Segment Information (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

Financial information for our reportable operating segments is summarized as follows.

Three months ended March 31, ($ in millions)	Automotive Finance operations		Insurance operations		Mortgage Finance operations		Corporate Finance operations		Corporate and Other			Consolidated (a)
2018
Net financing revenue and other interest income	$	909	$	12	$	43	$	46	$	39		$	1,049
Other revenue	66		246		1		8		33			354
Total net revenue	975		258		44		54		72			1,403
Provision for loan losses	259		—		2		—		—			261
Total noninterest expense	448		231		34		25		76			814
Income (loss) from continuing operations before income tax expense	$	268	$	27	$	8	$	29	$	(4	)	$	328
Total assets	$	114,934	$	7,557	$	12,780	$	4,375	$	30,375		$	170,021
2017
Net financing revenue and other interest income	$	892	$	15	$	34	$	34	$	4		$	979
Other revenue	101		264		—		18		13			396
Total net revenue	993		279		34		52		17			1,375
Provision for loan losses	268		—		1		6		(4		)	271
Total noninterest expense	437		239		24		21		57			778
Income (loss) from continuing operations before income tax expense	$	288	$	40	$	9	$	25	$	(36	)	$	326
Total assets	$	115,154	$	7,230	$	8,362	$	3,438	$	27,917		$	162,101

(a) Net financing revenue and other interest income after the provision for loan losses totaled $788 million and $708 million for the three months ended March 31, 2018, and March 31, 2017, respectively