ACQUISITIONS, DIVESTITURES, LICENSING AND OTHER ARRANGEMENTS - Schedule of Divestitures (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||
| Net Proceeds | $ 277 | $ 265 | $ 563 | $ 496 |
| Divestiture (Gains)/Losses | 1 | 0 | (7) | 0 |
| Royalty Income | (286) | (265) | (558) | (536) |
| Diabetes business - royalties | ||||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||
| Net Proceeds | 276 | 265 | 552 | 496 |
| Divestiture (Gains)/Losses | 0 | 0 | 0 | 0 |
| Royalty Income | (286) | (265) | (558) | (536) |
| Mature products and other | ||||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||
| Net Proceeds | 1 | 0 | 11 | 0 |
| Divestiture (Gains)/Losses | 1 | 0 | (7) | 0 |
| Royalty Income | $ 0 | $ 0 | $ 0 | $ 0 |