Consolidated Statement of Income - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Financing revenue and other interest income
Interest and fees on finance receivables and loans		$ 6,468	$ 6,581	$ 7,337
Interest on loans held-for-sale		18	17	17
Interest and dividends on investment securities and other earning assets		600	736	955
Interest on cash and cash equivalents		15	28	78
Operating leases		1,550	1,435	1,470
Total financing revenue and other interest income		8,651	8,797	9,857
Interest expense
Interest on deposits		1,045	1,952	2,538
Interest on short-term borrowings		1	42	135
Interest on long-term debt		860	1,249	1,570
Interest on other		8	0	0
Total interest expense		1,914	3,243	4,243
Net depreciation expense on operating lease assets		570	851	981
Net financing revenue and other interest income		6,167	4,703	4,633
Other revenue
Insurance premiums and service revenue earned		1,117	1,103	1,087
Gain on mortgage and automotive loans, net		87	110	28
Loss on extinguishment of debt		(136)	(102)	(2)
Other gain on investments, net		285	307	243
Other income, net of losses		686	565	405
Total other revenue		2,039	1,983	1,761
Total net revenue		8,206	6,686	6,394
Provision for credit losses		241	1,439	998
Noninterest expense
Compensation and benefits expense		1,643	1,376	1,222
Insurance losses and loss adjustment expenses		261	363	321
Goodwill impairment		0	50	0
Other operating expenses		2,206	2,044	1,886
Total noninterest expense		4,110	3,833	3,429
Income from continuing operations before income tax expense		3,855	1,414	1,967
Income tax expense from continuing operations		790	328	246
Net income from continuing operations	[1]	3,065	1,086	1,721
Loss from discontinued operations, net of tax		(5)	(1)	(6)
Net income		3,060	1,085	1,715
Net income from continuing operations attributable to common stockholders	[1]	3,008	1,086	1,721
Loss from discontinued operations, net of tax	[1]	(5)	(1)	(6)
Net income attributable to common stockholders	[1]	$ 3,003	$ 1,085	$ 1,715
Basic weighted-average common shares outstanding	[1],[2]	362,583,000	375,629,000	393,234,000
Diluted weighted-average common shares outstanding	[1],[2],[3]	365,180,000	377,101,000	395,395,000
Basic earnings per common share
Net income from continuing operations (in dollars per share)	[1]	$ 8.30	$ 2.89	$ 4.38
Loss from discontinued operations, net of tax (in dollars per share)	[1]	(0.01)	0	(0.02)
Net income (in dollars per share)	[1]	8.28	2.89	4.36
Diluted earnings per common share
Net income from continuing operations (in dollars per share)	[1]	8.24	2.88	4.35
Loss from discontinued operations, net of tax (in dollars per share)	[1]	(0.01)	0	(0.02)
Net income (in dollars per share)	[1]	8.22	2.88	4.34
Cash dividends declared per common share (in dollars per share)	[1]	$ 0.88	$ 0.76	$ 0.68
Antidilutive securities excluded from computation of earnings per share, amount		0	800,000	0

[1] Figures in the table may not recalculate exactly due to rounding. Earnings per share is calculated based on unrounded numbers.

[2] Includes shares related to share-based compensation that vested but were not yet issued.

[3] During the year ended December 31, 2020, there were 0.8 million in shares underlying share-based awards excluded because their inclusion would have been antidilutive. There were no antidilutive shares during the years ended December 31, 2021, and 2019.