v3.25.2
Cover
3 Months Ended
Jun. 30, 2025
$ / shares
shares
Cover [Abstract]  
Document Type 10-Q
Amendment Flag false
Document Quarterly Report true
Document Transition Report false
Document Period End Date Jun. 30, 2025
Document Fiscal Period Focus Q1
Document Fiscal Year Focus 2026
Current Fiscal Year End Date --03-31
Entity File Number 333-288068
Entity Registrant Name YELLOWSTONE GROUP LTD
Entity Central Index Key 0002071489
Entity Tax Identification Number 99-3878528
Entity Incorporation, State or Country Code NV
Entity Address, Address Line One 48 Janice Street
Entity Address, Address Line Two Seven Hills
Entity Address, City or Town Sydney
Entity Address, Country AU
Entity Address, Postal Zip Code 2147
City Area Code (+61)
Local Phone Number 450315883
Entity Current Reporting Status Yes
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 false
Entity Common Stock, Shares Outstanding | shares 20,000,000
Entity Listing, Par Value Per Share | $ / shares $ 0.0001