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FAIR VALUE MEASUREMENTS - Summary of Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Assets: |  |
Available-for-sale debt securities | $ 2,290 | $ 2,497
MYR GmbH |  |
Liabilities: |  |
Liability for MYR GmbH (“MYR”) contingent consideration | 306 |
Other publicly traded equity securities |  |
Assets: |  |
Total | 4,711 | 5,743
Fair Value, Measurements, Recurring | Estimate of Fair Value Measurement |  |
Assets: |  |
Total | 7,137 | 8,320
Liabilities: |  |
Total | 523 | 583
Fair Value, Measurements, Recurring | Estimate of Fair Value Measurement | MYR GmbH |  |
Liabilities: |  |
Liability for MYR GmbH (“MYR”) contingent consideration | 306 | 317
Fair Value, Measurements, Recurring | Estimate of Fair Value Measurement | U.S. treasury securities |  |
Assets: |  |
Available-for-sale debt securities | 427 | 407
Fair Value, Measurements, Recurring | Estimate of Fair Value Measurement | U.S. government agencies securities |  |
Assets: |  |
Available-for-sale debt securities | 0 | 4
Fair Value, Measurements, Recurring | Estimate of Fair Value Measurement | Non-U.S. government securities |  |
Assets: |  |
Available-for-sale debt securities | 31 | 50
Fair Value, Measurements, Recurring | Estimate of Fair Value Measurement | Certificates of deposit |  |
Assets: |  |
Available-for-sale debt securities | 88 | 249
Fair Value, Measurements, Recurring | Estimate of Fair Value Measurement | Corporate debt securities |  |
Assets: |  |
Available-for-sale debt securities | 1,386 | 1,363
Fair Value, Measurements, Recurring | Estimate of Fair Value Measurement | Residential mortgage and asset-backed securities |  |
Assets: |  |
Available-for-sale debt securities | 358 | 424
Fair Value, Measurements, Recurring | Estimate of Fair Value Measurement | Money market funds |  |
Assets: |  |
Marketable equity securities | 3,094 | 3,661
Fair Value, Measurements, Recurring | Estimate of Fair Value Measurement | Other publicly traded equity securities |  |
Assets: |  |
Marketable equity securities | 117 | 331
Fair Value, Measurements, Recurring | Estimate of Fair Value Measurement | Other publicly traded equity securities | Galapagos |  |
Assets: |  |
Marketable equity securities | 935 | 931
Fair Value, Measurements, Recurring | Estimate of Fair Value Measurement | Other publicly traded equity securities | Arcus |  |
Assets: |  |
Marketable equity securities | 350 | 559
Fair Value, Measurements, Recurring | Estimate of Fair Value Measurement | Deferred compensation plan |  |
Assets: |  |
Marketable equity securities | 215 | 261
Liabilities: |  |
Deferred compensation plan | 215 | 261
Fair Value, Measurements, Recurring | Estimate of Fair Value Measurement | Foreign currency derivative contracts |  |
Assets: |  |
Foreign currency derivative contracts | 136 | 80
Liabilities: |  |
Foreign currency derivative contracts | 3 | 5
Fair Value, Measurements, Recurring | Level 1 |  |
Assets: |  |
Total | 5,138 | 6,150
Liabilities: |  |
Total | 215 | 261
Fair Value, Measurements, Recurring | Level 1 | MYR GmbH |  |
Liabilities: |  |
Liability for MYR GmbH (“MYR”) contingent consideration | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | U.S. treasury securities |  |
Assets: |  |
Available-for-sale debt securities | 427 | 407
Fair Value, Measurements, Recurring | Level 1 | U.S. government agencies securities |  |
Assets: |  |
Available-for-sale debt securities | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Non-U.S. government securities |  |
Assets: |  |
Available-for-sale debt securities | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Certificates of deposit |  |
Assets: |  |
Available-for-sale debt securities | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Corporate debt securities |  |
Assets: |  |
Available-for-sale debt securities | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Residential mortgage and asset-backed securities |  |
Assets: |  |
Available-for-sale debt securities | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Money market funds |  |
Assets: |  |
Marketable equity securities | 3,094 | 3,661
Fair Value, Measurements, Recurring | Level 1 | Other publicly traded equity securities |  |
Assets: |  |
Marketable equity securities | 117 | 331
Fair Value, Measurements, Recurring | Level 1 | Other publicly traded equity securities | Galapagos |  |
Assets: |  |
Marketable equity securities | 935 | 931
Fair Value, Measurements, Recurring | Level 1 | Other publicly traded equity securities | Arcus |  |
Assets: |  |
Marketable equity securities | 350 | 559
