Cover Page - shares	3 Months Ended
	Mar. 31, 2022	May 13, 2022
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2022
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q1
Entity Registrant Name	SVF INVESTMENT CORP. 3
Entity File Number	001-40175
Entity Central Index Key	0001837240
Entity Incorporation, State or Country Code	E9
Current Fiscal Year End Date	--12-31
Document Quarterly Report	true
Document Transition Report	false
Entity Current Reporting Status	No
Entity Shell Company	true
Entity Filer Category	Non-accelerated Filer
Trading Symbol	SVFC
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Tax Identification Number	98-1572401
Entity Interactive Data Current	Yes
Entity Address, Address Line One	1 Circle Star Way
Entity Address, City or Town	San Carlos
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94070
City Area Code	650
Local Phone Number	562-8100
Title of 12(b) Security	Class A ordinary shares, par value $0.0001 per share
Security Exchange Name	NASDAQ
Common Class A [Member]
Entity Common Stock, Shares Outstanding		33,040,000
Common Class B [Member]
Entity Common Stock, Shares Outstanding		8,000,000