CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS SUPPLEMENTAL DISCLOSURE OF NON-CASH ITEMS (Parenthetical) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS NON-CASH SUPPLEMENTAL DATA
Accrued liabilities for other intangible assets	$ 12.3	$ 8.3

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