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Debt - Narrative (Details) - GM Financial - USD ($) $ in Billions | 1 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2022 | Jun. 30, 2022
Unsecured Debt | Line of Credit | $2.0 Billion Dollar Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Debt term | 364 days | 364 days
Aggregate borrowing capacity | $ 2.0 | $ 2.0
Unsecured Debt | Senior Notes |  |
Debt Instrument [Line Items] |  |
Principal amount |  | $ 7.6
Weighted average interest rate (percent) |  | 3.35%
Secured Debt | Line of Credit | Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Aggregate borrowing capacity |  | $ 10.6
Secured Debt | Notes Payable, Other Payables | Securitization notes payable |  |
Debt Instrument [Line Items] |  |
Principal amount |  | $ 12.3
Weighted average interest rate (percent) |  | 2.57%

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