XML 13 R1.htm IDEA: XBRL DOCUMENT v3.22.4
Cover - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Feb. 16, 2023
Jun. 30, 2022
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2022    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-40994    
Entity Registrant Name NerdWallet, Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 45-4180440    
Entity Address, Address Line One 55 Hawthorne St.    
Entity Address, Address Line Two 11th Floor    
Entity Address, City or Town San Francisco    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 94105    
City Area Code 415    
Local Phone Number 549-8913    
Title of 12(b) Security Class A common stock, $.0001 par value    
Trading Symbol NRDS    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
ICFR Auditor Attestation Flag false    
Entity Shell Company false    
Entity Public Float     $ 213
Documents Incorporated by Reference Portions of the registrant’s definitive proxy statement for its 2023 Annual Meeting of Stockholders (the “Proxy Statement”), to be filed within 120 days of the registrant’s fiscal year ended December 31, 2022, are incorporated by reference in Part III of this Annual Report on Form 10-K. Except with respect to information specifically incorporated by reference in this Annual Report on Form 10-K, the Proxy Statement is not deemed to be filed as part of this Annual Report on Form 10-K.    
Amendment Flag false    
Entity Central Index Key 0001625278    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2022    
Common Class A      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   44,156,145  
Common Class B      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   31,685,652