Clearing Operations - Separate Cash Accounts (Details) € in Millions, $ in Millions, £ in Billions	3 Months Ended	12 Months Ended
	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020	Mar. 31, 2022 EUR (€)	Mar. 31, 2022 GBP (£)	Dec. 31, 2021 EUR (€)	Dec. 31, 2021 GBP (£)
Clearing Organizations [Line Items]
Cash deposits	$ 161,147	$ 145,936
Invested deposits, delivery contracts receivable and unsettled variation margin	3,776	4,493
Bank of England | ICE Clear Europe
Clearing Organizations [Line Items]
Cash deposits		4,000
Cash Deposit Based On Euro/US Dollar Exchange Rate | De Nederlandsche Bank | ICE Clear Europe
Clearing Organizations [Line Items]
Cash deposits	$ 50,500	53,700		€ 45,700		€ 47,200
Exchange rate to USD	1.1067		1.1372
Cash Deposit Based On Euro/US Dollar Exchange Rate | Bank of England | ICE Clear Europe
Clearing Organizations [Line Items]
Cash deposits	$ 11	11		€ 10		€ 10
Cash Deposit Based On Pound Sterling/US Dollar Exchange Rate | Bank of England | ICE Clear Europe
Clearing Organizations [Line Items]
Cash deposits	$ 4,400	$ 2,300			£ 3.3		£ 1.7
Exchange rate to USD	1.3141	1.3524
National bank account | ICE Clear Europe
Clearing Organizations [Line Items]
Cash deposits	$ 54,889	$ 59,948
National bank account | ICE Clear Credit
Clearing Organizations [Line Items]
Cash deposits	41,628	37,282
Reverse repo | ICE Clear Europe
Clearing Organizations [Line Items]
Cash deposits	39,575	25,518
Reverse repo | ICE Clear Credit
Clearing Organizations [Line Items]
Cash deposits	3,873	3,639
Reverse repo | ICE Clear U.S.
Clearing Organizations [Line Items]
Cash deposits	5,662	6,485
Sovereign debt | ICE Clear Europe
Clearing Organizations [Line Items]
Cash deposits	11,213	9,324
Sovereign debt | ICE Clear U.S.
Clearing Organizations [Line Items]
Cash deposits	1,375	1,075
Demand deposits | ICE Clear Europe
Clearing Organizations [Line Items]
Cash deposits	175	231
Demand deposits | ICE Clear Credit
Clearing Organizations [Line Items]
Cash deposits	2,688	2,403
Demand deposits | Other ICE Clearing Houses
Clearing Organizations [Line Items]
Cash deposits	69	31
Unsettled Variation Margin and Delivery Contracts Receivable/Payable | ICE NGX
Clearing Organizations [Line Items]
Invested deposits, delivery contracts receivable and unsettled variation margin	1,670	1,329
Invested deposits - sovereign debt | ICE Clear Europe
Clearing Organizations [Line Items]
Invested deposits, delivery contracts receivable and unsettled variation margin	$ 2,106	$ 3,164