STOCK-BASED COMPENSATION (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items] | ||
| Compensation expense | $ 10 | $ 4 |
| Income tax benefits | $ 2 | $ 1 |
| Restricted Stock Units (RSUs) | ||
| Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items] | ||
| Shares granted (in shares) | 0.3 | |
| Weighted-average share price (in usd per share) | $ 126.70 | |
| Performance Shares | ||
| Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items] | ||
| Shares granted (in shares) | 0.1 | |
| Weighted-average share price (in usd per share) | $ 191.69 | |
| Qnity Electronics, Inc. Equity And Incentive Plan | ||
| Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items] | ||
| Capital shares reserved for future issuance (in shares) | 16.0 | |