Cover - shares	9 Months Ended
	Sep. 30, 2022	Nov. 11, 2022
Cover [Abstract]
Entity Registrant Name	HEMPACCO CO. INC.
Entity Central Index Key	0001892480
Document Type	10-Q/A
Amendment Flag	true
Current Fiscal Year End Date	--12-31
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	No
Document Period End Date	Sep. 30, 2022
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2022
Entity Common Stock Shares Outstanding		23,373,213
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
Amendment Description	Hempacco Co., Inc. (the “Company”) is filing this amendment on Form 10-Q/A for the quarter ended September 30, 2022, to amend the Quarterly Report on Form 10-Q that was originally filed on November 15, 2022 (the "Original 10-Q") to provide the required interactive data files in connection with the Company’s financial statements and to make other minor changes to the Original 10-Q.