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GRAIL SPIN-OFF - Narrative (Details) - Spinoff - GRAIL - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Jun. 24, 2024 | Dec. 29, 2024 | Dec. 31, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Number of shares issued in transaction | 26,547,021 |  |
Percent of interest disposed | 85.50% |  |
Number of parent shares converted into one share of spin-off (in shares) | 6 |  |
Discontinued operation, equity method investment retained after disposal, ownership interest after disposal | 14.50% |  |
Period of continuing involvement after disposal | 2 years 6 months | 2 years 6 months |
Amount of continuing cash flows after disposal | $ 974 |  |
Separation-related transaction costs |  | $ 53 | $ 17

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