XML 12 R1.htm IDEA: XBRL DOCUMENT v3.20.2
Document and Entity Information Document
Dec. 07, 2020
Nov. 02, 2020
Entity Information [Line Items]    
Document Type   8-K
Document Period End Date Dec. 07, 2020  
Entity Registrant Name   Jones Lang LaSalle Incorporated
Entity Central Index Key   0001037976
Amendment Flag   false
Entity Incorporation, State or Country Code   MD
Entity File Number   001-13145
Entity Tax Identification Number   36-4150422
Entity Address, Address Line One   200 East Randolph Drive,
Entity Address, City or Town   Chicago,
Entity Address, State or Province   IL
Entity Address, Postal Zip Code   60601
City Area Code   (312)
Local Phone Number   782-5800
Written Communications   false
Soliciting Material   false
Pre-commencement Tender Offer   false
Pre-commencement Issuer Tender Offer   false
Title of 12(b) Security   Common Stock, par value $0.01
Trading Symbol   JLL
Security Exchange Name   NYSE
Entity Emerging Growth Company   false