Clearing Operations - Narrative (Details) € in Millions	1 Months Ended		9 Months Ended
	Apr. 30, 2020 USD ($)	Sep. 30, 2019	Sep. 30, 2020 USD ($) clearingHouse	Sep. 30, 2020 EUR (€)	Dec. 31, 2019 USD ($)
Principal Transaction Revenue [Line Items]
Number of clearing houses | clearingHouse			6
Margin deposits and guaranty funds assets received or pledged			$ 162,100,000,000		$ 126,000,000,000.0
Default insurance term (in years)		3 years
Default insurance			250,000,000		250,000,000
Maximum exposure, undiscounted			142,000,000,000.0
ICE Clear U.S.
Principal Transaction Revenue [Line Items]
Contribution applicable to any losses associated with a default in Bitcoin contracts and other digital asset contracts			35,000,000
Default insurance					25,000,000
Committed repo			250,000,000
ICE Clear Europe
Principal Transaction Revenue [Line Items]
Guaranty fund contribution, increase	$ 4,000,000
Default insurance			75,000,000		75,000,000
Committed repo			1,000,000,000.0
ICE Clear Credit
Principal Transaction Revenue [Line Items]
Default insurance			50,000,000		50,000,000
Committed repo			300,000,000	€ 250
Committed FX facilities | €				1,900
ICE NGX
Principal Transaction Revenue [Line Items]
Default insurance			100,000,000		$ 100,000,000
First-loss amount			15,000,000
ICE Clear Netherlands
Principal Transaction Revenue [Line Items]
Committed FX facilities | €				€ 10
Letter of Credit | ICE NGX
Principal Transaction Revenue [Line Items]
Debt instrument, face amount			100,000,000
Additional losses under insurance policy			$ 100,000,000