Short-Term Borrowings (Tables)

12 Months Ended

Dec. 31, 2012

Short-term Debt [Abstract]

Schedule of Short-term Debt [Table Text Block]

The following table presents the composition of our short-term borrowings portfolio.

	2012							2011
December 31, ($ in millions)	Unsecured		Secured (a)		Total			Unsecured		Secured (a)		Total
Demand notes	$	3,094	$	—	$	3,094		$	2,756	$	—	$	2,756
Bank loans and overdrafts	167		—		167			1,613		—		1,613
Federal Home Loan Bank	—		3,800		3,800			—		1,400		1,400
Other (b)	—		400		400			146		1,765		1,911
Total short-term borrowings	$	3,261	$	4,200	$	7,461		$	4,515	$	3,165	$	7,680
Weighted average interest rate (c)					1.0		%					3.6		%

(a) Refer to Note 16 for further details on assets restricted as collateral for payment of the related debt.

(b) Other primarily includes nonbank secured borrowings at our Commercial Finance Group at December 31, 2012 and Automotive Finance operations at December 31, 2011.

(c) Based on the debt outstanding and the interest rate at December 31 of each year.