Assets under Management, Carrying Amount Expected

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- Definition

Business Acquisition, Percentage of Net Profit Sharing Interest Held

+ References

No definition available.

+ Details

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- Definition

Business Acquisition, Percentage of Profit Sharing Interest Purchased

+ References

No definition available.

+ Details

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- Definition

Number of Trading Venues

+ References

No definition available.

+ Details

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- 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

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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- Definition

Gain (loss) from sale or disposal of an organization or integrated set of activities (for example, but not limited to, a partnership or corporation) engaged in providing a product or service in a commercial, industrial, or professional environment.

+ References

No definition available.

+ Details

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- Definition

The number of countries in which the entity operates as of balance sheet date.

+ References

No definition available.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

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Acquisitions, Investments and Divestitures - Narrative (Details) € in Millions				9 Months Ended
	Oct. 24, 2017 USD ($)	Oct. 24, 2017 EUR (€)	Mar. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Oct. 20, 2017	Jun. 30, 2017	Jun. 01, 2017 USD ($)	May 01, 2017 country venue	Apr. 30, 2017	Jan. 31, 2017	Dec. 31, 2016
Bank of America Merrill Lynch Index Platform
Business Acquisition [Line Items]
Transaction costs							$ 1,000,000,000,000
Non - Intercontinental Exchange Inc Limited Partners
Business Acquisition [Line Items]
Percentage of net profit sharing interest held				39.30%							42.50%
Percentage of profit sharing interest purchased									3.20%
Gasunie
Business Acquisition [Line Items]
Percentage of voting interests acquired						21.00%					21.00%
ABN AMRO Clearing Bank N.V
Business Acquisition [Line Items]
Percentage of voting interests acquired						25.00%					25.00%
ICE Endex and ICE Clear Netherlands
Business Acquisition [Line Items]
Percentage of voting interests acquired				100.00%
TMX Atrium
Business Acquisition [Line Items]
Percentage of voting interests acquired								100.00%
Number of countries in which entity operates \| country								12
Number of trading venues \| venue								30
NYSE National
Business Acquisition [Line Items]
Percentage of voting interests acquired										100.00%
NYSE Governance Services
Business Acquisition [Line Items]
Loss on disposition of business				$ (6,000,000)
Interactive Data Managed Solutions
Business Acquisition [Line Items]
Loss on disposition of business			$ 0
Subsequent Event \| Virtu BondPoint
Business Acquisition [Line Items]
Percentage of voting interests acquired	100.00%	100.00%
Cash payment to acquire business	$ 400,000,000
Subsequent Event \| Euroclear
Business Acquisition [Line Items]
Percentage of voting interests acquired	4.70%	4.70%
Cash payment to acquire business	$ 326,000,000	€ 275
Subsequent Event \| Bank of America Merrill Lynch Index Platform
Business Acquisition [Line Items]
Percentage of voting interests acquired					100.00%