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Intangible Assets And Goodwill | 9 Months Ended
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Sep. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets And Goodwill | Intangible Assets and Goodwill Intangible assets consisted of the following at September 30, 2025 and December 31, 2024:
|  | September 30, 2025 |  | December 31, 2024
(in millions) |  | Assigned Value |  | Accumulated Amortization |  |  |  | Net Book Value |  | Assigned Value |  | Accumulated Amortization |  |  |  | Net Book Value
Amortizable Intangible Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Clearing firm, market data and other customer relationships |  | $ | 4,705.0 |  |  | $ | (2,504.5) |  |  |  |  | $ | 2,200.5 |  |  | $ | 4,683.5 |  |  | $ | (2,334.4) |  |  |  |  | $ | 2,349.1 |
Technology-related intellectual property |  | 62.5 |  |  | (62.5) |  |  |  |  | — |  |  | 62.5 |  |  | (62.5) |  |  |  |  | — |
Other |  | 73.8 |  |  | (56.5) |  |  |  |  | 17.3 |  |  | 71.1 |  |  | (48.6) |  |  |  |  | 22.5 |
Total amortizable intangible assets |  | $ | 4,841.3 |  |  | $ | (2,623.5) |  |  |  |  | $ | 2,217.8 |  |  | $ | 4,817.1 |  |  | $ | (2,445.5) |  |  |  |  | $ | 2,371.6 |
Indefinite-Lived Intangible Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trade names |  |  |  |  |  |  |  | 450.0 |  |  |  |  |  |  |  |  | 450.0 |
Total intangible assets – other, net |  |  |  |  |  |  |  | $ | 2,667.8 |  |  |  |  |  |  |  |  | $ | 2,821.6 |
Trading products (1) |  |  |  |  |  |  |  | $ | 17,175.3 |  |  |  |  |  |  |  |  | $ | 17,175.3 |
(1)Trading products represent futures and options products acquired in our business combinations with CBOT Holdings, Inc., NYMEX Holdings, Inc. and The Board of Trade of Kansas City, Missouri, Inc. Clearing and transaction fees are generated through the trading of these products. These trading products, most of which have traded for decades, require authorization from the Commodity Futures Trading Commission (CFTC). Product authorizations from the CFTC have no term limits. Total amortization expense for intangible assets was $56.2 million and $55.7 million for the quarters ended September 30, 2025 and 2024, respectively. Total amortization expense for intangible assets was $167.5 million and $166.4 million for the nine months ended September 30, 2025 and 2024, respectively. During the nine months ended September 30, 2025, the net book value of amortizable intangible assets included $13.6 million of foreign currency translation for the period. As of September 30, 2025, the future estimated amortization expense related to amortizable intangible assets is expected to be as follows:
(in millions) | Amortization Expense
Remainder of 2025 | $ | 55.8 |
2026 | 223.1 |
2027 | 221.8 |
2028 | 215.1 |
2029 | 215.1 |
2030 | 215.1 |
Thereafter | 1,071.8 |
Goodwill activity consisted of the following for the periods ended September 30, 2025 and December 31, 2024:
(in millions) |  | Goodwill
Balance at December 31, 2023 |  | $ | 10,495.3 |
Foreign currency translation |  | (8.4) |
Balance at December 31, 2024 |  | 10,486.9 |
Foreign currency translation |  | 27.6 |
Balance at September 30, 2025 |  | $ | 10,514.5 |

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-30/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-20/tableOfContent + Details
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