Clearing Operations - Separate Cash Accounts (Details) € in Millions, $ in Millions, £ in Billions	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2024 GBP (£)	Dec. 31, 2023 GBP (£)	Dec. 31, 2023 EUR (€)
Clearing Organizations [Line Items]
Cash and cash equivalent margin deposits and guaranty funds	$ 82,149	$ 78,980
Invested deposits, delivery contracts receivable and unsettled variation margin	2,163	1,814
ICE NGX
Clearing Organizations [Line Items]
Cash deposits	15
National Bank Account | ICE Clear Europe
Clearing Organizations [Line Items]
Cash and cash equivalent margin deposits and guaranty funds	4,817	5,819
National Bank Account | ICE Clear Credit
Clearing Organizations [Line Items]
Cash and cash equivalent margin deposits and guaranty funds	20,369	22,754
Reverse repo | ICE Clear Europe
Clearing Organizations [Line Items]
Cash and cash equivalent margin deposits and guaranty funds	37,276	32,695
Reverse repo | ICE Clear Credit
Clearing Organizations [Line Items]
Cash and cash equivalent margin deposits and guaranty funds	4,089	5,381
Reverse repo | ICE Clear U.S.
Clearing Organizations [Line Items]
Cash and cash equivalent margin deposits and guaranty funds	7,382	4,955
Sovereign debt | ICE Clear Europe
Clearing Organizations [Line Items]
Cash and cash equivalent margin deposits and guaranty funds	4,515	3,745
Sovereign debt | ICE Clear U.S.
Clearing Organizations [Line Items]
Cash and cash equivalent margin deposits and guaranty funds	347	347
Demand deposits | ICE Clear Europe
Clearing Organizations [Line Items]
Cash and cash equivalent margin deposits and guaranty funds	648	40
Demand deposits | ICE Clear Credit
Clearing Organizations [Line Items]
Cash and cash equivalent margin deposits and guaranty funds	2,697	3,235
Demand deposits | Other ICE Clearing Houses
Clearing Organizations [Line Items]
Cash and cash equivalent margin deposits and guaranty funds	9	9
Unsettled variation margin and delivery contracts receivable | ICE NGX
Clearing Organizations [Line Items]
Invested deposits, delivery contracts receivable and unsettled variation margin	1,639	1,584
Invested deposits - sovereign debt | ICE Clear Europe
Clearing Organizations [Line Items]
Invested deposits, delivery contracts receivable and unsettled variation margin	524	230
Cash Deposit Based On Euro/US Dollar Exchange Rate | De Nederlandsche Bank | ICE Clear Europe
Clearing Organizations [Line Items]
Cash deposits		$ 12			€ 11
Exchange Rate to USD		1.1037
Cash Deposit Based On Euro/US Dollar Exchange Rate | Bank of England | ICE Clear Europe
Clearing Organizations [Line Items]
Cash deposits		$ 11			€ 10
Cash Deposit Based On Pound Sterling/US Dollar Exchange Rate | Bank of England | ICE Clear Europe
Clearing Organizations [Line Items]
Cash deposits	$ 4,800	$ 5,800	£ 3.8	£ 4.6
Exchange Rate to USD	1.2514	1.2732