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Clearing Operations - Schedule of Cash and Cash Equivalents (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Clearing Organizations [Line Items] |  |
Cash deposits | $ 83,607 | $ 82,149
Invested deposits, delivery contracts receivable and unsettled variation margin | 2,636 | 2,163
ICE NGX |  |
Clearing Organizations [Line Items] |  |
Cash deposits | 15 |
National bank account | ICE Clear Europe |  |
Clearing Organizations [Line Items] |  |
Cash deposits | 4,920 | 4,817
National bank account | ICE Clear Credit |  |
Clearing Organizations [Line Items] |  |
Cash deposits | 20,310 | 20,369
Reverse repo | ICE Clear Europe |  |
Clearing Organizations [Line Items] |  |
Cash deposits | 38,575 | 37,276
Reverse repo | ICE Clear Credit |  |
Clearing Organizations [Line Items] |  |
Cash deposits | 4,807 | 4,089
Reverse repo | ICE Clear U.S. |  |
Clearing Organizations [Line Items] |  |
Cash deposits | 8,236 | 7,382
Sovereign debt | ICE Clear Europe |  |
Clearing Organizations [Line Items] |  |
Cash deposits | 2,099 | 4,515
Sovereign debt | ICE Clear U.S. |  |
Clearing Organizations [Line Items] |  |
Cash deposits | 497 | 347
Demand deposits | ICE Clear Europe |  |
Clearing Organizations [Line Items] |  |
Cash deposits | 291 | 648
Demand deposits | ICE Clear Credit |  |
Clearing Organizations [Line Items] |  |
Cash deposits | 3,862 | 2,697
Demand deposits | Other ICE Clearing Houses |  |
Clearing Organizations [Line Items] |  |
Cash deposits | 10 | 9
Unsettled variation margin and delivery contracts receivable | ICE NGX |  |
Clearing Organizations [Line Items] |  |
Invested deposits, delivery contracts receivable and unsettled variation margin | 1,285 | 1,639
Invested deposits - sovereign debt | ICE Clear Europe |  |
Clearing Organizations [Line Items] |  |
Invested deposits, delivery contracts receivable and unsettled variation margin | $ 1,351 | $ 524

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