XML 66 R52.htm IDEA: XBRL DOCUMENT
v3.21.1

GM Financial Receivables and Transactions - Intercompany Transactions (Details) - GM Financial - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Related Party Transaction [Line Items] |  |  |
Commercial finance receivables, net due from GM consolidated dealers | $ 58,272 |  | $ 57,992
Common stock dividends declared and paid | 600 | $ 400 |
Commercial Finance Receivables |  |  |
Related Party Transaction [Line Items] |  |  |
Commercial finance receivables, net due from GM consolidated dealers | 6,659 |  | 8,619
Intersegment Eliminations |  |  |
Related Party Transaction [Line Items] |  |  |
Subvention receivable | 668 |  | 642
Interest subvention earned on finance receivables | 188 | 156 |
Leased vehicle subvention earned | 721 | 805 |
Cash payments | 1,000 | $ 1,100 |
Intersegment Eliminations | Commercial Finance Receivables |  |  |
Related Party Transaction [Line Items] |  |  |
Commercial finance receivables, net due from GM consolidated dealers | 313 |  | 398
Commercial loan funding payable | $ 61 |  | $ 23

X
- Definition Intercompany Payable + References No definition available. + Details
Name: | gm_IntercompanyPayable
Namespace Prefix: | gm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Intercompany Subvention Receivable + References No definition available. + Details
Name: | gm_IntercompanySubventionReceivable
Namespace Prefix: | gm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Intercompany Transactions, Leased Vehicle Income Earned + References No definition available. + Details
Name: | gm_IntercompanyTransactionsLeasedVehicleIncomeEarned
Namespace Prefix: | gm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Interest Income, Intercompany Transactions + References No definition available. + Details
Name: | gm_InterestIncomeIntercompanyTransactions
Namespace Prefix: | gm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Intersegment Eliminations, Subvention Paid + References No definition available. + Details
Name: | gm_IntersegmentEliminationsSubventionPaid
Namespace Prefix: | gm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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=120397183&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
Name: | us-gaap_DividendsCommonStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919230-210447 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -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=120391452&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522 + Details
Name: | us-gaap_NotesReceivableNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | gm_BusinessGroupAxis=gm_GmFinancialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_IntersegmentEliminationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |