Basis of Presentation (Policies)	9 Months Ended
Sep. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	The accompanying interim unaudited condensed consolidated financial statements of Dun & Bradstreet Holdings, Inc. and its subsidiaries ("we" or "us" or "our" or the "Company") were prepared in conformity with accounting principles generally accepted in the United States of America ("GAAP"). They should be read in conjunction with the consolidated financial statements and related notes, which appear in the consolidated financial statements for the year ended December 31, 2021, included in our Annual Report on Form 10-K and filed with the Securities and Exchange Commission ("SEC") on February 24, 2022. The unaudited condensed consolidated financial statements for interim periods do not include all disclosures required by GAAP for annual financial statements and are not necessarily indicative of results for the full year or any subsequent period. In the opinion of our management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair statement of the unaudited consolidated financial position, results of operations and cash flows at the dates and for the periods presented have been included.
Segment Reporting	We manage our business and report our financial results through the following two segments: •North America offers Finance & Risk and Sales & Marketing data, analytics and business insights in the United States and Canada; and •International offers Finance & Risk and Sales & Marketing data, analytics and business insights directly in the United Kingdom and Ireland ("U.K."), Nordics (Sweden, Norway, Denmark and Finland), DACH (Germany, Austria and Switzerland) and CEE (Central and Eastern Europe) countries ("Europe"), Greater China, India and indirectly through our Worldwide Network alliances ("WWN alliances"). All intercompany transactions and balances have been eliminated in consolidation.
Use of Estimates	Our unaudited condensed consolidated financial statements presented herein reflect the latest estimates and assumptions made by management that affect the reported amounts of assets and liabilities and related disclosures as of the date of the unaudited consolidated financial statements and reported amounts of revenue and expenses during the reporting periods presented. We continue to closely monitor the ongoing impact of the novel coronavirus ("COVID-19") and its variants on our business and geographic locations. While we continue to expect the impact of COVID-19 to global businesses to moderate, there still remains uncertainty regarding its duration and the speed and nature of recovery. In addition, the ongoing conflict between Russia and Ukraine, which started in February 2022, has further exacerbated uncertainty in the global economy resulting from disruptions in supply chains and government sanctions. The extent of the impact of COVID-19 and the current Russia/Ukraine conflict on our operations and financial performance will depend on, among many factors, the duration of the pandemic, the continuation of the Russia/Ukraine conflict, the government mandates or guidance regarding COVID-19 restrictions and their effects on global market conditions and on our clients and vendors, which continue to be uncertain at this time and cannot be predicted. The ongoing uncertainty may affect management's estimates and assumptions of variable consideration in contracts with clients as well as other estimates and assumptions, in particular those that require a projection of our financial results, our cash flows or broader economic conditions.
Recently Adopted Accounting Pronouncements and Recently Issued Accounting Pronouncements	Recently Adopted Accounting Pronouncements In October 2021, the FASB issued ASU No. 2021-08, "Business Combinations (Topic 805) Accounting for Contract Assets and Contract Liabilities from Contracts with Customers." The amendments require an acquirer to recognize and measure contract assets and contract liabilities in a business combination based on the guidance of ASU No. 2014-09, "Revenue from Contracts with Customers (Topic 606)" rather than fair value. For public business entities, the amendments in this update are effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2022. Early adoption of this ASU is permitted, including adoption in an interim period. If early adopted, the amendments are applied retrospectively to all business combinations for which the acquisition date occurred during the fiscal year of adoption. We early adopted this update during the fourth quarter of 2021. As a result of the adoption of this update, no fair value adjustments were made to the acquired deferred revenue balances for acquisitions completed in 2021. See Note 15 for further detail. Recently Issued Accounting Pronouncements In March 2020, the FASB issued ASU No. 2020-04 "Facilitation of the Effects of Reference Rate Reform on Financial Reporting" to provide temporary optional expedients and exceptions to the U.S. GAAP guidance on contract modifications and hedge accounting to ease the financial reporting burdens related to the expected market transition from the London Interbank Offered Rate ("LIBOR") to alternative reference rates. In January 2021, the FASB issued ASU 2021-01, “Reference Rate Reform - Scope,” which clarified the scope and application of the original guidance in ASU No. 2020-04. Both ASUs were effective upon issuance, and the Company may elect to apply the amendments prospectively through December 31, 2022 as the transition from LIBOR is completed. On April 20, 2022, the FASB issued a proposed ASU that would extend the transition date to December 31, 2024.

