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Equipment on Operating Leases (Details) - Vehicles [Member] - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Dec. 31, 2019
Lessor, Lease, Description [Line Items]
Equipment on operating leases	$ 50,685		$ 50,685	$ 53,081
Less: accumulated depreciation	(11,078)		(11,078)	(10,989)
Equipment on operating leases, net	39,607		39,607	$ 42,092
Depreciation expense	1,900	$ 1,800	3,700
GM Financial [Member]
Lessor Operating Lease Payments to be Received
2020	3,333		3,333
2021	4,961		4,961
2022	2,481		2,481
2023	435		435
2024	19		19
Total	$ 11,229		$ 11,229

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- Definition

Operating Lease, Right-of-use Asset, Accumulated Depreciation

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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- References

No definition available.

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Amount of lease payments to be received by lessor for operating lease.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Amount of lease payment to be received by lessor for operating lease in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lease payment to be received by lessor for operating lease in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lease payment to be received by lessor for operating lease in remainder of current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lease payment to be received by lessor for operating lease in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lease payment to be received by lessor for operating lease in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's right to use underlying asset under operating lease.

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