XML 21 R37.htm IDEA: XBRL DOCUMENT

Mortgage Servicing Assets (Details) (Residential mortgage loans, USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Residential mortgage loans
Mortgage Servicing Assets
Unpaid principal balance	$ 956.04	$ 995.09

- Definition

This is the result of the principal amount outstanding of total loans managed or securitized less securitized loans and loans that are in the process of being securitized.

+ References+ Details