Document and Entity Information - shares shares in Millions	6 Months Ended
	Jun. 30, 2022	Jul. 31, 2022
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2022
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2
Entity Registrant Name	ContextLogic Inc.
Entity Central Index Key	0001822250
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Shell Company	false
Entity Small Business	false
Entity Emerging Growth Company	false
Title of 12(b) Security	Class A Common Stock, $0.0001 par value
Trading Symbol	WISH
Security Exchange Name	NASDAQ
Entity File Number	001-39775
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	27-2930953
Entity Address, Address Line One	One Sansome Street 33rd Floor
Entity Address, City or Town	San Francisco
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94104
City Area Code	415
Local Phone Number	432-7323
Document Quarterly Report	true
Document Transition Report	false
Class A Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		609
Class B Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		61