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Clearing Operations - Assets Pledged by Clearing Members (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Original Margin
Original margin:
Government securities at face value	$ 89,024	$ 80,660
Letters of credit	3,262	4,391
Emissions certificates at fair value	1,204	585
ICE NGX cash deposits	734	723
Total	94,224	86,359
Guaranty Fund
Guaranty fund:
Government securities at face value	3,026	2,417
ICE Clear Europe | Original Margin
Original margin:
Government securities at face value	35,378	33,884
Letters of credit	0	0
Emissions certificates at fair value	1,204	585
ICE NGX cash deposits	0	0
Total	36,582	34,469
ICE Clear Europe | Guaranty Fund
Guaranty fund:
Government securities at face value	681	747
ICE Clear Credit | Original Margin
Original margin:
Government securities at face value	38,490	31,590
Letters of credit	0	0
Emissions certificates at fair value	0	0
ICE NGX cash deposits	0	0
Total	38,490	31,590
ICE Clear Credit | Guaranty Fund
Guaranty fund:
Government securities at face value	1,998	1,389
ICE Clear U.S. | Original Margin
Original margin:
Government securities at face value	15,156	15,186
Letters of credit	0	0
Emissions certificates at fair value	0	0
ICE NGX cash deposits	0	0
Total	15,156	15,186
ICE Clear U.S. | Guaranty Fund
Guaranty fund:
Government securities at face value	347	281
ICE NGX | Original Margin
Original margin:
Government securities at face value	0	0
Letters of credit	3,262	4,391
Emissions certificates at fair value	0	0
ICE NGX cash deposits	734	723
Total	3,996	5,114
ICE NGX | Guaranty Fund
Guaranty fund:
Government securities at face value	$ 0	$ 0

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Guaranty Fund [Abstract]

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NGX Cash Deposits

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Original Margin [Abstract]

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Total guaranty fund

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Total original margin

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 944
-SubTopic 605
-Name Accounting Standards Codification
-Section 55
-Paragraph 15
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477548/944-605-55-15

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 944
-SubTopic 605
-Name Accounting Standards Codification
-Section 55
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477548/944-605-55-12

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Debt (bills, notes or bonds) that are issued by the government of the United States which are short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months.

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