Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2019	Nov. 12, 2019
Document And Entity Information
Entity Registrant Name	PROTEO INC
Entity Central Index Key	0001063104
Document Type	10-Q
Document Period End Date	Sep. 30, 2019
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Is Entity's Reporting Status Current?	Yes
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		24,879,350
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2019
Entity Small Business	true
Entity Emerging Growth	false
Entity File Number	000-30728
Interactive data current?	Yes
State of incorporation	NV