Fair Value, Measurements, Recurring | Level 1 | Deferred compensation plan |  |
Assets: |  |
Marketable equity securities | 215 | 261
Liabilities: |  |
Deferred compensation plan | 215 | 261
Fair Value, Measurements, Recurring | Level 1 | Foreign currency derivative contracts |  |
Assets: |  |
Foreign currency derivative contracts | 0 | 0
Liabilities: |  |
Foreign currency derivative contracts | 0 | 0
Fair Value, Measurements, Recurring | Level 2 |  |
Assets: |  |
Total | 1,999 | 2,170
Liabilities: |  |
Total | 3 | 5
Fair Value, Measurements, Recurring | Level 2 | MYR GmbH |  |
Liabilities: |  |
Liability for MYR GmbH (“MYR”) contingent consideration | 0 | 0
Fair Value, Measurements, Recurring | Level 2 | U.S. treasury securities |  |
Assets: |  |
Available-for-sale debt securities | 0 | 0
Fair Value, Measurements, Recurring | Level 2 | U.S. government agencies securities |  |
Assets: |  |
Available-for-sale debt securities | 0 | 4
Fair Value, Measurements, Recurring | Level 2 | Non-U.S. government securities |  |
Assets: |  |
Available-for-sale debt securities | 31 | 50
Fair Value, Measurements, Recurring | Level 2 | Certificates of deposit |  |
Assets: |  |
Available-for-sale debt securities | 88 | 249
Fair Value, Measurements, Recurring | Level 2 | Corporate debt securities |  |
Assets: |  |
Available-for-sale debt securities | 1,386 | 1,363
Fair Value, Measurements, Recurring | Level 2 | Residential mortgage and asset-backed securities |  |
Assets: |  |
Available-for-sale debt securities | 358 | 424
Fair Value, Measurements, Recurring | Level 2 | Money market funds |  |
Assets: |  |
Marketable equity securities | 0 | 0
Fair Value, Measurements, Recurring | Level 2 | Other publicly traded equity securities |  |
Assets: |  |
Marketable equity securities | 0 | 0
Fair Value, Measurements, Recurring | Level 2 | Other publicly traded equity securities | Galapagos |  |
Assets: |  |
Marketable equity securities | 0 | 0
Fair Value, Measurements, Recurring | Level 2 | Other publicly traded equity securities | Arcus |  |
Assets: |  |
Marketable equity securities | 0 | 0
Fair Value, Measurements, Recurring | Level 2 | Deferred compensation plan |  |
Assets: |  |
Marketable equity securities | 0 | 0
Liabilities: |  |
Deferred compensation plan | 0 | 0
Fair Value, Measurements, Recurring | Level 2 | Foreign currency derivative contracts |  |
Assets: |  |
Foreign currency derivative contracts | 136 | 80
Liabilities: |  |
Foreign currency derivative contracts | 3 | 5
Fair Value, Measurements, Recurring | Level 3 |  |
Assets: |  |
Total | 0 | 0
Liabilities: |  |
Total | 306 | 317
Fair Value, Measurements, Recurring | Level 3 | MYR GmbH |  |
Liabilities: |  |
Liability for MYR GmbH (“MYR”) contingent consideration | 306 | 317
Fair Value, Measurements, Recurring | Level 3 | U.S. treasury securities |  |
Assets: |  |
Available-for-sale debt securities | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | U.S. government agencies securities |  |
Assets: |  |
Available-for-sale debt securities | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Non-U.S. government securities |  |
Assets: |  |
Available-for-sale debt securities | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Certificates of deposit |  |
Assets: |  |
Available-for-sale debt securities | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Corporate debt securities |  |
Assets: |  |
Available-for-sale debt securities | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Residential mortgage and asset-backed securities |  |
Assets: |  |
Available-for-sale debt securities | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Money market funds |  |
Assets: |  |
Marketable equity securities | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Other publicly traded equity securities |  |
Assets: |  |
Marketable equity securities | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Other publicly traded equity securities | Galapagos |  |
Assets: |  |
Marketable equity securities | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Other publicly traded equity securities | Arcus |  |
Assets: |  |
Marketable equity securities | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Deferred compensation plan |  |
Assets: |  |
Marketable equity securities | 0 | 0
Liabilities: |  |
Deferred compensation plan | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Foreign currency derivative contracts |  |
Assets: |  |
Foreign currency derivative contracts | 0 | 0
Liabilities: |  |
Foreign currency derivative contracts | $ 0 | $ 0

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