v3.26.1
Cover - USD ($)
 5 Months Ended
Dec. 31, 2025
Mar. 23, 2026
Jun. 30, 2025
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2025    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2025    
Current Fiscal Year End Date --12-31    
Entity File Number 001-43061    
Entity Registrant Name X3 ACQUISITION CORP. LTD.    
Entity Central Index Key 0002083493    
Entity Tax Identification Number 98-1877158    
Entity Incorporation, State or Country Code E9    
Entity Address, Address Line One 3033 Excelsior Blvd    
Entity Address, Address Line Two Suite 343    
Entity Address, City or Town Minneapolis    
Entity Address, State or Province MN    
Entity Address, Postal Zip Code 55416    
City Area Code 612    
Local Phone Number 457-0070    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status No    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company true    
Elected Not To Use the Extended Transition Period false    
Entity Shell Company true    
Entity Public Float     $ 0
Documents Incorporated by Reference [Text Block] None.    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Auditor Firm ID 100    
Auditor Opinion [Text Block] We have audited the accompanying balance sheet of X3 Acquisition Corp. Ltd. (the “Company”) as of December 31, 2025, and the related statements of operations, changes in shareholders’ deficit and cash flows for the period from July 31, 2025 (inception) through December 31, 2025, and the related notes (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2025, and the results of its operations and its cash flows for the period from July 31, 2025 (inception) through December 31, 2025, in conformity with accounting principles generally accepted in the United States of America.    
Auditor Name WithumSmith+Brown, PC    
Auditor Location New York, New York    
Units, each consisting of one Class A ordinary share and one-half of one redeemable Warrant      
Title of 12(b) Security Units, each consisting of one Class A ordinary share and one-half of one redeemable Warrant    
Trading Symbol XCBEU    
Security Exchange Name NASDAQ    
Class A ordinary shares, par value $0.0001 per share      
Title of 12(b) Security Class A ordinary shares, par value $0.0001 per share    
Trading Symbol XCBE    
Security Exchange Name NASDAQ    
Warrants, each whole warrant exercisable for one Class A ordinary share      
Title of 12(b) Security Warrants, each whole warrant exercisable for one Class A ordinary share    
Trading Symbol XCBEW    
Security Exchange Name NASDAQ    
Common Class A [Member]      
Entity Common Stock, Shares Outstanding   22,500,000  
Entity Listing, Par Value Per Share $ 0.0001    
Common Class B [Member]      
Entity Common Stock, Shares Outstanding   5,625,000  
Entity Listing, Par Value Per Share $ 0.0001