Amount of customers enrolled in loan program

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- Definition

Percentage of dealers who deferred wholesale interest and insurance payments due to COVID-19.

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- Definition

Percent of customers enrolling in program

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- Definition

Amount of financing receivable not past due.

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- Definition

Amount of financing receivable past due.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Finance Receivables and Loans, Net (Past Due Financing Receivables and Loans Commercial) (Details) $ in Millions	3 Months Ended
	Jun. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)	Jun. 30, 2019 USD ($)
Financing Receivable, Past Due [Line Items]
Finance receivables and loans, net	$ 118,234	$ 128,231	$ 129,210
Commercial portfolio segment
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	55	83
Financing receivable, recorded investment, current	27,814	38,224
Finance receivables and loans, net	27,869	38,307	$ 38,512
Automotive loan \| Commercial portfolio segment
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	49	62
Financing receivable, recorded investment, current	17,706	28,270
Finance receivables and loans, net	17,755	28,332
Other loan \| Commercial portfolio segment
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	17
Financing receivable, recorded investment, current	5,315	4,997
Finance receivables and loans, net	5,315	5,014
Real estate-backed loan \| Commercial portfolio segment
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	6	4
Financing receivable, recorded investment, current	4,793	4,957
Finance receivables and loans, net	4,799	4,961
Financing receivables, 30 to 59 days past due \| Commercial portfolio segment
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	34
Financing receivables, 30 to 59 days past due \| Automotive loan \| Commercial portfolio segment
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	34
Financing receivables, 30 to 59 days past due \| Other loan \| Commercial portfolio segment
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	0
Financing receivables, 30 to 59 days past due \| Real estate-backed loan \| Commercial portfolio segment
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	0
Financing receivables, 60 to 89 days past due \| Commercial portfolio segment
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	1	0
Financing receivables, 60 to 89 days past due \| Automotive loan \| Commercial portfolio segment
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	1	0
Financing receivables, 60 to 89 days past due \| Other loan \| Commercial portfolio segment
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	0
Financing receivables, 60 to 89 days past due \| Real estate-backed loan \| Commercial portfolio segment
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	0
Financing receivables, equal to greater than 90 days past due \| Commercial portfolio segment
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	54	49
Financing receivables, equal to greater than 90 days past due \| Automotive loan \| Commercial portfolio segment
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	48	28
Financing receivables, equal to greater than 90 days past due \| Other loan \| Commercial portfolio segment
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	0	17
Financing receivables, equal to greater than 90 days past due \| Real estate-backed loan \| Commercial portfolio segment
Financing Receivable, Past Due [Line Items]
Financing receivable, recorded investment, past due	$ 6	$ 4
Operating Segments \| Automotive Finance operations \| Commercial portfolio segment
Financing Receivable, Past Due [Line Items]
Commercial automotive customers enrolling in program	2,290
Percent of customers enrolling in program	73.00%
Percentage of dealers who deferred wholesale interest and insurance payments	39.00%