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Cover Page - shares
3 Months Ended
Mar. 31, 2022
May 04, 2022
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2022  
Document Transition Report false  
Entity File Number 001-34820  
Entity Registrant Name KKR & CO. INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 26-0426107  
Entity Address, Address Line One 30 Hudson Yards  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10001  
City Area Code 212  
Local Phone Number 750-8300  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   592,607,251
Entity Central Index Key 0001404912  
Document Fiscal Year Focus 2022  
Current Fiscal Year End Date --12-31  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Common Stock    
Document Information [Line Items]    
Title of 12(b) Security Common Stock  
Trading Symbol KKR  
Security Exchange Name NYSE  
6.00% Series C Mandatory Convertible Preferred Stock    
Document Information [Line Items]    
Title of 12(b) Security 6.00% Series C Mandatory Convertible Preferred Stock  
Trading Symbol KKR PR C  
Security Exchange Name NYSE  
KKR Issued 4.625% Notes Due 2061    
Document Information [Line Items]    
Title of 12(b) Security 4.625% Subordinated Notes due 2061 of KKR Group Finance Co. IX LLC  
Trading Symbol KKRS  
Security Exchange Name NYSE