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OTHER EXPENSE, NET - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Schedule Of Other Income And Expenses [Line Items] |  |  |
Litigation and other matters | $ 356 | $ 422 | $ 1,401
Upfront payments, included in acquired in-process research and development costs | 8 | 32 | 41
Milestone achievement, included in net gain (loss) on other sales of assets | $ 2 | $ 1 | 31
Milestone Payment Related To Certain Product |  |  |
Schedule Of Other Income And Expenses [Line Items] |  |  |
Milestone achievement, included in net gain (loss) on other sales of assets |  |  | $ 20

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- Definition Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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- Definition Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
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