v3.26.1
Cover
Jun. 03, 2026
Entity Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 03, 2026
Entity File Number 811-23002
Entity Registrant Name Lattice Strategies Trust
Entity Central Index Key 0001605803
Entity Tax Identification Number 88-3522180
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 690 Lee Road
Entity Address, City or Town Wayne
Entity Address, State or Province PA
Entity Address, Postal Zip Code 19087
City Area Code 610
Local Phone Number 386-4068
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Hartford Multifactor Developed Markets (ex-US) ETF  
Entity Information [Line Items]  
Entity Tax Identification Number 47-2165704
Hartford Multifactor Emerging Markets ETF  
Entity Information [Line Items]  
Entity Tax Identification Number 47-2170470
Hartford Multifactor Small Cap ETF  
Entity Information [Line Items]  
Entity Tax Identification Number 47-2483547
Hartford Multifactor US Equity ETF  
Entity Information [Line Items]  
Entity Tax Identification Number 47-2182282
Hartford US Quality Growth ETF  
Entity Information [Line Items]  
Entity Tax Identification Number 93-3352963
Hartford US Value ETF  
Entity Information [Line Items]  
Entity Tax Identification Number 93-3323704
Hartford Disciplined US Equity ETF  
Entity Information [Line Items]  
Title of 12(b) Security Hartford Disciplined US Equity ETF
Trading Symbol HDUS
Security Exchange Name NYSEArca
Hartford Multifactor Developed Markets (ex-US) ETF  
Entity Information [Line Items]  
Title of 12(b) Security Hartford Multifactor Developed Markets (ex-US) ETF
Trading Symbol RODM
Security Exchange Name NYSEArca
Hartford Multifactor Emerging Markets ETF  
Entity Information [Line Items]  
Title of 12(b) Security Hartford Multifactor Emerging Markets ETF
Trading Symbol ROAM
Security Exchange Name NYSEArca
Hartford Multifactor Small Cap ETF  
Entity Information [Line Items]  
Title of 12(b) Security Hartford Multifactor Small Cap ETF
Trading Symbol ROSC
Security Exchange Name NYSEArca
Hartford Multifactor US Equity ETF  
Entity Information [Line Items]  
Title of 12(b) Security Hartford Multifactor US Equity ETF
Trading Symbol ROUS
Security Exchange Name NYSEArca
Hartford US Quality Growth ETF  
Entity Information [Line Items]  
Title of 12(b) Security Hartford US Quality Growth ETF
Trading Symbol HQGO
Security Exchange Name NASDAQ
Hartford US Value ETF  
Entity Information [Line Items]  
Title of 12(b) Security Hartford US Value ETF
Trading Symbol VMAX
Security Exchange Name CboeBZX