Other Income, Net of Losses (Tables)

12 Months Ended

Dec. 31, 2020

Other Nonoperating Income (Expense) [Abstract]

Schedule of Other Nonoperating Income, by Component

Details of other income, net of losses, were as follows.

Year ended December 31, ($ in millions)	2020		2019		2018
Income from equity-method investments	$	161	$	62	$	46
Gain on nonmarketable equity investments, net	99		9		4
Late charges and other administrative fees	93		114		110
Remarketing fees	73		74		79
Servicing fees	10		17		27
Other, net	129		129		152
Total other income, net of losses	$	565	$	405	$	418