CONSOLIDATED BALANCE SHEET (Parenthetical) (USD $) In Millions, except Share data	Sep. 30, 2011	Dec. 31, 2010
Held to Maturity, Fair value	$ 847.2	$ 941.8
Total Loans and Leases, unearned income	$ 417.3	$ 456.8
Common Stock, Par Value	$ 1.6667	$ 1.6667
Common Stock, Authorized	560,000,000	560,000,000
Common Stock, Outstanding	240,996,807	242,268,903
Treasury Stock, shares	4,174,717	2,902,621