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v3.19.3

Clearing Operations - Guaranty Fund Contributions and Default Insurance (Details) - USD ($) $ in Millions | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Clearing Organizations [Line Items] |  |
ICE Portion of Guaranty Fund Contribution | $ 389 | $ 320
Default insurance | 250 | 100
ICE Clear Europe |  |
Clearing Organizations [Line Items] |  |
ICE Portion of Guaranty Fund Contribution | 233 | 206
Default insurance | 75 |
ICE Clear U.S. |  |
Clearing Organizations [Line Items] |  |
ICE Portion of Guaranty Fund Contribution | 103 | 61
Default insurance | 25 |
ICE Clear Credit |  |
Clearing Organizations [Line Items] |  |
ICE Portion of Guaranty Fund Contribution | 50 | 50
Default insurance | 50 |
ICE Clear Netherlands |  |
Clearing Organizations [Line Items] |  |
ICE Portion of Guaranty Fund Contribution | 2 | 2
ICE Clear Singapore |  |
Clearing Organizations [Line Items] |  |
ICE Portion of Guaranty Fund Contribution | 1 | 1
ICE NGX |  |
Clearing Organizations [Line Items] |  |
Default insurance | $ 100 | $ 100

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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

X
- Definition Default Insurance + References No definition available. + Details
Name: | ice_DefaultInsurance
Namespace Prefix: | ice_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Guaranty Fund Contribution + References No definition available. + Details
Name: | ice_GuarantyFundContribution
Namespace Prefix: | ice_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

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

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

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

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