XML 36 R26.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Fair Value Measurements (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2024
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
Financial instruments measured at fair value on a recurring basis | The following table presents financial instruments measured at fair value on a recurring basis:
|  | March 31, 2024
(in millions) |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets at Fair Value: |  |  |  |  |  |  |  |
Marketable securities: |  |  |  |  |  |  |  |
Corporate debt securities |  | $ | 10.0 |  |  | $ | — |  |  | $ | — |  |  | $ | 10.0 |
Mutual funds |  | 110.8 |  |  | — |  |  | — |  |  | 110.8 |
Equity securities |  | 0.2 |  |  | — |  |  | — |  |  | 0.2 |
Total Marketable Securities |  | 121.0 |  |  | — |  |  | — |  |  | 121.0 |
Total Assets at Fair Value |  | $ | 121.0 |  |  | $ | — |  |  | $ | — |  |  | $ | 121.0 |
Fair value of Debt Instruments | At March 31, 2024, the fair values were as follows:
(in millions) | Fair Value |  | Level
$750.0 million fixed rate notes due March 2025 | 734.9 |  |  | Level 2
$500.0 million fixed rate notes due June 2028 | 485.8 |  |  | Level 2
$750.0 million fixed rate notes due March 2032 | 650.3 |  |  | Level 2
$750.0 million fixed rate notes due September 2043 | 758.6 |  |  | Level 2
$700.0 million fixed rate notes due June 2048 | 615.3 |  |  | Level 2

X
- Definition [Table Text Block] for Fair value of Debt Instruments [Table] + References No definition available. + Details
Name: | cme_FairvalueofDebtInstrumentsTableTextBlock
Namespace Prefix: | cme_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure of the fair value measurement of assets and liabilities, which includes financial instruments measured at fair value that are classified in shareholders' equity, which may be measured on a recurring or nonrecurring basis. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 820 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/820/tableOfContent + Details
Name: | us-gaap_FairValueMeasurementInputsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration