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BUSINESS ACQUISITIONS (Details) - USD ($) |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Jan. 21, 2020 | Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019 | Dec. 31, 2018
Business Acquisition [Line Items] |  |  |  |  |
Cash acquired from acquisition |  | $ 3,000,000 | $ 0 |  |
Goodwill |  | $ 6,694,000,000 |  | $ 6,619,000,000 | $ 6,563,000,000
Customer Relationships |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Intangible assets, useful life |  | 18 years |  |  |
Blueprint Genetics Oy |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Cash paid for business acquisitions | $ 108,000,000 |  |  |  |
Cash acquired from acquisition | 3,000,000 |  |  |  |
Goodwill | 77,000,000 |  |  |  |
Goodwill, expected tax deductible amount | 0 |  |  |  |
Intangible assets | 43,000,000 |  |  |  |
Deferred tax liabilities | 11,000,000 |  |  |  |
Property, plant and equipment and working capital | $ 2,000,000 |  |  |  |
Blueprint Genetics Oy | Technology |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Intangible assets, useful life | 10 years |  |  |  |
Blueprint Genetics Oy | Customer Relationships |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Intangible assets, useful life | 15 years |  |  |  |

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