Intercompany Payable

No definition available.

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Namespace Prefix:	gm_
Data Type:	xbrli:monetaryItemType
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- Definition

Intercompany Receivable

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Intercompany Transactions, Leased Vehicle Income Earned

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

Interest Income, Intercompany Transactions

+ References

No definition available.

+ Details

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- Definition

Intersegment Eliminations, Receivables (Payables), Net

+ References

No definition available.

+ Details

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- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.3)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Dividends received on equity and other investments during the current period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 16
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3337-108585

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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- Details

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Balance Type:
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- Details

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- Details

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GM Financial Receivables and Transactions Intercompany Transactions (Details) - USD ($) $ in Millions	1 Months Ended		12 Months Ended
	Oct. 31, 2018	Nov. 30, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
GM Financial [Member]
Related Party Transactions [Line Items]
Financing receivable, net			$ 51,933	$ 41,729
Common stock dividends declared	$ 375
Proceeds from special dividend		$ 550
GM Financial [Member] \| Commercial Portfolio Segment [Member]
Related Party Transactions [Line Items]
Financing receivable, net			12,209	9,904
GM Financial [Member] \| Retail Finance Receivables [Member]
Related Party Transactions [Line Items]
Financing receivable, net			39,724	31,825
Eliminations [Member]
Related Party Transactions [Line Items]
Cash payments to GM Financial			3,800	4,300	$ 4,200
Eliminations [Member] \| GM Financial [Member]
Related Party Transactions [Line Items]
Subvention receivable			727	306
Interest subvention earned on finance receivables			554	492	387
Leased vehicle subvention earned			3,274	3,046	$ 2,232
Eliminations [Member] \| GM Financial [Member] \| Commercial Portfolio Segment [Member]
Related Party Transactions [Line Items]
Financing receivable, net			445	355
Commercial loan funding payable			61	90
Eliminations [Member] \| GM Financial [Member] \| Retail Finance Receivables [Member]
Related Party Transactions [Line Items]
Financing receivable, net			$ 134	$ 88