Cover - shares	3 Months Ended
	Mar. 31, 2022	Apr. 27, 2022
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2022
Document Transition Report	false
Entity File Number	001-41042
Entity Registrant Name	Rivian Automotive, Inc. / DE
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	14600 Myford Road
Entity Address, City or Town	Irvine
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	92606
Entity Tax Identification Number	47-3544981
City Area Code	(888)
Local Phone Number	748-4261
Title of 12(b) Security	Class A common stock, $0.001 par value per share
Trading Symbol	RIVN
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Central Index Key	0001874178
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q1
Amendment Flag	false
Common Class A
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		892,832,659
Common Class B
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		7,825,000