| Document and Entity Information | Nov. 12, 2021 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Nov. 12, 2021 |
| Entity Registrant Name | SKYDECK ACQUISITION CORP. |
| Entity Central Index Key | 0001847152 |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Entity File Number | 001-40422 |
| Entity Incorporation, State or Country Code | E9 |
| Entity Tax Identification Number | 98-1583722 |
| Entity Address, Address Line One | 225 Dyer Street |
| Entity Address, Address Line Two | 2nd Floor |
| Entity Address, City or Town | Providence |
| Entity Address, State or Province | RI |
| Entity Address, Postal Zip Code | 02903 |
| City Area Code | 401 |
| Local Phone Number | 854-4567 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Units | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Units, each consisting of one Class A ordinary share, $0.0001 par value, and one-third of one redeemable warrant |
| Trading Symbol | SKYAU |
| Security Exchange Name | NASDAQ |
| Class A Ordinary Shares | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Class A ordinary shares included as part of the units |
| Trading Symbol | SKYA |
| Security Exchange Name | NASDAQ |
| Warrant | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Warrants included as part of the units, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 |
| Trading Symbol | SKYAW |
| Security Exchange Name | NASDAQ |
