Consolidated Statement Of Condition (Parenthetical) (USD $) In Millions, except Share data	Sep. 30, 2011	Dec. 31, 2010
Consolidated Statement Of Condition
Investment securities held to maturity, Fair Value	$ 10,102	$ 12,576
Loans and leases, allowance for losses	22	100
Premises and equipment, accumulated depreciation	$ 3,629	$ 3,425
Preferred stock, no par value
Preferred stock, shares authorized	3,500,000	3,500,000
Preferred stock, shares issued	5,001	5,001
Preferred stock, shares outstanding	5,001	5,001
Common stock, par	$ 1	$ 1
Common stock, shares authorized	750,000,000	750,000,000
Common stock, shares issued	504,000,556	502,064,454
Treasury stock, shares	10,918,592	420,016