| Document And Entity Information | May 08, 2024 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | May 08, 2024 |
| Entity Registrant Name | ContextLogic Inc. |
| Entity Central Index Key | 0001822250 |
| Entity Emerging Growth Company | false |
| Entity File Number | 001-39775 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 27-2930953 |
| Entity Address, Address Line One | 2648 International Blvd., Ste 115 |
| Entity Address, City or Town | Oakland |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94601 |
| City Area Code | (415) |
| Local Phone Number | 965-8476 |
| Entity Information, Former Legal or Registered Name | N/A |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Preferred Stock Purchase Rights [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Preferred Stock Purchase Rights |
| No Trading Symbol Flag | true |
| Security Exchange Name | NASDAQ |
| Class Common Stock0.0001 Par Value Member | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Class A Common Stock, $0.0001 par value |
| Trading Symbol | WISH |
| Security Exchange Name | NASDAQ |
