CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS SUPPLEMENTAL DISCLOSURE OF NON-CASH ITEMS (Parenthetical) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS NON-CASH SUPPLEMENTAL DATA
Accrued liabilities for intangible assets	$ 1.3	$ 12.6

Represents the future cash outflow to pay for net change in accrued Liabilities related to intangible additions.

No definition available.

Name:	mnst_NetChangeInAccruedLiabilitiesIncurredButNotYetPaid
Namespace Prefix:	mnst_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration