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Net Loss Per Share - Schedule of Income (Loss) Per Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Earnings Per Share [Abstract]      
Net income (loss) attributable to the shareholders of Teekay Corporation $ 78,407 $ 7,806 $ (82,933)
Net Income (Loss) Attributable to Parent, Diluted $ 79,482 $ 7,806 $ (82,933)
Basic and Diluted (shares) 102,119,129 102,148,629 101,053,095
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities 1,810,599 0 0
Dilutive effect of stock-based compensation (shares) 485,869 0 0
Earnings Per Share, Basic and Diluted [Abstract]      
Net income (loss) attributable to the shareholders of Teekay Corporation, continuing operations $ 36,755 $ (102,671) $ (129,749)
Net Income (Loss) Attributable to Noncontrolling Interest (110,953) 11,174 (173,915)
Net income attributable to the shareholders of Teekay Corporation, discontinued operations $ 41,652 $ 110,477 $ 46,816
Common stock and common stock equivalents (shares) 104,415,597 102,148,629 101,053,095
•  Basic income (loss) from continuing operations attributable to shareholders of Teekay Corporation $ 0.36 $ (1.01) $ (1.28)
•  Diluted income (loss) $ 0.76 $ 0.08 $ (0.82)
Accretion add back due to If-converted method adoption $ 143 $ 0 $ 0
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Interest Expense, Subordinated Notes and Debentures $ 1,675 $ 0 $ 0
•  Basic income from discontinued operations attributable to shareholders of Teekay Corporation $ 0.41 $ 1.08 $ 0.46
Teekay Tankers      
Earnings Per Share [Abstract]      
Net income (loss) attributable to the shareholders of Teekay Corporation $ 56,231 $ (67,585) $ (18,138)
Earnings Per Share, Basic and Diluted [Abstract]      
Net Income (Loss) Attributable to Noncontrolling Interest (172,857) 174,787 (105,455)
dilutive impact of stock-based awards 743 0 0
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
dilutive impact of stock-based awards $ 743 $ 0 $ 0