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v3.21.2

Debt - Carrying Amount and Fair Value of Debt (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Apr. 30, 2021 | Sep. 30, 2021 | Sep. 30, 2021 | Dec. 31, 2020
Unsecured Debt | Line of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Aggregate borrowing capacity | $ 11,200 |  |  |
Automotive |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Finance lease liabilities |  | $ 314 | $ 314 | $ 237
Finance lease liabilities, Fair Value |  | 329 | 329 | 256
Carrying Amount |  | 16,848 | 16,848 | 17,469
Fair Value |  | 20,569 | 20,569 | 21,576
Available under credit facility agreements |  | $ 17,207 | $ 17,207 | $ 18,222
Weighted-average interest rate on outstanding short-term debt |  | 7.00% | 7.00% | 3.80%
Weighted-average interest rate on outstanding long-term debt |  | 5.80% | 5.80% | 5.60%
Net discount and debt issuance costs |  | $ 519 | $ 519 | $ 540
Automotive | Secured Debt |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Carrying Amount |  | 237 | 237 | 303
Fair Value |  | 256 | 256 | 332
Automotive | Unsecured Debt |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Carrying Amount |  | 16,297 | 16,297 | 16,929
Fair Value |  | 19,984 | 19,984 | 20,988
Automotive | Level 1 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Fair Value |  | 19,063 | 19,063 | 19,826
Automotive | Level 2 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Fair Value |  | 1,506 | 1,506 | 1,750
GM Financial |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Carrying Amount |  | 92,105 | 92,105 | 92,425
Fair Value |  | 93,964 | 93,964 | 94,948
GM Financial | Line of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Aggregate borrowing capacity |  | 21,900 | 21,900 |
GM Financial | Secured Debt |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Carrying Amount |  | 38,041 | 38,041 | 39,982
Fair Value |  | 38,259 | 38,259 | 40,380
GM Financial | Unsecured Debt |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Carrying Amount |  | 54,064 | 54,064 | 52,443
Fair Value |  | $ 55,705 | $ 55,705 | 54,568
GM Financial | Unsecured Debt | Line of Credit | $2.0 Billion Dollar Revolving Credit Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt term | 364 days | 364 days | 364 days |
Aggregate borrowing capacity | $ 2,000 | $ 2,000 | $ 2,000 |
GM Financial | Level 2 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Fair Value |  | 92,351 | 92,351 | 92,922
GM Financial | Level 3 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Fair Value |  | $ 1,613 | $ 1,613 | $ 2,026

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- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69C -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69B -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1D -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611 + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69C -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69B -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611 Reference 7: 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(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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