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v3.19.3

Clearing Operations - Cash as Collateral with NGX (Details) - Sep. 30, 2019 - ICE NGX $ in Millions, $ in Millions | USD ($) | CAD ($)
--- | --- | ---
Clearing Organizations [Line Items] |  |
Daylight liquidity facility | $ 227 | $ 300
Overdraft facility | 15 | 20
Total | $ 242 | $ 320

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- Definition Cash Held In Trust + References No definition available. + Details
Name: | ice_CashHeldInTrust
Namespace Prefix: | ice_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Clearing Organizations [Line Items] + References No definition available. + Details
Name: | ice_ClearingOrganizationsLineItems
Namespace Prefix: | ice_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Daylight Liquidity + References No definition available. + Details
Name: | ice_DaylightLiquidity
Namespace Prefix: | ice_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Overdraft Facility + References No definition available. + Details
Name: | ice_OverdraftFacility
Namespace Prefix: | ice_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | dei_LegalEntityAxis=ice_NGXMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |