Financial Instruments and Fair Value Measurements - Schedule of Aggregate Principal and Fair Value Amount of Outstanding 2025 Senior Notes, 2026 Senior Notes and Term Loan B Facility (Details) - USD ($) $ in Millions |
Dec. 31, 2024 |
Sep. 30, 2024 |
Dec. 31, 2023 |
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| Debt Instrument [Line Items] | |||||||
| Carrying value amount | $ 831 | $ 839 | |||||
| Term Loan B Facility | |||||||
| Debt Instrument [Line Items] | |||||||
| Aggregate principal amount | $ 500 | ||||||
| Level 2 | 2026 Senior Notes | |||||||
| Debt Instrument [Line Items] | |||||||
| Aggregate principal amount | 345 | 345 | |||||
| Unamortized debt issuance costs | (2) | (3) | |||||
| Carrying value amount | 343 | 342 | |||||
| Fair value amount | [1] | 323 | 304 | ||||
| Level 2 | Term Loan B Facility | |||||||
| Debt Instrument [Line Items] | |||||||
| Aggregate principal amount | [2] | 499 | 0 | ||||
| Unamortized debt issuance costs | [2] | (6) | 0 | ||||
| Carrying value amount | [2] | 493 | 0 | ||||
| Fair value amount | [1],[2] | 504 | 0 | ||||
| Level 2 | 2025 Senior Notes | |||||||
| Debt Instrument [Line Items] | |||||||
| Aggregate principal amount | [2] | 0 | 500 | ||||
| Unamortized debt issuance costs | [2] | 0 | (3) | ||||
| Carrying value amount | [2] | 0 | 497 | ||||
| Fair value amount | [1],[2] | $ 0 | $ 502 | ||||
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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 Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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/exampleRef
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- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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