Revenue for Major Product Categories

The following table shows the revenue for the major product categories into which we group our services.

	Year Ended December 31,
($ in millions)	2019			2018		2017
Real Estate Services:
Leasing	$	2,524.0		2,372.1		2,051.9
Capital Markets	1,542.2			1,145.4		1,149.4
Property & Facility Management	9,364.7			8,782.8		7,821.3
Project & Development Services	3,121.5			2,669.0		2,344.5
Advisory, Consulting and Other	904.7			815.2		730.3
LaSalle	526.1			533.9		355.8
Total revenue	$	17,983.2		16,318.4		14,453.2

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Tabular disclosure of product information that are included in the discussion of the nature of an entity's operations.

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