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INTANGIBLE ASSETS AND GOODWILL - Schedule of Intangible Assets (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 25,481 | $ 25,613
Accumulated Amortization and Impairments | (18,741) | (17,123)
Net Carrying Amount | 6,740 | 8,490
Indefinite-lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 27,186 | 27,324
Intangible Assets, Net (Excluding Goodwill) | 8,445 | 10,201
Acquired IPR&D not in service |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Net Carrying Amount | 7 | 13
B&L Trademark |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Net Carrying Amount | $ 1,698 | 1,698
Product brands |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted- Average Remaining Useful Lives (Years) | 6 years |
Gross Carrying Amount | $ 20,890 | 21,011
Accumulated Amortization and Impairments | (14,914) | (13,544)
Net Carrying Amount | $ 5,976 | 7,467
Corporate brands |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted- Average Remaining Useful Lives (Years) | 7 years |
Gross Carrying Amount | $ 907 | 930
Accumulated Amortization and Impairments | (404) | (338)
Net Carrying Amount | $ 503 | 592
Product rights/patents |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted- Average Remaining Useful Lives (Years) | 3 years |
Gross Carrying Amount | $ 3,305 | 3,297
Accumulated Amortization and Impairments | (3,055) | (2,887)
Net Carrying Amount | $ 250 | 410
Partner relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted- Average Remaining Useful Lives (Years) | 1 year |
Gross Carrying Amount | $ 169 | 166
Accumulated Amortization and Impairments | (168) | (165)
Net Carrying Amount | $ 1 | 1
Technology and other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted- Average Remaining Useful Lives (Years) | 3 years |
Gross Carrying Amount | $ 210 | 209
Accumulated Amortization and Impairments | (200) | (189)
Net Carrying Amount | $ 10 | $ 20

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