Short-Term Borrowings (Tables)

6 Months Ended

Jun. 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.

	June 30, 2016						December 31, 2015
($ in millions)	Unsecured		Secured (a)		Total		Unsecured		Secured (a)		Total
Demand notes	$	3,576	$	—	$	3,576	$	3,369	$	—	$	3,369
Federal Home Loan Bank	—		1,950		1,950		—		4,000		4,000
Securities sold under agreements to repurchase	—		468		468		—		648		648
Other	—		—		—		84		—		84
Total short-term borrowings	$	3,576	$	2,418	$	5,994	$	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.