Income Taxes - Schedule of Components of Series II’s Deferred Tax Assets and Liabilities (Details) - ISQ Open Infrastructure Company LLC - Series II [Member]	9 Months Ended
	Dec. 31, 2025 USD ($)
Schedule of Components of Series II’s Deferred Tax Assets and Liabilities [Line Items]
Deferred Tax Asset
Unrealized Appreciation (Depreciation)
Deferred Tax Liability	8,733,421
Unrealized Appreciation (Depreciation)	$ 8,733,421