Document and Entity Information
Nov. 01, 2019
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Nov. 01, 2019
Entity Registrant Name ITT INC.
Entity Incorporation, State or Country Code IN
Entity File Number 001-05672
Entity Tax Identification Number 81-1197930
Entity Address, Address Line One 1133 Westchester Avenue
Entity Address, City or Town White Plains
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10604
City Area Code 914
Local Phone Number 641-2000
Entity Information, Former Legal or Registered Name Not Applicable
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Entity Central Index Key 0000216228
Title of 12(b) Security Common Stock
Trading Symbol ITT
Security Exchange Name NYSE