Federal Funds Sold and Securities Borrowed or Purchased Under Agreements to Resell (Tables)

12 Months Ended

Dec. 31, 2012

Federal Funds Sold and Securities Borrowed or Purchased Under Agreements to Resell [Abstract]

Schedule of Resale Agreements [Table Text Block]

(Dollars in millions)	2012		2011
Federal funds		$29		$—
Securities borrowed	155		—
Resell agreements	917		792
Total federal funds sold and securities borrowed or purchased under agreements to resell		$1,101		$792