Cover - shares	6 Months Ended
	Jun. 30, 2022	Aug. 15, 2022
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Jun. 30, 2022
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2022
Current Fiscal Year End Date	--12-31
Entity File Number	000-56379
Entity Registrant Name	NEXT-ChemX Corporation
Entity Central Index Key	0001657045
Entity Tax Identification Number	32-0446353
Entity Incorporation, State or Country Code	NV
Entity Address, Address Line One	1111 W 12th St
Entity Address, Address Line Two	# 113
Entity Address, City or Town	Austin
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	78703
City Area Code	(512)
Local Phone Number	663-2690
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Elected Not To Use the Extended Transition Period	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		28,022,497