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REVENUES - Summary of Revenues Recognized from Performance Obligations Satisfied in Prior Periods (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
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Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Revenue from Contract with Customer [Abstract] |  |  |  |
Revenue share with Janssen Ireland and royalties for licenses of intellectual property | $ 158 | $ 153 | $ 310 | $ 310
Changes in estimates | 186 | $ 126 | 418 | $ 340
Previously constrained revenue | $ 156 |  | $ 156 |

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- Definition Contract With Customer, Performance Obligation Satisfied In Previous Period, Revenue Recognized + References No definition available. + Details
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- Definition Amount of revenue recognized from performance obligation satisfied or partially satisfied in previous reporting periods. Includes, but is not limited to, change in transaction price. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12A + Details
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- References No definition available. + Details
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