Loans (Details 17) (USD $) In Billions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
High LTV interest-only and ARM loans
Residential mortgage loans with high LTV and no mortgage insurance	$ 1.0	$ 1.1
Interest-only residential mortgage loans	4.0	3.9
ARM loans	$ 10.0	$ 9.9

Residential mortgage loans with high LTV and no mortgage insurance.

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