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Document and Entity Information
Aug. 04, 2020
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0001740332
Document Type 8-K
Document Period End Date Aug. 04, 2020
Entity Registrant Name RESIDEO TECHNOLOGIES, INC.
Entity Incorporation State Country Code DE
Entity File Number 001-38635
Entity Tax Identification Number 82-5318796
Entity Address, Address Line One 901 E 6th Street
Entity Address, City or Town Austin
Entity Address, State or Province TX
Entity Address, Postal Zip Code 78702
City Area Code (512)
Local Phone Number 726-3500
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, par value $0.001 per share
Trading Symbol REZI
Security Exchange Name NYSE
Entity Emerging Growth Company false