v2.4.0.8
Acquisitions and Divestitures (Narrative) (Details)
 3 Months Ended 9 Months Ended 9 Months Ended 1 Months Ended 9 Months Ended 12 Months Ended 9 Months Ended 12 Months Ended 1 Months Ended 1 Months Ended 0 Months Ended 9 Months Ended 0 Months Ended 9 Months Ended 0 Months Ended 9 Months Ended 0 Months Ended 9 Months Ended 9 Months Ended 9 Months Ended 9 Months Ended
Sep. 30, 2013
USD ($)
Sep. 30, 2012
USD ($)
Sep. 30, 2013
USD ($)
Sep. 30, 2012
USD ($)
Dec. 31, 2012
USD ($)
May 31, 2012
USD ($)
Sep. 30, 2013
3.875% senior unsecured notes due June 7, 2021 [Member]
EUR (€)
Jun. 30, 2013
2011 Credit Facility [Member]
USD ($)
May 31, 2013
2011 Credit Facility [Member]
USD ($)
Sep. 30, 2011
2011 Credit Facility [Member]
Sep. 30, 2013
Customer relationships [Member]
Dec. 31, 2012
Customer relationships [Member]
Sep. 30, 2013
Technology [Member]
Dec. 31, 2012
Technology [Member]
Dec. 31, 2012
NOS Clearing [Member]
USD ($)
Jul. 31, 2012
NOS Clearing [Member]
USD ($)
Jul. 31, 2012
NOS Clearing [Member]
NOK
May 31, 2012
BWise [Member]
USD ($)
May 31, 2012
BWise [Member]
EUR (€)
Sep. 30, 2013
BWise [Member]
Dec. 31, 2012
BWise [Member]
USD ($)
May 31, 2012
BWise [Member]
Customer relationships [Member]
USD ($)
May 31, 2012
BWise [Member]
Technology [Member]
USD ($)
May 31, 2012
BWise [Member]
Trade Names [Member]
USD ($)
Dec. 31, 2012
Index business of Mergent, Inc., Including Indxis [Member]
USD ($)
May 31, 2013
TR Businesses [Member]
USD ($)
Sep. 30, 2013
TR Businesses [Member]
USD ($)
May 31, 2013
TR Businesses [Member]
Customer relationships [Member]
USD ($)
Sep. 30, 2013
TR Businesses [Member]
Customer relationships [Member]
USD ($)
Sep. 30, 2013
TR Businesses [Member]
Customer relationships [Member]
Income Approach Valuation Technique [Member]
May 31, 2013
TR Businesses [Member]
Technology [Member]
USD ($)
Sep. 30, 2013
TR Businesses [Member]
Technology [Member]
USD ($)
Sep. 30, 2013
TR Businesses [Member]
Technology [Member]
Income Approach Valuation Technique [Member]
Sep. 30, 2013
TR Businesses [Member]
Webhosting [Member]
Income Approach Valuation Technique [Member]
Sep. 30, 2013
TR Businesses [Member]
Public Relations And Multimedia [Member]
Income Approach Valuation Technique [Member]
Apr. 30, 2013
TOM [Member]
Jun. 28, 2013
eSpeed [Member]
USD ($)
Sep. 30, 2013
eSpeed [Member]
USD ($)
Sep. 30, 2013
eSpeed [Member]
Customer relationships [Member]
USD ($)
Jun. 28, 2013
eSpeed [Member]
Customer relationships [Member]
USD ($)
Sep. 30, 2013
eSpeed [Member]
Customer relationships [Member]
Income Approach Valuation Technique [Member]
Sep. 30, 2013
eSpeed [Member]
Technology [Member]
USD ($)
Jun. 28, 2013
eSpeed [Member]
Technology [Member]
USD ($)
Sep. 30, 2013
eSpeed [Member]
Technology [Member]
Income Approach Valuation Technique [Member]
Jun. 28, 2013
eSpeed [Member]
Trade Names [Member]
USD ($)
Sep. 30, 2013
Trade Names [Member]
eSpeed [Member]
Sep. 30, 2013
Trade Names [Member]
eSpeed [Member]
Income Approach Valuation Technique [Member]
Sep. 30, 2013
Minimum [Member]
TR Businesses [Member]
Customer relationships [Member]
Sep. 30, 2013
Minimum [Member]
TR Businesses [Member]
Customer relationships [Member]
Income Approach Valuation Technique [Member]
Sep. 30, 2013
Minimum [Member]
TR Businesses [Member]
Technology [Member]
Sep. 30, 2013
Minimum [Member]
eSpeed [Member]
Customer relationships [Member]
Income Approach Valuation Technique [Member]
Sep. 30, 2013
Minimum [Member]
eSpeed [Member]
Technology [Member]
Income Approach Valuation Technique [Member]
Sep. 30, 2013
Maximum [Member]
TR Businesses [Member]
Customer relationships [Member]
Sep. 30, 2013
Maximum [Member]
TR Businesses [Member]
Customer relationships [Member]
Income Approach Valuation Technique [Member]
Sep. 30, 2013
Maximum [Member]
TR Businesses [Member]
Technology [Member]
Sep. 30, 2013
Maximum [Member]
eSpeed [Member]
Customer relationships [Member]
Income Approach Valuation Technique [Member]
Sep. 30, 2013
Maximum [Member]
eSpeed [Member]
Technology [Member]
Income Approach Valuation Technique [Member]
Business Acquisition [Line Items]                                                                                                                  
Purchase consideration                             $ 40,000,000 [1] $ 40,000,000 233,000,000 $ 77,000,000 € 62,000,000   $ 77,000,000         $ 390,000,000 $ 366,000,000                   $ 1,200,000,000 $ 1,239,000,000                                      
Net assets acquired                             43,000,000 [1] 43,000,000   (11,000,000)     (11,000,000)       1,000,000 37,000,000 (37,000,000)                   5,000,000 5,000,000                                      
Purchased Intangible Assets           35,000,000                 1,000,000 [1] 1,000,000   35,000,000     35,000,000 23,000,000 7,000,000 5,000,000 5,000,000   91,000,000                   715,000,000 715,000,000   121,000,000     16,000,000   578,000,000                        
Percentage of acquired ownership interest                                   72.00% 72.00%                                 25.00% 100.00%                                        
Percentage of remaining ownership interest                                   28.00% 28.00%                                                                            
Percentage of total ownership interest by the first half of 2015                                       100.00%                                                                          
