Document And Entity Information - USD ($)	12 Months Ended
Document And Entity Information - USD ($)	Dec. 31, 2023	Mar. 01, 2024	Jun. 30, 2023
Document Information Line Items
Entity Registrant Name	Mega Matrix Corp.
Trading Symbol	MPU
Document Type	10-K/A
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		35,874,631
Entity Public Float			$ 33,970,210
Amendment Flag	true
Amendment Description	We are filing this Amendment No. 1 on Form 10-K/A (the “Amendment”) to amend our Annual Report on Form 10-K for the year ended December 31, 2023 (the “Original Form 10-K”), filed with the Securities and Exchange Commission (“SEC”) on March 18, 2024 (the “Original Filing Date”). We are filing this Amendment to reflect changes made in response to certain comments raised by the staff of the SEC in connection with our wholly owned subsidiary Mega Matrix Inc.’s filing of a Registration Statement on Form F-4 related to our proposed redomicile from Delaware to the Cayman Islands.As a result of the above, we are filing this Amendment to amend and restate in their entirety the following Items: (i) Part I, Item 1. Business, (ii) Part I, Item 1A. Risk Factors, (iii) Part I, Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations, and (iv) Part IV Item 15. Exhibits, Financial Statements Schedules. In addition, pursuant to Rule 12b-15 under the Securities Exchange Act of 1934 (the “Exchange Act”), this Form 10-K/A also includes as exhibits the certifications of the Principal Executive Officer and Principal Financial Officer of the Company pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.Except for the foregoing, all other disclosures in the Original Form 10-K remain unchanged. We have not modified or updated disclosures presented in the Original Form 10-K, except as required to reflect the effects of the revisions in this Amendment. Accordingly, this Amendment should be read in conjunction with the Original Form 10-K and does not reflect events occurring after the Original Filing Date of the Original Form 10-K other than as described herein and no attempt has been made in this Amendment to modify or update other disclosures as presented in the Original Form 10-K except as specifically referenced herein. Accordingly, this Amendment and the Original Form 10-K should be read in conjunction with our filings with the SEC subsequent to the filing of the Original Form 10-K.
Entity Central Index Key	0001036848
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Non-accelerated Filer
Entity Well-known Seasoned Issuer	No
Document Period End Date	Dec. 31, 2023
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
ICFR Auditor Attestation Flag	false
Document Annual Report	true
Document Transition Report	false
Entity File Number	001-13387
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	94-3263974
Entity Address, Address Line One	3000 El Camino Real
Entity Address, Address Line Two	Bldg. 4
Entity Address, Address Line Three	Suite 200
Entity Address, City or Town	Palo Alto
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94306
City Area Code	(650)
Local Phone Number	340-1888
Title of 12(b) Security	Common Stock, par value $0.001 per share
Security Exchange Name	NYSE
Entity Interactive Data Current	Yes
Document Financial Statement Error Correction [Flag]	false
Documents Incorporated by Reference [Text Block]	None
Auditor Name	Audit Alliance LLP
Auditor Firm ID	3487
Auditor Location	Singapore

Mega Matrix Corp. 10-K/A