S-K 1602(b)(6) Prospectus Summary, Sponsor Compensation	Nov. 06, 2025 USD ($) $ / shares shares
SC Capital II Sponsor LLC [Member]
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Price Paid or to be Paid for Securities, Total Amount (in Dollars) \| $	$ 14,000
Class B Ordinary Shares [Member]
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Securities Issued or to be Issued, Shares	25,000
Class B Ordinary Shares [Member] \| SC Capital II Sponsor LLC [Member]
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Securities Issued or to be Issued, Shares	7,392,857
Over-Allotment Option [Member] \| SC Capital II Sponsor LLC [Member]
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Securities Issued or to be Issued, Shares	964,286
Private Placement Units [Member]
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Price Paid or to be Paid for Securities, Total Amount (in Dollars) \| $	$ 2,550,000
Securities Issued or to be Issued, Shares	255,000
Repayment of Loans [Member] \| SC Capital II Sponsor LLC [Member]
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Price Paid or to be Paid for Securities, Total Amount (in Dollars) \| $	$ 300,000
Working Capital Loans [Member]
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Price Paid or to be Paid for Securities, Total Amount (in Dollars) \| $	$ 1,500,000
Price Paid or to be Paid for Securities, Per Share (in Dollars per share) \| $ / shares	$ 10
Founder Shares [Member]
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Securities Issued or to be Issued, Shares	20,000

SC II Acquisition Corp. S-1/A