Related Party Transactions and Parent Company Investment - Narrative (Details) $ in Millions |
3 Months Ended | 6 Months Ended | |||||
|---|---|---|---|---|---|---|---|
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Jun. 30, 2026
USD ($)
shares
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Jun. 30, 2025
USD ($)
shares
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Jun. 30, 2026
USD ($)
shares
|
Jun. 30, 2025
USD ($)
shares
|
Jun. 15, 2026
shares
|
Dec. 31, 2025
USD ($)
|
Oct. 01, 2018
CAD ($)
|
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| Related Party Transaction [Line Items] | |||||||
| Long-term debt | $ 1,981,000,000 | $ 1,981,000,000 | $ 0 | ||||
| Number of shares outstanding (in shares) | shares | 294,821,320 | 0 | 294,821,320 | 0 | 294,821,320 | ||
| Related Party | |||||||
| Related Party Transaction [Line Items] | |||||||
| Net decrease in Parent company investment | $ (1,806,000,000) | $ (137,000,000) | $ (1,764,000,000) | $ (181,000,000) | |||
| Expenses with related party transaction | 36,000,000 | 57,000,000 | |||||
| Interest expense, net | 4,000,000 | 3,000,000 | 7,000,000 | 7,000,000 | |||
| Related Party | Allocation For Shared Services | |||||||
| Related Party Transaction [Line Items] | |||||||
| Net decrease in Parent company investment | 36,000,000 | 24,000,000 | 64,000,000 | 46,000,000 | |||
| Related Party | Carfax Canada | |||||||
| Related Party Transaction [Line Items] | |||||||
| Stated interest rate | 6.00% | ||||||
| Debt face amount | $ 403 | ||||||
| Long-term debt | $ 230,000,000 | ||||||
| Interest expense, net | 7,000,000 | 7,000,000 | |||||
| Periodic payment | 0 | 18,000,000 | |||||
| Interest payment | 7,000,000 | $ 7,000,000 | |||||
| Related Party | S&P Global | |||||||
| Related Party Transaction [Line Items] | |||||||
| Expenses with related party transaction | $ 15,000,000 | $ 2,000,000 | $ 22,000,000 | ||||
| X | ||||||||||
- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Costs of sales and operating expenses for the period incurred from transactions with related parties. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of the required periodic payments including both interest and principal payments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of the required periodic payments applied to interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of transactions with related party during the financial reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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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