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LOSS PER SHARE (Tables) | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
Schedule of calculation of loss per share | Loss per share attributable to Bausch Health Companies Inc. for 2021, 2020 and 2019 were calculated as follows:
(in millions, except per share amounts) |  | 2021 |  | 2020 |  | 2019
Net loss attributable to Bausch Health Companies Inc. |  | $ | (948) |  |  | $ | (560) |  |  | $ | (1,788) |
Basic and diluted weighted-average common shares |  | 358.9 |  |  | 355.0 |  |  | 352.1 |
Basic and diluted loss per share attributable to Bausch Health Companies Inc. |  | $ | (2.64) |  |  | $ | (1.58) |  |  | $ | (5.08) |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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