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v3.19.3.a.u2

Clearing Operations - Guaranty Fund Contributions (Details) - USD ($) $ in Millions | Dec. 31, 2019 | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Clearing Organizations [Line Items] |  |  |
ICE Portion of Guaranty Fund Contribution | $ 404 |  | $ 320
Default insurance | 250 |  | 100
ICE Clear Europe |  |  |
Clearing Organizations [Line Items] |  |  |
ICE Portion of Guaranty Fund Contribution | 233 |  | 206
Default insurance | 75 | $ 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 | $ 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] |  |  |
ICE Portion of Guaranty Fund Contribution | 15 |  |
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

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- 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: |

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- 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: |