Clearing Operations - Assets Pledged by Clearing Members (Details) - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Original Margin
Original margin:
Government securities at face value	$ 50,004	$ 53,085
Letters of credit	2,143	2,556
ICE NGX cash deposits	407	605
Total	52,554	56,246
Guaranty Fund
Guaranty fund:
Government securities at face value	874	1,174
ICE Clear Europe | Original Margin
Original margin:
Government securities at face value	27,353	29,887
Letters of credit	0	0
ICE NGX cash deposits	0	0
Total	27,353	29,887
ICE Clear Europe | Guaranty Fund
Guaranty fund:
Government securities at face value	371	654
ICE Clear Credit | Original Margin
Original margin:
Government securities at face value	12,819	12,990
Letters of credit	0	0
ICE NGX cash deposits	0	0
Total	12,819	12,990
ICE Clear Credit | Guaranty Fund
Guaranty fund:
Government securities at face value	232	256
ICE Clear US | Original Margin
Original margin:
Government securities at face value	9,832	10,208
Letters of credit	0	0
ICE NGX cash deposits	0	0
Total	9,832	10,208
ICE Clear US | Guaranty Fund
Guaranty fund:
Government securities at face value	271	264
ICE NGX | Original Margin
Original margin:
Government securities at face value	0	0
Letters of credit	2,143	2,556
ICE NGX cash deposits	407	605
Total	2,550	3,161
ICE NGX | Guaranty Fund
Guaranty fund:
Government securities at face value	$ 0	$ 0