Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Earnings Per Share [Abstract]
Net income (loss) attributable to Dun & Bradstreet Holdings, Inc.	$ (15.8)	$ (23.2)
Weighted average number of shares outstanding-basic (in shares)	433,314,677	431,555,922
Weighted average number of shares outstanding-diluted (in shares)	433,314,677	431,555,922
Earnings (loss) per share of common stock attributable to Dun & Bradstreet Holdings, Inc.:
Basic (in USD per share)	$ (0.04)	$ (0.05)
Diluted (in USD per share)	$ (0.04)	$ (0.05)
Antidilutive securities excluded from computation of EPS (in shares)	10,900,000	10,900,000

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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+ Details