v3.26.1
Cover Page - shares
 3 Months Ended
Mar. 31, 2026
May 06, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Entity Interactive Data Current Yes  
Amendment Flag false  
Document Period End Date Mar. 31, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Entity Registrant Name Pershing Square SPARC Holdings, Ltd./DE  
Entity Central Index Key 0001895582  
Entity File Number 000-56597  
Entity Tax Identification Number 87-3427627  
Entity Incorporation, State or Country Code DE  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Shell Company true  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Address, Address Line One 787 Eleventh Avenue  
Entity Address, Address Line Two Ninth Floor  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10019  
City Area Code 212  
Local Phone Number 813-3700  
Entity Common Stock, Shares Outstanding   422,533