Document and Entity Information Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2017	Feb. 05, 2018	Jun. 30, 2017
Document Information [Abstract]
Entity Registrant name	Intercontinental Exchange, Inc.
Entity Central Index Key	0001571949
Document Type	10-K
Document Period End Date	Dec. 31, 2017
Amendment Flag	false
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding (in shares)		582,294,307
Entity Well-known seasoned issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 38,484,678,440