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Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2024

Earnings Per Share [Abstract]

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

Anti-dilutive stock awards were as follows for the periods presented:

									Quarter Ended March 31,
(in thousands)															2024						2023
Stock awards															46						160
Total															46						160

Basic And Diluted Earnings Per Share

The following table presents the earnings per share calculation for the periods presented:

												Quarter Ended March 31,
																		2024						2023
Net Income (in millions)																		$	855.2					$	883.8
Less: preferred stock dividends																		(5.3)						(5.0)
Less: undistributed earnings allocated to preferred stock																		(5.5)						(6.1)
Net Income Attributable to Common Shareholders of CME Group																		$	844.4					$	872.7
Weighted Average Number of Common Shares (in thousands):
Basic																		359,258						358,933
Effect of stock options, restricted stock and performance shares																		575						380
Diluted																		359,833						359,313
Earnings per Common Share Attributable to Common Shareholders of CME Group:
Basic																		$	2.35					$	2.43
Diluted																		2.35						2.43

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- References

No definition available.

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- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

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