CONSOLIDATED BALANCE SHEETS - USD ($)	Sep. 30, 2022	Sep. 30, 2021
CURRENT ASSETS
Cash and cash equivalents	$ 54,085,685	$ 42,174
Restricted cash	30,289,400
Prepaid expenses and other current assets	1,958,759	6,768,881
TOTAL CURRENT ASSETS	86,333,844	6,811,055
Property, equipment and leasehold improvements, net	14,803,716	1,181,477
Intangible assets, net	93,947,018	2,495,259
Deposit on ELMS assets purchase	5,500,000
Amounts receivable from related parties	1,232,387
Right-of-use assets	4,597,052	2,350,929
Goodwill	92,834,832	0
Other assets	3,345,631	4,333,774
TOTAL ASSETS	302,594,479	17,172,494
CURRENT LIABILITIES
Accounts payable	6,398,425	5,206,310
Accrued expenses and other current liabilities	7,185,881	19,126,765
Dividends payable	7,762,255
Warrant liabilities	84,799,179
Liability to issue shares	10,710,000	7,027,500
Lease liabilities, current portion	1,428,474	599,898
Notes payable, current portion	3,856,497	39,200,970
Other current liabilities	90,372
TOTAL CURRENT LIABILITIES	122,231,083	71,161,443
Notes payable, net of current portion	5,164,552	247,612
Lease liabilities, net of current portion	3,359,354	1,857,894
Deferred tax liability	14,882,782
Other liabilities		5,617,192
TOTAL LIABILITIES	145,637,771	78,884,141
Commitments and Contingencies (Note 18)
STOCKHOLDERS' EQUITY (DEFICIT)
Preferred Stock, Value
Common Stock; $0.001 par value; 1,750,000,000 shares authorized; 833,468,180 and 7,048,387 shares issued and outstanding at September 30, 2022, and 2021, respectively.	833,468	7,048
Additional Paid-in Capital	947,765,155	88,650,286
Accumulated Deficit	(889,907,455)	(150,374,649)
Non-controlling interest	98,259,819
TOTAL STOCKHOLDERS' EQUITY (DEFICIT)	156,956,709	(61,711,647)
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	302,594,479	17,172,494
Series A Preferred Stock
STOCKHOLDERS' EQUITY (DEFICIT)
Preferred Stock, Value	2	100
Series B Preferred Stock
STOCKHOLDERS' EQUITY (DEFICIT)
Preferred Stock, Value		$ 5,568
Series C Preferred Stock
STOCKHOLDERS' EQUITY (DEFICIT)
Preferred Stock, Value	1,360
Series D Preferred Stock
STOCKHOLDERS' EQUITY (DEFICIT)
Preferred Stock, Value	$ 4,359

Amount of liability to issue shares classified as current.

No definition available.

Name:	muln_LiabilityToIssueSharesCurrent
Namespace Prefix:	muln_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).