XML 15 R1.htm IDEA: XBRL DOCUMENT v3.22.1
Document and Entity Information - USD ($)
$ in Millions
 12 Months Ended
Mar. 31, 2022
May 20, 2022
Sep. 30, 2021
Document Information [Line Items]      
Document Type 10-K    
Amendment Flag false    
Document Fiscal Period Focus FY    
Document Period End Date Mar. 31, 2022    
Document Fiscal Year Focus 2022    
Document Annual Report true    
Document Transition Report false    
Entity Registrant Name 23ANDME HOLDING CO.    
Entity Central Index Key 0001804591    
Entity File Number 001-39587    
Entity Tax Identification Number 87-1240344    
Entity Incorporation, State or Country Code DE    
Current Fiscal Year End Date --03-31    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
ICFR Auditor Attestation Flag false    
Entity Shell Company false    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Address, Address Line One 349 Oyster Point Boulevard    
Entity Address, City or Town South San Francisco    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 94080    
Local Phone Number 938-6300    
City Area Code 650    
Title of 12(b) Security Class A common stock, $0.0001 par value per share    
Trading Symbol ME    
Security Exchange Name NASDAQ    
Entity Public Float     $ 820
Documents Incorporated by Reference [Text Block]

Portions of the Registrant’s definitive proxy statement to be delivered to stockholders in connection with the 2022 annual meeting of stockholders are incorporated by reference in response to Part III of this Annual Report on Form 10-K to the extent stated herein. The 2022 Proxy Statement will be filed with the U.S. Securities and Exchange Commission within 120 days after the end of the fiscal year to which this report relates.

    
Auditor Firm ID 185    
Auditor Name KPMG LLP    
Auditor Location Santa Clara, California    
Class A Common Stock [Member]      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   256,405,630  
Class B Common Stock [Member]      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   192,767,491