v3.22.2.2
Cover
Nov. 30, 2022
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Nov. 30, 2022
Entity File Number 001-32576
Entity Registrant Name ITC HOLDINGS CORP.
Entity Central Index Key 0001317630
Entity Tax Identification Number 32-0058047
Entity Incorporation, State or Country Code MI
Entity Address, Address Line One 27175 Energy Way
Entity Address, City or Town Novi
Entity Address, State or Province MI
Entity Address, Postal Zip Code 48377
City Area Code 248
Local Phone Number 946-3000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false