v3.5.0.2
Clearing Organizations (Narrative) (Details) - USD ($)
$ in Millions
Sep. 30, 2016
Dec. 31, 2015
Principal Transaction Revenue [Line Items]    
Cash Deposits Held in Federal Reserve Bank $ 7,500  
Margin deposits and guaranty funds 49,832 $ 51,169
Margin Deposits And Guaranty Funds Assets Received Or Pledged 91,200 87,200
Contribution Of Own Cash To Guaranty Fund 250  
ICE Clear Europe    
Principal Transaction Revenue [Line Items]    
Margin deposits and guaranty funds 28,202 31,043
Contribution Of Own Cash To Guaranty Fund 150  
ICE Clear Credit    
Principal Transaction Revenue [Line Items]    
Margin deposits and guaranty funds 16,477 $ 15,761
Contribution Of Own Cash To Guaranty Fund 50  
Ice Clear U.S. [Member]    
Principal Transaction Revenue [Line Items]    
Contribution Of Own Cash To Guaranty Fund 50  
Priority A [Member] | Credit Default Swap [Member] | ICE Clear Europe    
Principal Transaction Revenue [Line Items]    
Contribution Of Own Cash To Guaranty Fund 25  
Priority B [Member] | Credit Default Swap [Member] | ICE Clear Europe    
Principal Transaction Revenue [Line Items]    
Contribution Of Own Cash To Guaranty Fund $ 25