Clearing Operations - Assets Pledged by Clearing Members (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Original Margin
Original margin:
Government securities at face value	$ 55,953	$ 56,978
Letters of credit	2,184	2,469
ICE NGX cash deposits	260	362
Total	58,397	59,809
Guaranty Fund
Guaranty fund:
Government securities at face value	1,334	1,241
ICE Clear Europe | Original Margin
Original margin:
Government securities at face value	29,171	30,635
Letters of credit	0	0
ICE NGX cash deposits	0	0
Total	29,171	30,635
ICE Clear Europe | Guaranty Fund
Guaranty fund:
Government securities at face value	443	475
ICE Clear Credit | Original Margin
Original margin:
Government securities at face value	11,682	13,710
Letters of credit	0	0
ICE NGX cash deposits	0	0
Total	11,682	13,710
ICE Clear Credit | Guaranty Fund
Guaranty fund:
Government securities at face value	678	523
ICE Clear U.S. | Original Margin
Original margin:
Government securities at face value	15,100	12,633
Letters of credit	0	0
ICE NGX cash deposits	0	0
Total	15,100	12,633
ICE Clear U.S. | Guaranty Fund
Guaranty fund:
Government securities at face value	213	243
ICE NGX | Original Margin
Original margin:
Government securities at face value	0	0
Letters of credit	2,184	2,469
ICE NGX cash deposits	260	362
Total	2,444	2,831
ICE NGX | Guaranty Fund
Guaranty fund:
Government securities at face value	$ 0	$ 0