Organization (Tables)

12 Months Ended

Dec. 31, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Revenue for Major Product Categories

The following table shows our revenue by service line.

	Year Ended December 31,
(in millions)	2020		2019	2018
Real Estate Services:
Leasing	$	1,884.2	2,524.0	2,372.1
Capital Markets	1,407.4		1,542.2	1,145.4
Property & Facility Management	9,485.4		9,364.7	8,782.8
Project & Development Services	2,530.1		3,121.5	2,669.0
Advisory, Consulting and Other	861.0		904.7	815.2
LaSalle	421.8		526.1	533.9
Total revenue	$	16,589.9	17,983.2	16,318.4