Business Acquisition, Share Price, Additional Consideration

No definition available.

Name:	mehcq_BusinessAcquisitionSharePriceAdditionalConsideration
Namespace Prefix:	mehcq_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Business Acquisition, Share Price, Upfront Cash Consideration

+ References

No definition available.

+ Details

Name:	mehcq_BusinessAcquisitionSharePriceUpfrontCashConsideration
Namespace Prefix:	mehcq_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Business Combination, Consideration Transferred, Proposed Commitment To Fund

+ References

No definition available.

+ Details

Name:	mehcq_BusinessCombinationConsiderationTransferredProposedCommitmentToFund
Namespace Prefix:	mehcq_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Number Of Independent Directors Appointed

+ References

No definition available.

+ Details

Name:	mehcq_NumberOfIndependentDirectorsAppointed
Namespace Prefix:	mehcq_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number Of Non-Employee Directors Resigning

+ References

No definition available.

+ Details

Name:	mehcq_NumberOfNonEmployeeDirectorsResigning
Namespace Prefix:	mehcq_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479907/805-20-50-5

+ Details

Name:	us-gaap_BusinessAcquisitionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

+ References

No definition available.

+ Details

Name:	us-gaap_BusinessAcquisitionSharePrice
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of accumulated undistributed earnings (deficit).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(30)(a)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481372/852-10-55-10

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 40
-Name Accounting Standards Codification
-Section 65
-Paragraph 2
-Subparagraph (g)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480016/944-40-65-2

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 40
-Name Accounting Standards Codification
-Section 65
-Paragraph 2
-Subparagraph (h)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480016/944-40-65-2

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480990/946-20-50-11

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(23)(a)(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(17))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1

Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

+ Details

Name:	us-gaap_RetainedEarningsAccumulatedDeficit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_BusinessAcquisitionAxis=mehcq_PreliminaryProposalToAcquire23andMeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=mehcq_February20ProposalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=mehcq_NewMountainCapitalL.L.CAndAnneWojcickiMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=mehcq_NonBindingProposalMarch22025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=mehcq_Ms.WojcickiMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=mehcq_March6ProposalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=mehcq_March10ProposalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Organization and Description of Business (Details) $ / shares in Units, $ in Thousands	Mar. 06, 2025 USD ($) $ / shares	Mar. 31, 2025 USD ($)	Mar. 02, 2025 $ / shares	Feb. 20, 2025 $ / shares	Oct. 29, 2024 independent_director	Sep. 17, 2024 nonemployee_Director	Jul. 29, 2024 $ / shares	Mar. 31, 2024 USD ($)
Business Acquisition [Line Items]
Number of non-employee resigning directors \| nonemployee_Director						7
Number of independent directors appointed \| independent_director					3
Accumulated deficit \| $		$ (2,453,973)						$ (2,173,088)
Preliminary Proposal
Business Acquisition [Line Items]
Business acquisition, share price (in usd per share)							$ 0.40
February 20 Proposal \| New Mountain Capital L.L.C and Anne Wojcicki
Business Acquisition [Line Items]
Business acquisition, share price (in usd per share)				$ 2.53
Non-Binding Proposal on March 2025 \| Anne Wojcicki
Business Acquisition [Line Items]
Business acquisition, share price (in usd per share)			$ 0.41
March 6 Proposal \| Anne Wojcicki
Business Acquisition [Line Items]
Business acquisition, share price (in usd per share)	$ 2.94
Upfront cash consideration (in usd per share)	0.41
Additional convertible price (in usd per share)	$ 2.53
March 10 Proposal \| Anne Wojcicki
Business Acquisition [Line Items]
Potential transaction rate	7.00%
Additional consideration \| $	$ 20,000