Cover - shares	9 Months Ended
	Sep. 30, 2022	Nov. 14, 2022
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	Sep. 30, 2022
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2022
Entity Common Stock Shares Outstanding		106,373,341
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	P.O. Box 643
Entity Address City Or Town	Thompson Falls
Entity Address State Or Province	MT
Entity Address Postal Zip Code	59873
City Area Code	406
Local Phone Number	827-3523
Security 12b Title	Common Stock, $0.001 par value
Trading Symbol	UAMY
Security Exchange Name	NYSE
Entity Interactive Data Current	Yes