S-K 1602(b)(6) Prospectus Summary, Sponsor Compensation - RMG ML Sports Holdings Sponsor LLC [Member]	Jun. 04, 2026 USD ($) $ / shares shares
Class B Ordinary Shares [Member]
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Securities Issued or to be Issued, Shares (in Shares) \| shares	7,666,667
Price Paid or to be Paid for Securities, Total Amount	$ 25,000
Price Paid or to be Paid for Securities, Per Share (in Dollars per share) \| $ / shares	$ 0.003
Private Placement Units [Member]
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Securities Issued or to be Issued, Shares (in Shares) \| shares	210,000
Price Paid or to be Paid for Securities, Total Amount	$ 2,100,000
Loans [Member]
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Price Paid or to be Paid for Securities, Total Amount	400,000
working Capital Loans [Member]
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Price Paid or to be Paid for Securities, Total Amount	$ 1,500,000
Price Paid or to be Paid for Securities, Per Share (in Dollars per share) \| $ / shares	$ 10

RMG ML Sports Holdings S-1/A