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Cover Page - USD ($)
 12 Months Ended
Dec. 31, 2023
Feb. 16, 2024
Jun. 30, 2023
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2023    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 1-39361    
Entity Registrant Name Dun & Bradstreet Holdings, Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 83-2008699    
Entity Address, Address Line One 5335 Gate Parkway    
Entity Address, City or Town Jacksonville    
Entity Address, State or Province FL    
Entity Address, Postal Zip Code 32256    
City Area Code 904    
Local Phone Number 648-8006    
Title of 12(b) Security Common Stock, $0.0001 par value    
Trading Symbol DNB    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
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    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction Flag false    
Entity Shell Company false    
Entity Public Float     $ 3,102,238,785
Entity Common Stock, Shares Outstanding   438,796,038  
Documents Incorporated by Reference
The information in Part III hereof is incorporated by reference to certain information from the registrant's definitive proxy statement for the 2023 annual meeting of shareholders. The registrant intends to file the proxy statement within 120 days after the close of the fiscal year that is the subject of this Report.
    
Amendment Flag false    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY    
Entity Central Index Key 0001799208