XML 43 R49.htm IDEA: XBRL DOCUMENT v2.4.0.8
Acquisitions- Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended 0 Months Ended 12 Months Ended 0 Months Ended
Sep. 30, 2013
Sep. 30, 2013
Oct. 02, 2012
WestLB Mellon Asset Management
May 31, 2013
SourceNet [Member]
Sep. 27, 2013
Newton Private Cients [Member]
Business Acquisition [Line Items]          
Contingent payments $ 13 $ 17      
Potential obligation to pay additional consideration, lower limit 0 0      
Potential obligation to pay additional consideration, upper limit 11 11 13    
Potential obligation to pay additional consideration, period of measurement (in years)   9 months      
Proceeds from sale of business       11 120
Pretax gain on sale       2 27
After-tax gain on sale       10 5
Goodwill, Written off Related to Sale of Business Unit   69     69
Indefinite-lived Intangible Assets, Written off Related to Sale of Business Unit         7
Business acquisition, voting percentage acquired (percent)     50.00%    
Business acquisition     22    
Goodwill related to acquisition, non-tax deductible     70    
Intangible assets, useful life (in years)     8 years    
Intangible assets - customer relationships     $ 23