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Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2021
Mar. 10, 2022
Jun. 30, 2021
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2021    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Document Annual Report true    
Document Transition Report false    
Trading Symbol KDNY    
Security Exchange Name NASDAQ    
Title of 12(b) Security Common Stock, par value $0.0001 per share    
Entity Interactive Data Current Yes    
Entity Registrant Name CHINOOK THERAPEUTICS, INC.    
Entity Central Index Key 0001435049    
Current Fiscal Year End Date --12-31    
Entity Filer Category Non-accelerated Filer    
Entity Shell Company false    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Common Stock, Shares Outstanding   54,951,079  
Entity Current Reporting Status Yes    
Entity File Number 001-37345    
Entity Tax Identification Number 94-3348934    
Entity Incorporation, State or Country Code DE    
Entity Address, Address Line One 400 Fairview Avenue North, Suite 900    
Entity Address, City or Town Seattle    
Entity Address, State or Province WA    
Entity Address, Postal Zip Code 98109    
City Area Code (206)    
Local Phone Number 485-7241    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
ICFR Auditor Attestation Flag false    
Entity Public Float     $ 460,117,610
Auditor Firm ID 238    
Auditor Name PricewaterhouseCoopers LLP    
Auditor Location Seattle, Washington, United States    
Documents Incorporated by Reference

DOCUMENTS INCORPORATED BY REFERENCE

 

Portions of the Registrant’s definitive proxy statement for its 2022 Annual Meeting of Stockholders, or the 2022 Proxy Statement, to be filed within 120 days of the Registrant’s fiscal year ended December 31, 2021, are incorporated by reference in Part III, Items 10 through 14 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 2022 Proxy Statement is not deemed to be filed as part hereof.