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Acquisitions and Divestitures - Narrative (Details)
£ in Millions, shares in Millions
1 Months Ended 3 Months Ended 12 Months Ended
Oct. 03, 2018
USD ($)
Jun. 01, 2017
USD ($)
Mar. 31, 2017
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2017
GBP (£)
Dec. 31, 2015
USD ($)
shares
Dec. 31, 2018
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2015
USD ($)
Sep. 30, 2018
Business Acquisition [Line Items]                        
Gain on initial investment value               $ 0 $ 110,000,000 $ 0    
Useful life               17 years 1 month 6 days        
Goodwill       $ 12,216,000,000     $ 13,085,000,000 $ 13,342,000,000 13,085,000,000 $ 12,216,000,000    
NYSE Governance Services                        
Business Acquisition [Line Items]                        
Gain (loss) from divestiture of businesses   $ (6,000,000)                    
Interactive Data Managed Solutions                        
Business Acquisition [Line Items]                        
Gain (loss) from divestiture of businesses     $ 0                  
CDS Clearing Subsidiaries | Non-ICE Limited Partners                        
Business Acquisition [Line Items]                        
Percentage of net profit sharing interest help               26.70%        
MERSCORP Holdings, Inc                        
Business Acquisition [Line Items]                        
Equity interests percentage 100.00%                      
Gain on initial investment value $ 110,000,000           110,000,000          
Percentage of voting interests acquired 100.00%                      
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%           100.00%    
CDS Clearing Subsidiaries                        
Business Acquisition [Line Items]                        
Percentage of voting interests acquired                       3.20%
Percentage of net profit sharing interest held       12.60%           12.60%    
Bakkt                        
Business Acquisition [Line Items]                        
Equity interest issued or issuable, fair value             $ 183,000,000   $ 183,000,000      
TRAYPORT                        
Business Acquisition [Line Items]                        
Percentage of voting interests acquired           100.00%         100.00%  
Total purchase price           $ 620,000,000            
Equity interests issued and issuable (in shares) | shares           12.6            
TMX Group                        
Business Acquisition [Line Items]                        
Total purchase price       $ 531,000,000                
Payments to acquire businesses, gross       733,000,000 £ 550              
Gain (loss) from divestiture of businesses       110,000,000                
Net assets       607,000,000           $ 607,000,000    
Foreign currency translation loss       76,000,000                
Transaction costs       $ 16,000,000           $ 16,000,000    
NGX and Shorcan Energy                        
Business Acquisition [Line Items]                        
Intangible assets           $ 198,000,000         $ 198,000,000  
Intangible assets, exchange registrations and licenses           140,000,000         140,000,000  
Goodwill           123,000,000         123,000,000  
NGX and Shorcan Energy | Customer relationships                        
Business Acquisition [Line Items]                        
Intangible assets           $ 53,000,000         $ 53,000,000  
Useful life                     20 years