No definition available.

Name:	pmgm_FairValueOfTransfersBetweenLevels
Namespace Prefix:	pmgm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Exercise price per share or per unit of warrants or rights outstanding.

No definition available.

Name:	pmgm_FairValueOfWarrant
Namespace Prefix:	pmgm_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

The amount of gain (loss) on the change in fair value of the Sponsor Working Capital Loans.

No definition available.

Name:	pmgm_GainLossOnChangeInFairValueOfSponsorWorkingCapitalLoans
Namespace Prefix:	pmgm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The amount of gain(loss) in connection with changes in the fair value of warrant liabilities.

No definition available.

Name:	pmgm_GainLossOnChangesInFairValueOfWarrantLiabilities
Namespace Prefix:	pmgm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Exercise price per share or per unit of warrants or rights outstanding.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-3

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-3

Priveterra Acquisition Corp. II 10-Q