Business acquisition, cash paid                                   57,000,000 47,000,000           15,000,000 366,000,000                     755,000,000                                        
Business acquisition, working capital adjustments                                                   24,000,000                                                              
Finite-lived Intangible Assets Acquired                                                   91,000,000 91,000,000 89,000,000 89,000,000   2,000,000 2,000,000             121,000,000     16,000,000                              
Contingent future issuance of common stock, amount 484,000,000   484,000,000                                                                   484,000,000                                        
Contingent future issuance of common stock, shares 992,247 [2]   330,749 [2]                                                                   992,247                                        
Debt instrument, face amount             600,000,000                                                                                                    
Debt instrument, interest rate             3.875%                                                                                                    
Debt Instrument Maturity Date             Jun. 07, 2021     Sep. 19, 2016                                                                                              
Discount rate                                                                 11.00%               10.00%     10.00%     10.00%   11.00%         11.50%      
Discounted cash flows tax effect                                                           40.00%     40.00%               40.00%     40.00%   40.00%                      
Amortization period of intangible assets for tax purposes                                                           15 years     15 years               15 years     15 years   15 years                      
Customer relationships intangible assets, period of growth                                                                                                     4 years         5 years  
Customer relationships intangible assets, percentage of current revenues                                                                                 10.00%                                
Customer relationships intangible assets, estimated percentage of revenues                                                                                 100.00%                                
Acquired Finite Lived Intangible Assets Weighted Average Useful Life                     19 years 21 years 5 years 5 years                                                 13 years     5 years           9 years   2 years     14 years   5 years    
Royalty rate, profit split                                                                                                       25.00%         33.00%
Net liabiilties assumed                                   2,000,000                                                                              
Pre tax royalty rate                                                                   1.50% 0.50%             5.00%                              
Assumed annual revenue attrition percentage                                                           10.00%                                                      
Percentage of present value of cash flows generated by each customer relationship based on the estimated remaining useful life                                                           90.00%                                                      
Acquisition recorded as current deferred tax liability                                   1,000,000                                                                              
Acquisition recorded as non-current deferred tax liability                                   8,000,000                                                                              
Acquisition recorded as deferred tax liability           9,000,000                       9,000,000                                                                              
Purchased intangible assets, tax basis                                   0                                                                              
Effective income tax rate                                   25.00% 25.00%                                                                            
Purchased goodwill 6,191,000,000   6,191,000,000   5,335,000,000                               53,000,000       9,000,000   312,000,000                     519,000,000                                      
Option to acquire additional ownership percentage 25.10%   25.10%                                                                                                            
Loss on divestiture of business   (14,000,000)   (14,000,000)                                                                                                          
Credit facility, additional borrowings               $ 50,000,000 $ 50,000,000                                                                                                
[1] In the third quarter of 2012, we recognized a gain of $4 million on our acquisition of NOS Clearing, which is included in merger and strategic initiatives expense in the Condensed Consolidated Statements of Income.
[2] See “Acquisition of eSpeed for Trading of U.S. Treasuries,” of Note 4, “Acquisitions and Divestiture,” for further discussion.