XML 12 R1.htm IDEA: XBRL DOCUMENT v3.19.2
Document and Entity Information - shares
 3 Months Ended
May 05, 2019
Jul. 11, 2019
Entity Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Period End Date May 05, 2019  
Fiscal Period Focus Q1  
Fiscal Year Focus 2019  
Entity Registrant Name CHEWY, INC.  
Entity Central Index Key 0001766502  
Current Fiscal Year End Date --02-02  
Entity Filer Category Non-accelerated Filer  
Emerging Growth Company false  
Entity Small Business false  
Entity Shell Company false  
Entity Current Reporting Status No  
Class A    
Entity Information [Line Items]    
Entity common Stock, Shares Outstanding   53,475,000
Class B    
Entity Information [Line Items]    
Entity common Stock, Shares Outstanding   345,125,000