Short-Term and Long-Term Restricted Cash, Cash Equivalents and Investments - Restricted Long and Short Term Portions (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Restricted Cash and Cash Equivalent Item [Line Items]
Short-term restricted cash and cash equivalents	$ 748	$ 1,142	$ 531
Total short-term restricted cash, cash equivalents and investments	1,377	1,736
Long-term restricted cash and cash equivalents	240	368	$ 340
Total long-term restricted cash, cash equivalents and investments	381	370
Total restricted cash, cash equivalents and investments	1,758	2,106
Short-term restricted investments	629	594
Long-term restricted investments	141	2
ICE Futures Europe
Restricted Cash and Cash Equivalent Item [Line Items]
Short-term restricted cash and cash equivalents	130	125
ICE Clear Europe
Restricted Cash and Cash Equivalent Item [Line Items]
Short-term restricted cash and cash equivalents	870	755
CFTC Regulated Entities
Restricted Cash and Cash Equivalent Item [Line Items]
Short-term restricted cash and cash equivalents	289	290
Other Regulated Entities
Restricted Cash and Cash Equivalent Item [Line Items]
Short-term restricted cash and cash equivalents	77	56
Other
Restricted Cash and Cash Equivalent Item [Line Items]
Short-term restricted cash and cash equivalents	11	510
ICE Clearing House Portion of the Guaranty Fund Contribution
Restricted Cash and Cash Equivalent Item [Line Items]
Long-term restricted cash and cash equivalents	$ 381	$ 370