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Significant Accounting Policies (Details) - Schedule of accounts receivable from customers | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Schedule of accounts receivable from customers [Abstract] |  |
Percentage of accounts receivable from Customer C | 18.00% | 10.00%

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- Definition Percentage of accounts receivable from Customer. + References No definition available. + Details
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Namespace Prefix: | mvst_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | mvst_ScheduleOfAccountsReceivableFromCustomersAbstract
Namespace Prefix: | mvst_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration