Cover - shares	9 Months Ended
	Sep. 30, 2023	Nov. 20, 2023
Cover [Abstract]
Entity Registrant Name	HEMPACCO CO., INC.
Entity Central Index Key	0001892480
Document Type	10-Q
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Sep. 30, 2023
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2023
Entity Common Stock Shares Outstanding		29,145,537
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	001-41487
Entity Incorporation State Country Code	NV
Entity Tax Identification Number	83-4231457
Entity Address Address Line 1	9925 Airway Road
Entity Address City Or Town	San Diego
Entity Address State Or Province	CA
Entity Address Postal Zip Code	92154
City Area Code	619
Local Phone Number	779-0715
Security 12b Title	Common Stock, par value $0.001 per share
Trading Symbol	HPCO
Security Exchange Name	NASDAQ
Entity Interactive Data Current	Yes