Cover - shares	3 Months Ended
	Mar. 31, 2025	May 05, 2025
Cover [Abstract]
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	Mar. 31, 2025
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2025
Entity Common Stock Shares Outstanding		117,922,971
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	001-08675
Entity Incorporation State Country Code	MT
Entity Tax Identification Number	81-0305822
Entity Address Address Line 1	4438 W. Lover’s Lane
Entity Address Address Line 2	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
Security 12b Title	Common Stock, $0.01 par value
Trading Symbol	UAMY
Security Exchange Name	NYSE
Entity Interactive Data Current	Yes