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Summary of Significant Accounting Policies - Basis of Presentation (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 $ / shares | Dec. 31, 2020 vessel | Dec. 31, 2019 vessel | May 11, 2020
FPSO | Offshore Production |  |  |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |  |  |
Number Of Vessels Impaired |  | 2 | 2 |
Teekay Tankers |  |  |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent | 29.80% | 28.60% |  |
Seapeak |  |  |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent | 42.40% | 42.40% |  | 42.00%
General Partner of Seapeak |  |  |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent | 100.00% |  |  |
Teekay Tankers |  |  |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |  |  |
Common Stock, Voting Rights, Votes Per Share Owned | $ / shares | $ 5 |  |  |
Teekay Parent [Member] | FPSO |  |  |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |  |  |
Number Of Vessels Impaired |  | 1 |  |
Teekay Parent [Member] | FPSO | FPSO |  |  |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |  |  |
Number Of Vessels Impaired |  | 2 | 2 |
Common Class B | Teekay Tankers |  |  |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |  |  |
Common Stock Maximum Voting Power | 49.00% |  |  |

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