Other Noninterest Expense (Tables)

12 Months Ended

Dec. 31, 2012

Other Income and Expenses [Abstract]

Schedule of Other Nonoperating Expense, by Component [Table Text Block]

(Dollars in millions)	2012		2011		2010
Impairment of affordable housing investments		$96		$10		$15
Other staff expense	94		95		55
Postage and delivery	76		81		83
Communications	63		63		64
Operating supplies	34		45		47
Other expense	326		317		344
Total other noninterest expense		$689		$611		$608