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Equipment on Operating Leases (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Lessor, Lease, Description [Line Items]
Residual value of leased asset	$ 26,900		$ 26,900		$ 29,100
Vehicles
Lessor, Lease, Description [Line Items]
Equipment on operating leases	43,925		43,925		47,423
Less: accumulated depreciation	(8,618)		(8,618)		(9,494)
Equipment on operating leases, net	35,307		35,307		$ 37,929
Depreciation expense	1,200	$ 1,500	2,400	$ 3,200
Vehicles | GM Financial
Lessor Operating Lease Payments to be Received
2022	2,791		2,791
2023	4,179		4,179
2024	1,977		1,977
2025	422		422
2026	22		22
Thereafter	0		0
Total	$ 9,393		$ 9,393

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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 residual asset covered by residual value guarantee under operating lease. Excludes guarantee considered to be lease payments for lessor.

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