Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2022	Aug. 08, 2022
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2022
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
Entity Registrant Name	RANI THERAPEUTICS HOLDINGS, INC.
Entity Central Index Key	0001856725
Entity File Number	001-40672
Entity Tax Identification Number	86-3114789
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	2051 Ringwood Avenue
Entity Address, City or Town	San Jose
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	95131
City Area Code	408
Local Phone Number	457-3700
Title of 12(b) Security	Class A common stock, par value $0.0001 per share
Trading Symbol	RANI
Security Exchange Name	NASDAQ
Document Quarterly Report	true
Document Transition Report	false
Common Class A [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		24,492,016
Common Class B [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		24,663,752
Common Class C [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		0