XML 50 R35.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Performance Bonds and Guaranty Fund Contributions (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Performance Bonds and Guaranty Fund Contributions [Abstract] |
Cash and securities held as performance bonds and guaranty fund contributions at fair value | Cash and non-cash deposits held as performance bonds and guaranty fund contributions at fair value at December 31, 2024 and 2023 were as follows:
|  | 2024 |  | 2023
(in millions) |  | Cash |  | Non-Cash Deposits and IEF Funds (1) |  | Cash |  | Non-Cash Deposits and IEF Funds (1)
Performance bonds |  | $ | 96,036.4 |  |  | $ | 191,241.1 |  |  | $ | 87,285.5 |  |  | $ | 180,866.3 |
Guaranty fund contributions |  | 2,343.5 |  |  | 7,977.2 |  |  | 2,379.6 |  |  | 6,849.6 |
Cross-margin arrangements |  | 233.1 |  |  | 678.5 |  |  | 183.1 |  |  | 1,374.5 |
Other(2) |  | 282.4 |  |  | 2.1 |  |  | 344.3 |  |  | 2.1 |
Total |  | $ | 98,895.4 |  |  | $ | 199,898.9 |  |  | $ | 90,192.5 |  |  | $ | 189,092.5 |
Letters of credit | At December 31, 2024 and 2023, these letters of credit, which are not included in the accompanying consolidated balance sheets, were as follows:
(in millions) |  | 2024 |  | 2023
Performance bonds |  | $ | 4,254.8 |  |  | $ | 3,916.7 |
Performance bond collateral for delivery |  | 3,505.9 |  |  | 4,631.4 |
Total Letters of Credit |  | $ | 7,760.7 |  |  | $ | 8,548.1 |

X
- Definition Cash And Securities Held As Performance Bonds And Security Deposits At Fair Value [TextBlock] + References No definition available. + Details
Name: | cme_CashAndSecuritiesHeldAsPerformanceBondsAndSecurityDepositsAtFairValueTextblock
Namespace Prefix: | cme_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Performance Bonds and Guaranty Fund Contributions [Abstract] + References No definition available. + Details
Name: | cme_PerformanceBondsandGuarantyFundContributionsAbstract
Namespace Prefix: | cme_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of Letters of Credit. + References No definition available. + Details
Name: | cme_ScheduleOfLettersOfCreditTextBlock
Namespace Prefix: | cme_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration