Deposit Liabilities (Tables)

12 Months Ended

Dec. 31, 2016

Deposits [Abstract]

Schedule of Deposit Liabilities [Table Text Block]

Deposit liabilities consisted of the following.

December 31, ($ in millions)	2016		2015
Noninterest-bearing deposits	$	84	$	89
Interest-bearing deposits
Savings and money market checking accounts	46,976		36,386
Certificates of deposit	31,795		29,774
Dealer deposits	167		229
Total deposit liabilities	$	79,022	$	66,478

Schedule Of Maturities For Total Time Deposits Text Block [Table Text Block]

The following table presents the scheduled maturity of total certificates of deposit.

($ in millions)
Due in 2017	$	16,206
Due in 2018	9,984
Due in 2019	3,041
Due in 2020	1,348
Due in 2021	1,216
Total certificates of deposit	$	31,795