XML 42 R94.htm IDEA: XBRL DOCUMENT v2.3.0.15
Goodwill and Other Intangible Assets (Revenue from Mortgage and Other Loan Servicing) (Details) (USD $)
In Millions
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Goodwill [Line Items]    
Revenue from Mortgage and Other Loan Servicing$ 163$ 170$ 481$ 526