Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, except Per Share data, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Consolidated Balance Sheets
AFS securities at fair value, covered by FDIC loss share		$ 1,393
HTM securities, fair value	20,313	17,530
Loans and leases covered by FDIC loss share	654	2,035
Foreclosed property and other assets covered by FDIC loss share	$ 38	$ 163
Preferred stock, par value per share	$ 5	$ 5
Preferred Stock, liquidation preference of $25,000 per share	$ 25,000.00	$ 25,000.00
Common stock, par value per share	$ 5	$ 5