Equity Award Activity and Stock Based Compensation - Summary of Stock-Based Compensation Expense (Parenthetical) (Details) $ in Millions	6 Months Ended
Jun. 30, 2022 USD ($)
Share-based Payment Arrangement [Abstract]
Decrease in stock-based compensation expense	$ 47

Increase decrease in stock based compensation expenses

No definition available.

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Namespace Prefix:	wish_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration