Clearing Operations - Guaranty Fund Contributions (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Clearing Organizations [Line Items]
ICE Clearing House Portion of Guaranty Fund Contribution	$ 253	$ 254
ICE Exchange Portion of Guaranty Fund Contribution	67
ICE Clear Europe
Clearing Organizations [Line Items]
ICE Clearing House Portion of Guaranty Fund Contribution	150	150
ICE Exchange Portion of Guaranty Fund Contribution	56
ICE Clear U.S.
Clearing Organizations [Line Items]
ICE Clearing House Portion of Guaranty Fund Contribution	50	50
ICE Exchange Portion of Guaranty Fund Contribution	11
ICE Clear Credit
Clearing Organizations [Line Items]
ICE Clearing House Portion of Guaranty Fund Contribution	50	50
ICE Exchange Portion of Guaranty Fund Contribution	0
ICE Clear Netherlands
Clearing Organizations [Line Items]
ICE Clearing House Portion of Guaranty Fund Contribution	2	2
ICE Exchange Portion of Guaranty Fund Contribution	0
ICE Clear Singapore
Clearing Organizations [Line Items]
ICE Clearing House Portion of Guaranty Fund Contribution	1	1
ICE Exchange Portion of Guaranty Fund Contribution	0
ICE NGX
Clearing Organizations [Line Items]
ICE Exchange Portion of Guaranty Fund Contribution	0
ICE Clear Canada
Clearing Organizations [Line Items]
ICE Clearing House Portion of Guaranty Fund Contribution		$ 1
ICE Exchange Portion of Guaranty Fund Contribution	$ 0