v3.19.3
Cover
Oct. 31, 2019
Document Type 8-K
Amendment Flag false
Document Period End Date Oct. 31, 2019
Entity File Number 001-16503
Entity Registrant Name WILLIS TOWERS WATSON PLC
Entity Central Index Key 0001140536
Entity Tax Identification Number 98-0352587
Entity Incorporation, State or Country Code L2
Entity Address, Address Line One c/o Willis Group Limited
Entity Address, Address Line Two 51 Lime Street
Entity Address, City or Town London
Entity Address, Country GB
Entity Address, Postal Zip Code EC3M 7DQ
Country Region 44
City Area Code 20
Local Phone Number 3124-6000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Ordinary Shares, nominal value $0.000304635 per share
Trading Symbol WLTW
Security Exchange Name NASDAQ
Entity Emerging Growth Company false