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FAIR VALUE MEASUREMENTS - Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Assets: |  |
Total | $ 7,828 | $ 10,533
Liabilities: |  |
Total | 584 | 552
MYR GmbH |  |
Liabilities: |  |
Contingent consideration liability | 216 | 206
Arcellx, Inc |  |
Liabilities: |  |
Equity securities subject to contractual sale restrictions | 441 |
Galapagos |  |
Liabilities: |  |
Equity securities subject to contractual sale restrictions | 419 |
Level 1 |  |
Assets: |  |
Total | 7,784 | 10,405
Liabilities: |  |
Total | 340 | 343
Level 1 | MYR GmbH |  |
Liabilities: |  |
Contingent consideration liability | 0 | 0
Level 2 |  |
Assets: |  |
Total | 44 | 128
Liabilities: |  |
Total | 28 | 3
Level 2 | MYR GmbH |  |
Liabilities: |  |
Contingent consideration liability | 0 | 0
Level 3 |  |
Assets: |  |
Total | 0 | 0
Liabilities: |  |
Total | 216 | 206
Level 3 | MYR GmbH |  |
Liabilities: |  |
Contingent consideration liability | 216 | 206
Money market funds |  |
Assets: |  |
Equity securities | 6,255 | 8,502
Money market funds | Level 1 |  |
Assets: |  |
Equity securities | 6,255 | 8,502
Money market funds | Level 2 |  |
Assets: |  |
Equity securities | 0 | 0
Money market funds | Level 3 |  |
Assets: |  |
Equity securities | 0 | 0
Publicly traded equity securities |  |
Assets: |  |
Equity securities | 1,189 | 1,561
Publicly traded equity securities | Level 1 |  |
Assets: |  |
Equity securities | 1,189 | 1,561
Publicly traded equity securities | Level 2 |  |
Assets: |  |
Equity securities | 0 | 0
Publicly traded equity securities | Level 3 |  |
Assets: |  |
Equity securities | 0 | 0
Deferred compensation plan |  |
Assets: |  |
Equity securities | 340 | 343
Liabilities: |  |
Deferred compensation plan | 340 | 343
Deferred compensation plan | Level 1 |  |
Assets: |  |
Equity securities | 340 | 343
Liabilities: |  |
Deferred compensation plan | 340 | 343
Deferred compensation plan | Level 2 |  |
Assets: |  |
Equity securities | 0 | 0
Liabilities: |  |
Deferred compensation plan | 0 | 0
Deferred compensation plan | Level 3 |  |
Assets: |  |
Equity securities | 0 | 0
Liabilities: |  |
Deferred compensation plan | 0 | 0
Foreign currency derivative contracts |  |
Assets: |  |
Foreign currency derivative contracts | 44 | 128
Liabilities: |  |
Foreign currency derivative contracts | 28 | 3
Foreign currency derivative contracts | Level 1 |  |
Assets: |  |
Foreign currency derivative contracts | 0 | 0
Liabilities: |  |
Foreign currency derivative contracts | 0 | 0
Foreign currency derivative contracts | Level 2 |  |
Assets: |  |
Foreign currency derivative contracts | 44 | 128
Liabilities: |  |
Foreign currency derivative contracts | 28 | 3
Foreign currency derivative contracts | Level 3 |  |
Assets: |  |
Foreign currency derivative contracts | 0 | 0
Liabilities: |  |
Foreign currency derivative contracts | $ 0 | $ 0

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