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Net Loss Per Share (Tables) | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
Schedule of Income (Loss) Per Share |
| Year Ended December 31,
| 2021 $ |  | 2020 $ |  | 2019 $
Net income (loss) attributable to the shareholders of Teekay: |  |  |  |  |
- Continuing operations - basic and diluted | (102,671) |  |  | (129,749) |  |  | (372,561) |
- Discontinued operations - basic and diluted | 110,477 |  |  | 46,816 |  |  | 61,984 |
| 7,806 |  |  | (82,933) |  |  | (310,577) |
Weighted average number of common shares (1) | 102,148,629 |  |  | 101,053,095 |  |  | 100,719,224 |
Common stock and common stock equivalents | 102,148,629 |  |  | 101,053,095 |  |  | 100,719,224 |
Net income (loss) per common share |  |  |  |  |
- Continuing operations - basic and diluted | (1.01) |  |  | (1.28) |  |  | (3.70) |
- Discontinued operations - basic and diluted | 1.08 |  |  | 0.46 |  |  | 0.62 |
- Basic and diluted | 0.08 |  |  | (0.82) |  |  | (3.08) |

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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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