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SEGMENT INFORMATION - Segment Revenues and Profit, Assets and Capital Expenditures, Depreciation & Amortization of Intangible Assets & Asset Impairments (Details) - USD ($) $ in Millions |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
May 26, 2020 | Mar. 08, 2019 | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Segment reporting information |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  | $ 2,213 | $ 2,138 | $ 1,664 | $ 2,012 | $ 2,224 | $ 2,209 | $ 2,152 | $ 2,016 | $ 8,027 | $ 8,601 | $ 8,380
Operating income (loss) |  |  | $ (5) | $ 460 | $ (27) | $ 248 | $ (1,076) | $ 329 | $ 257 | $ 287 | 676 | (203) | (2,384)
Amortization of intangible assets |  |  |  |  |  |  |  |  |  |  | (1,645) | (1,897) | (2,644)
Goodwill impairments |  |  |  |  |  |  |  |  |  |  | 0 | 0 | (2,322)
Asset impairments, including loss on assets held for sale |  |  |  |  |  |  |  |  |  |  | (114) | (75) | (568)
Restructuring, integration and separation costs |  |  |  |  |  |  |  |  |  |  | (22) | (31) | (22)
Acquisition-related contingent consideration |  |  |  |  |  |  |  |  |  |  | (48) | (12) | 9
Other (expense) income, net |  |  |  |  |  |  |  |  |  |  | (454) | (1,414) | 20
Interest income |  |  |  |  |  |  |  |  |  |  | 13 | 12 | 11
Interest expense |  |  |  |  |  |  |  |  |  |  | (1,534) | (1,612) | (1,685)
Loss on extinguishment of debt | $ (27) | $ (8) |  |  |  |  |  |  |  |  | (59) | (42) | (119)
Foreign exchange and other |  |  |  |  |  |  |  |  |  |  | (30) | 8 | 23
Loss before benefit from income taxes |  |  |  |  |  |  |  |  |  |  | (934) | (1,837) | (4,154)
Capital expenditures: |  |  |  |  |  |  |  |  |  |  |  |  |
Total capital expenditures |  |  |  |  |  |  |  |  |  |  | 302 | 270 | 157
Bausch + Lomb/International |  |  |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  | 4,408 | 4,739 | 4,664
Salix |  |  |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  | 1,904 | 2,022 | 1,749
Ortho Dermatologics |  |  |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  | 553 | 565 | 617
Diversified Products |  |  |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  | 1,162 | 1,275 | 1,350
Operating Segments |  |  |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  | 8,027 | 8,601 | 8,380
Operating income (loss) |  |  |  |  |  |  |  |  |  |  | 3,578 | 3,835 | 3,748
Capital expenditures: |  |  |  |  |  |  |  |  |  |  |  |  |
Total capital expenditures |  |  |  |  |  |  |  |  |  |  | 289 | 230 | 144
Operating Segments | Bausch + Lomb/International |  |  |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  | 4,408 | 4,739 | 4,664
Operating income (loss) |  |  |  |  |  |  |  |  |  |  | 1,159 | 1,332 | 1,330
Capital expenditures: |  |  |  |  |  |  |  |  |  |  |  |  |
Total capital expenditures |  |  |  |  |  |  |  |  |  |  | 282 | 225 | 139
Operating Segments | Salix |  |  |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  | 1,904 | 2,022 | 1,749
Operating income (loss) |  |  |  |  |  |  |  |  |  |  | 1,338 | 1,349 | 1,149
Capital expenditures: |  |  |  |  |  |  |  |  |  |  |  |  |
Total capital expenditures |  |  |  |  |  |  |  |  |  |  | 3 | 2 | 2
Operating Segments | Ortho Dermatologics |  |  |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  | 553 | 565 | 617
Operating income (loss) |  |  |  |  |  |  |  |  |  |  | 233 | 222 | 257
Capital expenditures: |  |  |  |  |  |  |  |  |  |  |  |  |
Total capital expenditures |  |  |  |  |  |  |  |  |  |  | 2 | 1 | 1
Operating Segments | Diversified Products |  |  |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  | 1,162 | 1,275 | 1,350
Operating income (loss) |  |  |  |  |  |  |  |  |  |  | 848 | 932 | 1,012
Capital expenditures: |  |  |  |  |  |  |  |  |  |  |  |  |
Total capital expenditures |  |  |  |  |  |  |  |  |  |  | 2 | 2 | 2
Corporate |  |  |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |  |  |
Operating income (loss) |  |  |  |  |  |  |  |  |  |  | (619) | (609) | (605)
Capital expenditures: |  |  |  |  |  |  |  |  |  |  |  |  |
Total capital expenditures |  |  |  |  |  |  |  |  |  |  | $ 13 | $ 40 | $ 13

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