Cover - USD ($)	12 Months Ended
	Dec. 31, 2024	Mar. 14, 2025	Jun. 28, 2024
Cover [Abstract]
Entity Registrant Name	UNITED STATES ANTIMONY CORPORATION
Entity Central Index Key	0000101538
Document Type	10-K
Amendment Flag	false
Entity Voluntary Filers	No
Current Fiscal Year End Date	--12-31
Entity Well Known Seasoned Issuer	No
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Dec. 31, 2024
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2024
Entity Common Stock Shares Outstanding		114,632,369
Entity Public Float			$ 36,025,371
Document Annual Report	true
Document Transition Report	false
Document Fin Stmt Error Correction Flag	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 City Or Town	Dallas
Entity Address State Or Province	TX
Entity Address Postal Zip Code	75209
City Area Code	406
Icfr Auditor Attestation Flag	false
Auditor Name	Assure CPA, LLC
Auditor Location	Spokane, WA
Auditor Firm Id	444
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
Entity Address Address Line 2	Unit 100