Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2021	Mar. 18, 2022	Jun. 30, 2021
Document Information Line Items
Entity Registrant Name	APPLIED ENERGETICS, INC.
Trading Symbol	AERG
Document Type	10-K
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		207,692,878
Entity Public Float			$ 81,178,513
Amendment Flag	false
Entity Central Index Key	0000879911
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Non-accelerated Filer
Entity Well-known Seasoned Issuer	No
Document Period End Date	Dec. 31, 2021
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
ICFR Auditor Attestation Flag	false
Document Annual Report	true
Document Transition Report	false
Entity File Number	001-14015
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	77-0262908
Entity Address, Address Line One	9070 S. Rita Road
Entity Address, Address Line Two	Suite 1500
Entity Address, City or Town	Tucson
Entity Address, State or Province	AZ
Entity Address, Postal Zip Code	85747
City Area Code	(520)
Local Phone Number	628-7415
Title of 12(b) Security	Common Stock, $.001 par value
Security Exchange Name	NYSE
Entity Interactive Data Current	Yes
Auditor Name	RBSM LLP
Auditor Location	Las Vegas, NV
Auditor Firm ID	587