TRANSFORMATION, INTEGRATION AND OTHER CHARGES - Schedule of Transformation, Integration and Other Charges by Cost Category (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Restructuring and Related Activities [Abstract] | ||
| Severance | $ (1) | $ 17 |
| Asset related charges | 0 | 0 |
| Total Pre-Separation restructuring programs | (1) | 17 |
| IT independence | 24 | 0 |
| Integration and other | 3 | 0 |
| Transformation initiative charges | 2 | 0 |
| Total Qnity Transformation Plan | 29 | 0 |
| Transformation, integration and other charges (recast) | $ 28 | $ 17 |
| X | ||||||||||
- Definition IT Independence No definition available.
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| X | ||||||||||
- Definition Integration And Other No definition available.
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| X | ||||||||||
- Definition Restructuring Charges, Pre-Separation No definition available.
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| X | ||||||||||
- Definition Transformation Initiative Charges No definition available.
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| X | ||||||||||
- Definition Transformation, Integration And Other Charges No definition available.
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| 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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| X | ||||||||||
- Definition Amount of expense for integration-related cost incurred in connection with business combination. Includes system integration and conversion costs; severance and other employee-related costs; restructuring and other post-combination costs. Excludes acquisition-related cost incurred to effect business combination; cost to issue debt or equity securities; and cost related to acquisition of asset. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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