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 811-23222
Entity Registrant Name Hartford Funds Exchange-Traded Trust
Entity Central Index Key 0001501825
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 AAA CLO ETF  
Entity Information [Line Items]  
Entity Tax Identification Number 82-4419512
Hartford Alpha Capture Growth ETF  
Entity Information [Line Items]  
Entity Tax Identification Number 41-4852481
Hartford Alpha Capture Value ETF  
Entity Information [Line Items]  
Entity Tax Identification Number 41-1821330
Hartford Core Bond ETF  
Entity Information [Line Items]  
Entity Tax Identification Number 84-3642048
Hartford Dynamic Bond ETF  
Entity Information [Line Items]  
Entity Tax Identification Number 39-2519528
Hartford Equity Premium Income ETF  
Entity Information [Line Items]  
Entity Tax Identification Number 39-4420631
Hartford Large Cap Growth ETF  
Entity Information [Line Items]  
Entity Tax Identification Number 87-1168105
Hartford Municipal Opportunities ETF  
Entity Information [Line Items]  
Entity Tax Identification Number 82-1911110
Hartford Strategic Income ETF  
Entity Information [Line Items]  
Entity Tax Identification Number 87-0898457
Hartford Schroders Tax-Aware Bond ETF  
Entity Information [Line Items]  
Entity Tax Identification Number 82-1959543
Hartford Total Return Bond ETF  
Entity Information [Line Items]  
Entity Tax Identification Number 82-1059347
Hartford AAA CLO ETF  
Entity Information [Line Items]  
Title of 12(b) Security Hartford AAA CLO ETF
Trading Symbol TRPA
Security Exchange Name CboeBZX
Hartford Alpha Capture Growth ETF  
Entity Information [Line Items]  
Title of 12(b) Security Hartford Alpha Capture Growth ETF
Trading Symbol ACGO
Security Exchange Name CboeBZX
Hartford Alpha Capture Value ETF  
Entity Information [Line Items]  
Title of 12(b) Security Hartford Alpha Capture Value ETF
Trading Symbol ACVU
Security Exchange Name CboeBZX
Hartford Core Bond ETF  
Entity Information [Line Items]  
Title of 12(b) Security Hartford Core Bond ETF
Trading Symbol HCRB
Security Exchange Name CboeBZX
Hartford Dynamic Bond ETF  
Entity Information [Line Items]  
Title of 12(b) Security Hartford Dynamic Bond ETF
Trading Symbol DYNB
Security Exchange Name NASDAQ
Hartford Equity Premium Income ETF  
Entity Information [Line Items]  
Title of 12(b) Security Hartford Equity Premium Income ETF
Trading Symbol HEMI
Security Exchange Name CboeBZX
Hartford Large Cap Growth ETF  
Entity Information [Line Items]  
Title of 12(b) Security Hartford Large Cap Growth ETF
Trading Symbol HFGO
Security Exchange Name CboeBZX
Hartford Municipal Opportunities ETF  
Entity Information [Line Items]  
Title of 12(b) Security Hartford Municipal Opportunities ETF
Trading Symbol HMOP
Security Exchange Name NYSEArca
Hartford Strategic Income ETF  
Entity Information [Line Items]  
Title of 12(b) Security Hartford Strategic Income ETF
Trading Symbol HFSI
Security Exchange Name CboeBZX
Hartford Schroders Tax-Aware Bond ETF  
Entity Information [Line Items]  
Title of 12(b) Security Hartford Schroders Tax-Aware Bond ETF
Trading Symbol HTAB
Security Exchange Name NYSEArca
Hartford Total Return Bond ETF  
Entity Information [Line Items]  
Title of 12(b) Security Hartford Total Return Bond ETF
Trading Symbol HTRB
Security Exchange Name NYSEArca