Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2020	Apr. 27, 2020
Document and Entity Information
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Mar. 31, 2020
Entity File Number	001-37477
Entity Registrant Name	TELADOC HEALTH, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	04-3705970
Entity Address, Address Line One	2 Manhattanville Road
Entity Address, Address Line Two	Suite 203
Entity Address, City or Town	Purchase
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10577
City Area Code	203
Local Phone Number	635-2002
Title of 12(b) Security	Common Stock, par value $0.001 per share
Trading Symbol	TDOC
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Central Index Key	0001477449
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		74,453,266