Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2025	Nov. 10, 2025
Document and Entity Information
Entity Registrant Name	UNITED STATES ANTIMONY CORPORATION
Entity Central Index Key	0000101538
Document Type	10-Q
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Sep. 30, 2025
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2025
Entity Common Stock, Shares Outstanding		140,035,604
Securities Act File Number	001-08675
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
Document Quarterly Report	true
Document Transition Report	false
Entity Interactive Data Current	Yes
NYSE American
Document and Entity Information
Title of 12(b) Security	Common Stock, $0.01 par value
Trading Symbol	UAMY
Security Exchange Name	NYSE
NYSE Texas
Document and Entity Information
Title of 12(b) Security	Common Stock, $0.01 par value
Trading Symbol	UAMY
Security Exchange Name	NYSE