v3.26.1
Significant Accounting Policies - Statements of Operations (Details) - USD ($)
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Accounting Policies [Line Items]    
Unrealized gain (loss) on investment in Pershing Square, L.P. held at fair value [1] $ (10,943,780) $ 93,128
Profit-sharing partner compensation [1] (11,766,519) (15,448,224)
Net income (loss) attributable to non-controlling interest (10,943,780) 93,232
Pershing Square GP, LLC    
Accounting Policies [Line Items]    
Profit-sharing partner compensation 0 (53)
Net income (loss) attributable to non-controlling interest (10,943,780) 93,232
Pershing Square GP, LLC | Pershing Square, L.P.    
Accounting Policies [Line Items]    
Unrealized gain (loss) on investment in Pershing Square, L.P. held at fair value (10,943,780) 93,128
Performance allocation from Pershing Square, L.P. [2] $ 0 $ 157
[1] Includes amounts attributable to consolidated VIEs for which Pershing Square Holdco, L.P. does not have any direct equity interests.
[2] 1) Included in performance fees on PS Holdco's Consolidated Statements of Operations