Segment Information - Additional Information (Details) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
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Sep. 30, 2024
USD ($)
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Sep. 30, 2023
USD ($)
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Sep. 30, 2024
USD ($)
Segment
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Sep. 30, 2023
USD ($)
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| Segment Reporting [Abstract] | ||||
| Number of operating segments | Segment | 3 | |||
| Impairment charges | $ 0 | $ 0 | $ (2,400,000) | $ 62,600,000 |
| Segment Reporting Information [Line Items] | ||||
| Revenues | 3,491,500,000 | 3,643,500,000 | 10,328,500,000 | 10,787,600,000 |
| Retail New Vehicles [Member] | ||||
| Segment Reporting Information [Line Items] | ||||
| Revenues | 1,566,800,000 | 1,573,500,000 | 4,575,200,000 | 4,624,400,000 |
| Fleet New Vehicles [Member] | ||||
| Segment Reporting Information [Line Items] | ||||
| Revenues | 22,200,000 | 23,200,000 | 68,000,000.0 | 70,400,000 |
| New vehicles | ||||
| Segment Reporting Information [Line Items] | ||||
| Revenues | 1,589,000,000 | 1,596,700,000 | 4,643,200,000 | 4,694,800,000 |
| Used vehicles | ||||
| Segment Reporting Information [Line Items] | ||||
| Revenues | 1,180,700,000 | 1,340,400,000 | 3,582,500,000 | 3,991,200,000 |
| Wholesale vehicles | ||||
| Segment Reporting Information [Line Items] | ||||
| Revenues | 67,200,000 | 79,300,000 | 215,800,000 | 256,300,000 |
| Total vehicles | ||||
| Segment Reporting Information [Line Items] | ||||
| Revenues | 2,836,900,000 | 3,016,400,000 | 8,441,500,000 | 8,942,300,000 |
| Parts, service and collision repair | ||||
| Segment Reporting Information [Line Items] | ||||
| Revenues | 479,000,000.0 | 453,400,000 | 1,369,800,000 | 1,327,600,000 |
| Finance, insurance and other, net | ||||
| Segment Reporting Information [Line Items] | ||||
| Revenues | $ 175,600,000 | $ 173,700,000 | $ 517,200,000 | $ 517,700,000 |
| X | ||||||||||
- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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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- References No definition available.
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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. No definition available.
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