Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2025	Mar. 12, 2026	Jun. 30, 2025
Document and Entity Information
Document Type	10-K
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2025
Securities Act File Number	001-08675
Entity Registrant Name	UNITED STATES ANTIMONY CORPORATION
Entity Incorporation, State or Country Code	TX
Entity Tax Identification Number	81-0305822
Entity Address, Address Line One	4438 W. Lovers Lane
Entity Address, Address Line Two	Unit 100
Entity Address, City or Town	Dallas
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	75209
City Area Code	406
Local Phone Number	606-4117
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	false
Document Financial Statement Error Correction [Flag]	false
Entity Shell Company	false
Entity Public Float			$ 250,314,273
Entity Common Stock, Shares Outstanding		143,371,936
Entity Central Index Key	0000101538
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	FY
Amendment Flag	false
Auditor Name	Assure CPA, LLC
Auditor Firm ID	444
Auditor Location	Spokane, Washington
NYSE American
Document and Entity Information
Title of 12(b) Security	Common stock, $0.01 par value
Trading Symbol	UAMY
Security Exchange Name	NYSE