Commercial Paper Maturities

No definition available.

Name:	ice_CommercialPaperMaturities
Namespace Prefix:	ice_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Commercial Paper, Weighted Average Interest Rate

+ References

No definition available.

+ Details

Name:	ice_CommercialPaperWeightedAverageInterestRate
Namespace Prefix:	ice_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Commercial Paper Weighted Average Maturity Period

+ References

No definition available.

+ Details

Name:	ice_CommercialPaperWeightedAverageMaturityPeriod
Namespace Prefix:	ice_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of Credit Facility, Additional Borrowing Capacity

+ References

No definition available.

+ Details

Name:	ice_LineofCreditFacilityAdditionalBorrowingCapacity
Namespace Prefix:	ice_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Funds Reserved For Commercial Paper Program

+ References

No definition available.

+ Details

Name:	ice_LineofCreditFacilityFundsReservedForCommercialPaperProgram
Namespace Prefix:	ice_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Unreserved Amount

+ References

No definition available.

+ Details

Name:	ice_LineofCreditFacilityUnreservedAmount
Namespace Prefix:	ice_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit facility, Amount Required to Stop Broker-Dealer Subsidiary Commitments

+ References

No definition available.

+ Details

Name:	ice_LineofCreditfacilityAmountRequiredtoStopBrokerDealerSubsidiaryCommitments
Namespace Prefix:	ice_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28555-108399

+ Details

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

- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

Name:	us-gaap_ExtinguishmentOfDebtAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowings classified as other, maturing within one year or the normal operating cycle, if longer.

+ References

+ Details

Name:	us-gaap_OtherShortTermBorrowings
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The net cash inflow or cash outflow from issuing (borrowing) and repaying commercial paper.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 9
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3098-108585

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585

+ Details

Name:	us-gaap_ProceedsFromRepaymentsOfCommercialPaper
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_CommercialPaperMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=ice_A2030SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=ice_A2050SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=ice_A2020SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=ice_BondPointandTMCBondsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt - Narrative (Details) - USD ($)	3 Months Ended	6 Months Ended
Debt - Narrative (Details) - USD ($)	Jun. 30, 2020	Jun. 30, 2020	Jun. 30, 2019	May 26, 2020	Dec. 31, 2019
Line of Credit Facility [Line Items]
Other short-term debt	$ 5,000,000	$ 5,000,000			$ 10,000,000
Redemption of commercial paper		611,000,000	$ (347,000,000)
Revolving Credit Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	3,400,000,000	3,400,000,000
Additional borrowing capacity (up to)	975,000,000	975,000,000
Amount of debt outstanding	0	0
Amount required to stop broker-dealer subsidiary commitments	171,000,000	171,000,000
Funds available to use for working capital and general and corporate purposes	2,500,000,000	2,500,000,000
Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity	20,000,000	20,000,000
Other short-term debt	5,000,000	5,000,000
Commercial Paper \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Funds reserved for commercial paper program	$ 700,000,000	$ 700,000,000
Weighted average interest rate		0.37%
Weighted average maturity period		42 days
Commercial Paper \| Revolving Credit Facility \| Minimum
Line of Credit Facility [Line Items]
Commercial paper maturities		6 days
Commercial Paper \| Revolving Credit Facility \| Maximum
Line of Credit Facility [Line Items]
Commercial paper maturities		87 days
Senior Notes
Line of Credit Facility [Line Items]
Face amount				$ 2,500,000,000
Debt issuance costs				23,000,000
Senior Notes \| 2030 Senior Notes (2.10% senior unsecured notes due June 15, 2030)
Line of Credit Facility [Line Items]
Face amount				$ 1,250,000,000
Interest rate, stated percentage	2.10%	2.10%		2.10%
Senior Notes \| 2050 Senior Notes (3.00% senior unsecured notes due June 15, 2050)
Line of Credit Facility [Line Items]
Face amount				$ 1,250,000,000
Interest rate, stated percentage	3.00%	3.00%		3.00%
Senior Notes \| 2020 Senior Notes (2.75% senior unsecured notes due December 1, 2020)
Line of Credit Facility [Line Items]
Face amount				$ 1,250,000,000
Interest rate, stated percentage	2.75%	2.75%		2.75%
Extinguishment of debt	$ 14,000,000
BondPoint and TMC Bonds
Line of Credit Facility [Line Items]
Redemption of commercial paper		$ 611,000,000