Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Current Assets
Cash and cash equivalents	$ 28,228	$ 19,069
Marketable debt securities (Note 4)	9,254	4,174
Accounts and notes receivable, net	7,946	6,797
Inventories (Note 6)	10,280	10,398
Other current assets (Note 4; Note 10 at VIEs)	8,938	7,953
Total current assets	87,497	74,992
Non-current Assets
Equity in net assets of nonconsolidated affiliates (Note 8)	7,724	8,562
Property, net	37,066	38,750
Goodwill and intangible assets, net	5,282	5,337
Equipment on operating leases, net (Note 7; Note 10 at VIEs)	39,601	42,055
Deferred income taxes	24,654	24,640
Other assets (Note 4; Note 10 at VIEs)	6,712	7,346
Total non-current assets	150,038	153,045
Total Assets	237,535	228,037
Current Liabilities
Accounts payable (principally trade)	15,154	21,018
Accrued liabilities (Note 13)	22,727	26,487
Total current liabilities	77,904	84,905
Non-current Liabilities
Postretirement benefits other than pensions (Note 14)	5,836	5,935
Pensions (Note 14)	11,249	12,170
Other liabilities (Note 13)	11,903	13,146
Total non-current liabilities	116,138	97,175
Total Liabilities	194,042	182,080
Commitments and contingencies (Note 15)
Equity (Note 18)
Common stock, $0.01 par value	14	14
Additional paid-in capital	26,087	26,074
Retained earnings	25,104	26,860
Accumulated other comprehensive loss	(11,901)	(11,156)
Total stockholders’ equity	39,304	41,792
Noncontrolling interests	4,189	4,165
Total Equity	43,493	45,957
Total Liabilities and Equity	237,535	228,037
GM Financial [Member]
Current Assets
GM Financial receivables, net (Note 5; Note 10 at VIEs)	22,851	26,601
Non-current Assets
GM Financial receivables, net (Note 5; Note 10 at VIEs)	28,999	26,355
Current Liabilities
Short-term debt and current portion of long-term debt (Note 9 and Note 8 at VIEs)	37,313	35,503
Non-current Liabilities
Long-term debt (Note 9 and Note 8 at VIEs)	54,939	53,435
Automotive [Member]
Current Liabilities
Short-term debt and current portion of long-term debt (Note 9 and Note 8 at VIEs)	2,710	1,897
Non-current Liabilities
Long-term debt (Note 9 and Note 8 at VIEs)	$ 32,211	$ 12,489

Operating Lease, Right-of-use Asset, Noncurrent

No definition available.

Name:	gm_OperatingLeaseRightofuseAssetNoncurrent
Namespace Prefix:	gm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).