Deposit Liabilities (Tables)

6 Months Ended

Jun. 30, 2016

Deposits [Abstract]

Schedule of Deposit Liabilities [Table Text Block]

Deposit liabilities consisted of the following.

($ in millions)	June 30, 2016		December 31, 2015
Noninterest-bearing deposits	$	94	$	89
Interest-bearing deposits
Savings and money market checking accounts	42,185		36,386
Certificates of deposit	30,323		29,774
Dealer deposits	200		229
Total deposit liabilities	$	72,802	$	66,478