Short-term Borrowings (Tables)

9 Months Ended

Sep. 30, 2016

Short-term Debt [Abstract]

Schedule of Short-term Debt [Table Text Block]

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

	September 30, 2016						December 31, 2015
($ in millions)	Unsecured		Secured (a)		Total		Unsecured		Secured (a)		Total
Demand notes	$	3,525	$	—	$	3,525	$	3,369	$	—	$	3,369
Federal Home Loan Bank	—		2,250		2,250		—		4,000		4,000
Securities sold under agreements to repurchase	—		659		659		—		648		648
Other	—		—		—		84		—		84
Total short-term borrowings	$	3,525	$	2,909	$	6,434	$	3,453	$	4,648	$	8,101

(a) Refer to Note 14 for further details on assets restricted as collateral for payment of the related debt.