Clearing Operations - Narrative (Details) € in Millions	1 Months Ended	12 Months Ended
	Sep. 30, 2025	Dec. 31, 2025 USD ($) clearing_house	Dec. 31, 2025 EUR (€)	Dec. 31, 2024 USD ($)
Principal Transaction Revenue [Line Items]
Number of clearing houses | clearing_house		6
Margin deposits and guaranty funds assets received or pledged		$ 170,100,000,000		$ 173,100,000,000
Default insurance term (in years)	3 years
Default insurance		400,000,000		400,000,000
ICE Clear U.S.
Principal Transaction Revenue [Line Items]
Default insurance		25,000,000		25,000,000
Committed repo		250,000,000
ICE Clear Europe
Principal Transaction Revenue [Line Items]
Default insurance		100,000,000		100,000,000
Committed repo		1,000,000,000.0
ICE Clear Europe | Currency Swap
Principal Transaction Revenue [Line Items]
Outstanding foreign currency swaps		0
ICE Clear Credit
Principal Transaction Revenue [Line Items]
Default insurance		75,000,000		75,000,000
Committed repo		300,000,000	€ 250
Committed FX facilities | €			1,900
ICE NGX
Principal Transaction Revenue [Line Items]
Default insurance		200,000,000		$ 200,000,000
Guaranty fund		215,000,000
Cash deposits		15,000,000
Committed liquidity capital		30,000,000
Daylight liquidity		100,000,000
Contribution off own cash to guaranty fund, first loss amount		15,000,000
ICE NGX | Canadian Chartered Bank
Principal Transaction Revenue [Line Items]
Daylight liquidity		200,000,000
ICE NGX | Letter of Credit
Principal Transaction Revenue [Line Items]
Face amount		200,000,000
Additional losses under insurance policy		$ 200,000,000
ICE Clear Netherlands
Principal Transaction Revenue [Line Items]
Committed FX facilities | €			€ 10