Basis of Presentation (Policies)

9 Months Ended

Sep. 30, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

The accompanying interim unaudited condensed consolidated financial statements of Dun & Bradstreet Holdings, Inc. and its subsidiaries ("we" or "us" or "our" or the "Company") were prepared in conformity with accounting principles generally accepted in the United States of America ("GAAP"). They should be read in conjunction with the consolidated financial statements and related notes, which appear in the consolidated financial statements for the year ended December 31, 2021, included in our Annual Report on Form 10-K and filed with the Securities and Exchange Commission ("SEC") on February 24, 2022. The unaudited condensed consolidated financial statements for interim periods do not include all disclosures required by GAAP for annual financial statements and are not necessarily indicative of results for the full year or any subsequent period. In the opinion of our management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair statement of the unaudited consolidated financial position, results of operations and cash flows at the dates and for the periods presented have been included.

Segment Reporting

We manage our business and report our financial results through the following two segments:

•North America offers Finance & Risk and Sales & Marketing data, analytics and business insights in the United States and Canada; and

•International offers Finance & Risk and Sales & Marketing data, analytics and business insights directly in the United Kingdom and Ireland ("U.K."), Nordics (Sweden, Norway, Denmark and Finland), DACH (Germany, Austria and Switzerland) and CEE (Central and Eastern Europe) countries ("Europe"), Greater China, India and indirectly through our Worldwide Network alliances ("WWN alliances").

All intercompany transactions and balances have been eliminated in consolidation.

Use of Estimates

Our unaudited condensed consolidated financial statements presented herein reflect the latest estimates and assumptions made by management that affect the reported amounts of assets and liabilities and related disclosures as of the date of the unaudited consolidated financial statements and reported amounts of revenue and expenses during the reporting periods presented. We continue to closely monitor the ongoing impact of the novel coronavirus ("COVID-19") and its variants on our business and geographic locations. While we continue to expect the impact of COVID-19 to global businesses to moderate, there still remains uncertainty regarding its duration and the speed and nature of recovery. In addition, the ongoing conflict between Russia and Ukraine, which started in February 2022, has further exacerbated uncertainty in the global economy resulting from disruptions in supply chains and government sanctions. The extent of the impact of COVID-19 and the current Russia/Ukraine conflict on our operations and financial performance will depend on, among many factors, the duration of the pandemic, the continuation of the Russia/Ukraine conflict, the government mandates or guidance regarding COVID-19 restrictions and their effects on global market conditions and on our clients and vendors, which continue to be uncertain at this time and cannot be predicted. The ongoing uncertainty may affect management's estimates and assumptions of variable consideration in contracts with clients as well as other estimates and assumptions, in particular those that require a projection of our financial results, our cash flows or broader economic conditions.

Recently Adopted Accounting Pronouncements and Recently Issued Accounting Pronouncements

Recently Adopted Accounting Pronouncements

In October 2021, the FASB issued ASU No. 2021-08, "Business Combinations (Topic 805) Accounting for Contract Assets and Contract Liabilities from Contracts with Customers." The amendments require an acquirer to recognize and measure contract assets and contract liabilities in a business combination based on the guidance of ASU No. 2014-09, "Revenue from Contracts with Customers (Topic 606)" rather than fair value. For public business entities, the amendments in this update are effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2022. Early adoption of this ASU is permitted, including adoption in an interim period. If early adopted, the amendments are applied retrospectively to all business combinations for which the acquisition date occurred during the fiscal year of adoption. We early adopted this

update during the fourth quarter of 2021. As a result of the adoption of this update, no fair value adjustments were made to the acquired deferred revenue balances for acquisitions completed in 2021. See Note 15 for further detail.

Recently Issued Accounting Pronouncements

In March 2020, the FASB issued ASU No. 2020-04 "Facilitation of the Effects of Reference Rate Reform on Financial Reporting" to provide temporary optional expedients and exceptions to the U.S. GAAP guidance on contract modifications and hedge accounting to ease the financial reporting burdens related to the expected market transition from the London Interbank Offered Rate ("LIBOR") to alternative reference rates. In January 2021, the FASB issued ASU 2021-01, “Reference Rate Reform - Scope,” which clarified the scope and application of the original guidance in ASU No. 2020-04. Both ASUs were effective upon issuance, and the Company may elect to apply the amendments prospectively through December 31, 2022 as the transition from LIBOR is completed. On April 20, 2022, the FASB issued a proposed ASU that would extend the transition date to December 31, 2024.