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ACQUISITIONS, DIVESTITURES, LICENSING AND OTHER ARRANGEMENTS - Schedule of Divestitures (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Jun. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Business Acquisition [Line Items] |  |  |  |  |
Net Proceeds | $ 223 | $ 206 |  | $ 631 | $ 791
Divestiture (Gains)/Losses | 0 | 0 |  | 0 | 211
Royalty Income | 217 | 205 |  | 623 | 597
Diabetes business - royalties |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Net Proceeds | 220 | 205 |  | 621 | 562
Divestiture (Gains)/Losses | 0 | 0 |  | 0 | 0
Royalty Income | 217 | 205 |  | 623 | 595
Mature products and other |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Net Proceeds | 3 | 1 |  | 10 | 229
Divestiture (Gains)/Losses | 0 | 0 |  | 0 | 211
Royalty Income | $ 0 | $ 0 |  | $ 0 | $ 2
Mature products and other | Cheplapharm |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Net Proceeds |  |  | $ 221 |  |
Divestiture (Gains)/Losses |  |  | $ 211 |  |

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