Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Current Assets
Cash and cash equivalents	$ 17,365	$ 19,992
Marketable debt securities (Note 3)	6,575	9,046
Accounts and notes receivable, net	8,091	8,035
Inventories (Note 5)	14,534	10,235
Other current assets (Note 3; Note 8 at VIEs)	6,133	7,407
Total current assets	77,791	80,924
Non-current Assets
Equity in net assets of nonconsolidated affiliates (Note 7)	9,234	8,406
Property, net	39,637	37,632
Goodwill and intangible assets, net	5,126	5,230
Equipment on operating leases, net (Note 6; Note 8 at VIEs)	39,657	39,819
Deferred income taxes	22,245	24,136
Other assets (Note 3; Note 8 at VIEs)	10,222	7,264
Total non-current assets	160,766	154,270
Total Assets	238,557	235,194
Current Liabilities
Accounts payable (principally trade)	18,648	19,928
Accrued liabilities (Note 11)	18,484	23,069
Total current liabilities	71,951	79,910
Non-current Liabilities
Postretirement benefits other than pensions (Note 12)	6,111	6,277
Pensions (Note 12)	10,822	12,902
Other liabilities (Note 11)	15,218	13,447
Total non-current liabilities	106,285	105,607
Total Liabilities	178,236	185,517
Commitments and contingencies (Note 13)
Equity (Note 16)
Common stock, $0.01 par value	15	14
Additional paid-in capital	26,926	26,542
Retained earnings	40,212	31,962
Accumulated other comprehensive loss	(13,003)	(13,488)
Total stockholders’ equity	54,150	45,030
Noncontrolling interests	6,171	4,647
Total Equity	60,321	49,677
Total Liabilities and Equity	238,557	235,194
GM Financial
Current Assets
GM Financial receivables, net (Note 4; Note 8 at VIEs)	25,093	26,209
Non-current Assets
GM Financial receivables, net (Note 4; Note 8 at VIEs)	34,645	31,783
Current Liabilities
Short-term debt and current portion of long-term debt (Note 9 and Note 8 at VIEs)	34,343	35,637
Non-current Liabilities
Long-term debt (Note 9 and Note 8 at VIEs)	57,762	56,788
Automotive
Current Liabilities
Short-term debt and current portion of long-term debt (Note 9 and Note 8 at VIEs)	476	1,276
Non-current Liabilities
Long-term debt (Note 9 and Note 8 at VIEs)	$ 16,372	$ 16,193

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).