Represents the number of equal monthly installments of notes receivable.

No definition available.

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- Definition

Represents the percentage of 2,500,000 used to calculate number of shares.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Represents the value by which 125% is multiplied to calculate number of shares.

+ References

No definition available.

+ Details

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Namespace Prefix:	muln_
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Balance Type:	credit
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- Definition

Represents the value of warrants to acquire shares of common stock.

+ References

No definition available.

+ Details

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Namespace Prefix:	muln_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644

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Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount, before allowance for credit loss, of accrued interest on financing receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 3B
-URI http://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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Period Type:	duration

- Details

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- Details

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SUBSEQUENT EVENTS - Note Receivable Transaction (Details)	Oct. 08, 2021 USD ($) item $ / shares	Sep. 30, 2021 USD ($) $ / shares	Sep. 03, 2021 $ / shares	Aug. 19, 2021 $ / shares	Jul. 26, 2021 $ / shares	Jul. 22, 2021 $ / shares	May 26, 2021 $ / shares	Sep. 30, 2020 USD ($)
Subsequent Event [Line Items]
Notes Receivable		$ 90,552						$ 79,939
Warrants exercise price \| $ / shares		$ 0.6877	$ 0.6877	$ 0.6877	$ 0.6877	$ 0.6877	$ 0.6877
Subsequent event \| CEO cast
Subsequent Event [Line Items]
Value of Warrants to Acquire Shares of Common Stock	$ 15,000,000
Notes Receivable	15,000,000
Interest amount	$ 0
Number of equal monthly installments \| item	6
Warrants exercise price \| $ / shares	$ 0.001
Percentage Of 2,500,000 Used To Calculate Number Of Shares	125.00%
Value By Which 125% Is Multiplied To Calculate Number Of Shares	$ 2,500,000