Related Party Transactions - Wholesale Vehicle Sales and Purchases (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Related Party Transaction [Line Items] | ||||
| Net sales and operating revenues, from related parties | $ 8,040 | $ 5,647 | $ 21,848 | $ 14,719 |
| Payments for vehicle inventory | 166 | 96 | ||
| Wholesale sales and revenues | ||||
| Related Party Transaction [Line Items] | ||||
| Net sales and operating revenues, from related parties | 1,302 | 1,177 | 3,723 | 3,064 |
| Wholesale sales and revenues | Related Party | ||||
| Related Party Transaction [Line Items] | ||||
| Net sales and operating revenues, from related parties | 8 | 11 | 34 | 28 |
| DriveTime Automotive Group, Inc. | Wholesale sales and revenues | Related Party | ||||
| Related Party Transaction [Line Items] | ||||
| Net sales and operating revenues, from related parties | 6 | 8 | 27 | 18 |
| Payments for vehicle inventory | $ 3 | $ 4 | $ 11 | $ 10 |
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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