Deposit Liabilities (Tables)

3 Months Ended

Mar. 31, 2016

Deposits [Abstract]

Schedule of Deposit Liabilities [Table Text Block]

Deposit liabilities consisted of the following.

($ in millions)	March 31, 2016		December 31, 2015
Noninterest-bearing deposits	$	92	$	89
Interest-bearing deposits
Savings and money market checking accounts	39,945		36,386
Certificates of deposit	30,010		29,774
Dealer deposits	218		229
Total deposit liabilities	$	70,265	$	66,478