IonQ (IONQ) 10-K/A 29 Mar 22 2021 FY Annual report (amended) Financial data

Cover Page

Cover Page - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Mar. 15, 2022	Jun. 30, 2021
Document Information [Line Items]
Document Type	10-K/A
Amendment Flag	true
Amendment Description	Amendment No. 1
Document Period End Date	Dec. 31, 2021
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Entity Registrant Name	IONQ, INC.
Entity Central Index Key	0001824920
Current Fiscal Year End Date	--12-31
Document Annual Report	true
Document Transition Report	false
Entity Incorporation, State or Country Code	DE
Entity File Number	001-38542
Entity Tax Identification Number	85-2992192
Entity Address, Address Line One	4505 Campus Drive
Entity Address, City or Town	College Park
Entity Address, State or Province	MD
Entity Address, Postal Zip Code	20740
City Area Code	301
Local Phone Number	298-7997
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity Ex Transition Period	true
Entity Common Stock, Shares Outstanding		197,671,494
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Public Float			$ 312.7
ICFR Auditor Attestation Flag	false
Auditor Name	Ernst & Young LLP
Auditor Firm ID	42
Auditor Location	Tysons, Virginia
Warrant [Member]
Document Information [Line Items]
Title of 12(b) Security	Warrants, each exercisable for one share of common stock for $11.50 per share
Trading Symbol	WS
Security Exchange Name	NYSE
Common Stock [Member]
Document Information [Line Items]
Title of 12(b) Security	Common Stock, $0.0001 par value per share
Trading Symbol	IONQ
Security Exchange Name	NYSE