v3.25.4

Clearing Operations - Separate Cash Accounts (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Clearing Organizations [Line Items]
Cash and cash equivalent margin deposits and guaranty funds	$ 76,789	$ 82,149
Invested deposits, delivery contracts receivable and unsettled variation margin	4,437	2,163
National Bank Account | ICE Clear Europe
Clearing Organizations [Line Items]
Cash and cash equivalent margin deposits and guaranty funds	5,368	4,817
National Bank Account | ICE Clear Credit
Clearing Organizations [Line Items]
Cash and cash equivalent margin deposits and guaranty funds	19,422	20,369
Reverse repo | ICE Clear Europe
Clearing Organizations [Line Items]
Cash and cash equivalent margin deposits and guaranty funds	33,020	37,276
Reverse repo | ICE Clear Credit
Clearing Organizations [Line Items]
Cash and cash equivalent margin deposits and guaranty funds	4,965	4,089
Reverse repo | ICE Clear U.S.
Clearing Organizations [Line Items]
Cash and cash equivalent margin deposits and guaranty funds	7,342	7,382
Sovereign debt | ICE Clear Europe
Clearing Organizations [Line Items]
Cash and cash equivalent margin deposits and guaranty funds	2,359	4,515
Sovereign debt | ICE Clear U.S.
Clearing Organizations [Line Items]
Cash and cash equivalent margin deposits and guaranty funds	563	347
Demand deposits | ICE Clear Europe
Clearing Organizations [Line Items]
Cash and cash equivalent margin deposits and guaranty funds	176	648
Demand deposits | ICE Clear Credit
Clearing Organizations [Line Items]
Cash and cash equivalent margin deposits and guaranty funds	3,564	2,697
Demand deposits | Other ICE Clearing Houses
Clearing Organizations [Line Items]
Cash and cash equivalent margin deposits and guaranty funds	10	9
Unsettled variation margin and delivery contracts receivable | ICE NGX
Clearing Organizations [Line Items]
Invested deposits, delivery contracts receivable and unsettled variation margin	1,658	1,639
Invested deposits - sovereign debt | ICE Clear Europe
Clearing Organizations [Line Items]
Invested deposits, delivery contracts receivable and unsettled variation margin	$ 2,779	$ 524

X

- 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

Invested Deposits, Delivery Contracts Receivable And Unsettled Variation Margin, Current

+ References

No definition available.

+ Details

Name:	ice_InvestedDepositsDeliveryContractsReceivableAndUnsettledVariationMarginCurrent
Namespace Prefix:	ice_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment within one year or during the operating cycle, if shorter.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(8))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_DepositsAssetsCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_InvestmentTypeAxis=ice_NationalBankAccountMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=ice_ICEClearEuropeLimitedMember
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:	us-gaap_InvestmentTypeAxis=ice_ReverseRepurchaseAgreementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=ice_ICEClearUsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InvestmentTypeAxis=us-gaap_SovereignDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InvestmentTypeAxis=us-gaap_DemandDepositsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=ice_OtherICEClearingHousesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InvestmentTypeAxis=ice_UnsettledVariationMarginandDeliveryContractsReceivablePayableMember
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:

X

- Details

Name:	us-gaap_InvestmentTypeAxis=ice_InvestedDepositsSovereignDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: