STOCKHOLDERS' EQUITY, Series A Warrants (Details)	6 Months Ended
Jun. 30, 2020 shares
STOCKHOLDERS' EQUITY [Abstract]
Issuance of common stock in connection with cashless exercise of Series A warrants	19,859,802,354

Number of shares issued during the period as a result of the cashless exercise of warrants.

No definition available.

Name:	hcmc_StockIssuedDuringPeriodSharesCashlessExerciseOfWarrants
Namespace Prefix:	hcmc_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration