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Variable Interest Entities (Details) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Variable Interest Entity [Line Items]
GM Financial equipment on operating leases, net	$ 37,066	$ 38,750
GM Financial [Member]
Variable Interest Entity [Line Items]
GM Financial receivables, net of fees – current	22,851	26,601
GM Financial receivables, net of fees – non-current	28,999	26,355
GM Financial short-term debt and current portion of long-term debt	37,313	35,503
GM Financial long-term debt	54,939	53,435
Consolidated VIE [Member] | GM Financial [Member]
Variable Interest Entity [Line Items]
Restricted cash – current	2,269	2,202
Restricted cash – non-current	401	441
GM Financial receivables, net of fees – current	15,457	19,081
GM Financial receivables, net of fees – non-current	14,009	15,921
GM Financial short-term debt and current portion of long-term debt	24,245	23,952
GM Financial long-term debt	15,961	15,819
Consolidated VIE [Member] | GM Financial [Member] | Equipment Leased to Other Party [Member]
Variable Interest Entity [Line Items]
GM Financial equipment on operating leases, net	$ 19,172	$ 14,464

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- Definition

Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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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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