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GM Financial Receivables and Transactions - Commercial Finance Receivables Credit Quality Indicators (Details) - USD ($) $ in Millions | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
GM Financial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
GM Financial receivables, net of fees | $ 61,801 | $ 59,970
Commercial Finance Receivables | GM Financial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Revolving | 4,418 | 7,662
2021 | 216 | 512
2020 | 466 | 185
2019 | 148 | 94
2018 | 73 | 100
2017 | 70 | 72
Prior | 53 | 57
GM Financial receivables, net of fees | $ 5,444 | $ 8,682
Percent | 100.00% | 100.00%
Commercial Finance Receivables | GM Financial | Group I - Performing accounts with strong to acceptable financial metrics |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Revolving | $ 4,023 | $ 6,968
2021 | 206 | 510
2020 | 448 | 159
2019 | 127 | 63
2018 | 45 | 95
2017 | 65 | 43
Prior | 43 | 19
GM Financial receivables, net of fees | $ 4,957 | $ 7,857
Percent | 91.10% | 90.50%
Commercial Finance Receivables | GM Financial | Group II - Performing accounts experiencing potential weakness in financial metrics |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Revolving | $ 292 | $ 491
2021 | 2 | 2
2020 | 18 | 18
2019 | 18 | 2
2018 | 0 | 3
2017 | 3 | 18
Prior | 5 | 34
GM Financial receivables, net of fees | $ 338 | $ 568
Percent | 6.20% | 6.50%
Commercial Finance Receivables | GM Financial | Group III - Non-Performing accounts with inadequate paying capacity for current obligations |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Revolving | $ 103 | $ 203
2021 | 8 | 0
2020 | 0 | 8
2019 | 3 | 29
2018 | 28 | 2
2017 | 2 | 11
Prior | 5 | 0
GM Financial receivables, net of fees | $ 149 | $ 253
Percent | 2.70% | 2.90%
Commercial Finance Receivables | GM Financial | Group IV - Non-Performing accounts with inadequate paying capacity for current obligations and inherent weaknesses |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Revolving | $ 0 | $ 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
2017 | 0 | 0
Prior | 0 | 4
GM Financial receivables, net of fees | $ 0 | $ 4
Percent | 0.00% | 0.10%
Floorplan Advances | Commercial Finance Receivables |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Percent of revolving balance | 94.00% | 9700.00%

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