| Document and Entity Information | Oct. 27, 2021 |
| Document And Entity Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Oct. 27, 2021 |
| Entity Registrant Name | GORES METROPOULOS II, INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-39907 |
| Entity Tax Identification Number | 85-2097088 |
| Entity Address, Address Line One | 6260 Lookout Road |
| Entity Address, City or Town | Boulder |
| Entity Address, State or Province | CO |
| Entity Address, Postal Zip Code | 80301 |
| City Area Code | 303 |
| Local Phone Number | 531-3100 |
| Written Communications | true |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Amendment Flag | false |
| Entity Central Index Key | 0001819395 |
| Units, each consisting of one share of Class A common stock and one-fifth of one warrant [Member] | |
| Document And Entity Information [Line Items] | |
| Title of 12(b) Security | Units, each consisting of one share of Class A common stock and one-fifth of one warrant |
| Trading Symbol | GMIIU |
| Security Exchange Name | NASDAQ |
| Class A common stock, par value $0.0001 per share [Member] | |
| Document And Entity Information [Line Items] | |
| Title of 12(b) Security | Class A common stock, par value $0.0001 per share |
| Trading Symbol | GMII |
| Security Exchange Name | NASDAQ |
| Warrants, each whole warrant exercisable for one share of Class A common stock at an exercise price of $11.50 per share [Member] | |
| Document And Entity Information [Line Items] | |
| Title of 12(b) Security | Warrants, each whole warrant exercisable for one share of Class A common stock at an exercise price of $11.50 per share |
| Trading Symbol | GMIIW |
| Security Exchange Name | NASDAQ |
