| Cover | Aug. 23, 2021 |
| Affiliate, Collateralized Security [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Aug. 23, 2021 |
| Entity File Number | 001-39384 |
| Entity Registrant Name | D8 Holdings Corp. |
| Entity Central Index Key | 0001812173 |
| Entity Incorporation, State or Country Code | E9 |
| Entity Address, Address Line One | Unit 1008 |
| Entity Address, Address Line Two | 10/F Champion Tower |
| Entity Address, Address Line Three | 3 Garden Road |
| Entity Address, City or Town | Central |
| Entity Address, Country | HK |
| Entity Address, Postal Zip Code | N/A |
| City Area Code | +852 |
| Local Phone Number | 3973 5500 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Units, each consisting of one share of Class A ordinary share, par value $0.0001, and one-half of one redeemable warrant | |
| Affiliate, Collateralized Security [Line Items] | |
| Title of 12(b) Security | Units, each consisting of one share of Class A ordinary share, par value $0.0001, and one-half of one redeemable warrant |
| Trading Symbol | DEH.U |
| Class A ordinary shares, par value $0.0001 | |
| Affiliate, Collateralized Security [Line Items] | |
| Title of 12(b) Security | Class A ordinary shares, par value $0.0001 |
| Trading Symbol | DEH |
| Redeemable warrants, each warrant exercisable for one Class A ordinary share, each at an exercise price of $11.50 per share | |
| Affiliate, Collateralized Security [Line Items] | |
| Title of 12(b) Security | Redeemable warrants, each warrant exercisable for one Class A ordinary share, each at an exercise price of $11.50 per share |
| Trading Symbol | DEH WS |
