Variable Interest Entities (Details) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Variable Interest Entity [Line Items]
Restricted cash	$ 4,342
Finance receivables, net of fees	52,262	$ 53,473
Secured debt	40,308	39,959
Securitization and Credit Facility VIEs [Member]
Variable Interest Entity [Line Items]
Restricted cash	2,670	2,643
Finance receivables, net of fees	29,729	35,392
Secured debt	40,206	39,771
Assets Leased to Others [Member]
Variable Interest Entity [Line Items]
Lease related assets	39,601	42,055
Assets Leased to Others [Member] \| Securitization and Credit Facility VIEs [Member]
Variable Interest Entity [Line Items]
Lease related assets	$ 19,172	$ 14,464

Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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