Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.

No definition available.

Name:	dei_AmendmentFlag
Namespace Prefix:	dei_
Data Type:	xbrli:booleanItemType
Balance Type:	na
Period Type:	duration

- Definition

PCAOB issued Audit Firm Identifier

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form 10-K
-Number 249
-Section 310

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form 20-F
-Number 249
-Section 220
-Subsection f

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form 40-F
-Number 249
-Section 240
-Subsection f

Document and Entity Information - USD ($) $ in Millions	12 Months Ended
Document and Entity Information - USD ($) $ in Millions	Mar. 31, 2023	May 18, 2023	Sep. 30, 2022
Document Information [Line Items]
Document Type	10-K
Amendment Flag	false
Document Fiscal Period Focus	FY
Document Annual Report	true
Document Period End Date	Mar. 31, 2023
Document Fiscal Year Focus	2023
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
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
ICFR Auditor Attestation Flag	true
Entity Interactive Data Current	Yes
Entity Shell Company	false
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			$ 750
Documents Incorporated by Reference	Portions of the Registrant’s definitive proxy statement to be delivered to stockholders in connection with the 2023 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 2023 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		293,075,517
Class B Common Stock [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		168,179,488