Condensed Consolidated Statement of Income - USD ($) shares in Thousands, $ in Millions		3 Months Ended				9 Months Ended
		Sep. 30, 2022		Sep. 30, 2021		Sep. 30, 2022		Sep. 30, 2021
Financing revenue and other interest income
Interest and fees on finance receivables and loans		$ 2,120		$ 1,619		$ 5,676		$ 4,789
Interest on loans held-for-sale		10		5		18		14
Interest and dividends on investment securities and other earning assets		218		155		609		433
Interest on cash and cash equivalents		16		5		23		13
Operating leases		397		393		1,196		1,147
Total financing revenue and other interest income		2,761		2,177		7,522		6,396
Interest expense
Interest on deposits		567		245		1,041		819
Interest on short-term borrowings		43		0		67		1
Interest on long-term debt		194		191		563		671
Interest on other		0		8		1		8
Total interest expense		804		444		1,672		1,499
Net depreciation expense on operating lease assets		238		139		674		384
Net financing revenue and other interest income		1,719		1,594		5,176		4,513
Other revenue
Insurance premiums and service revenue earned		289		279		849		837
Gain on mortgage and automotive loans, net		10		18		28		73
Loss on extinguishment of debt		0		(52)		0		(126)
Other (loss) gain on investments, net		(54)		24		(173)		212
Other income, net of losses		52		122		347		498
Total other revenue		297		391		1,051		1,494
Total net revenue		2,016		1,985		6,227		6,007
Provision for credit losses		438		76		909		31
Noninterest expense
Compensation and benefits expense		467		389		1,397		1,230
Insurance losses and loss adjustment expenses		70		69		217		206
Other operating expenses		624		544		1,807		1,584
Total noninterest expense		1,161		1,002		3,421		3,020
Income from continuing operations before income tax expense		417		907		1,897		2,956
Income tax expense from continuing operations		117		195		460		549
Net income from continuing operations		300	[1]	712		1,437	[1]	2,407	[1]
(Loss) income from discontinued operations, net of tax		(1)		0		(1)		1
Net income		299		712		1,436		2,408
Other comprehensive loss, net of tax		(1,331)		(165)		(4,182)		(580)
Comprehensive (loss) income		(1,032)		547		(2,746)		1,828
Net income from continuing operations attributable to common stockholders	[1]	273		683		1,354		2,378
(Loss) income from discontinued operations, net of tax		(1)	[1]	0	[1]	(1)		1	[1]
Net income attributable to common stockholders	[1]	$ 272		$ 683		$ 1,353		$ 2,379
Basic weighted-average common shares outstanding (in shares)	[1],[2]	308,220		359,179		321,884		368,215
Diluted weighted-average common shares outstanding (in shares)	[1],[2]	310,086		361,855		323,875		370,745
Basic earnings per common share
Net income from continuing operations (in dollars per share)	[1]	$ 0.88		$ 1.90		$ 4.20		$ 6.46
Net income (in dollars per share)	[1]	0.88		1.90		4.20		6.46
Diluted earnings per common share
Net income from continuing operations (in dollars per share)	[1]	0.88		1.89		4.18		6.41
Net income (in dollars per share)	[1]	0.88		1.89		4.18		6.42
Cash dividends declared per common share (in dollars per share)	[1]	$ 0.30		$ 0.25		$ 0.90		$ 0.63

[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.