Servicing Activities (Tables)

6 Months Ended

Jun. 30, 2018

Servicing Asset [Abstract]

Schedule Of Total Serviced Automobile Loans Outstanding [Table Text Block]

The current unpaid principal balance and any related unamortized deferred fees and costs of total serviced automotive finance loans and net investment in operating leases outstanding were as follows.

($ in millions)	June 30, 2018		December 31, 2017
On-balance sheet automotive finance loans and leases
Consumer automotive	$	69,701	$	67,631
Commercial automotive	35,645		37,058
Operating leases	8,613		8,682
Other	111		121
Off-balance sheet automotive finance loans
Securitizations	1,392		1,977
Whole-loan sales	969		1,409
Total serviced automotive finance loans and leases	$	116,431	$	116,878