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Capital Stock - Additional Information, Stock-based compensation of Subsidiaries (Details) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Number of common shares or units issued related to the exercise of share based compensation during the period |  |  |  |  | 100,000 | 200,000 | 1,800,000
Stock option per share value (dollars per share) |  |  |  |  | $ 9.44 | $ 43.99 | $ 56.76
Non-management directors [Member] | Teekay Offshore [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Number of common shares or units issued related to the exercise of share based compensation during the period |  |  |  |  | 76,084 | 14,603 | 9,482
Non-management directors [Member] | Teekay LNG [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Number of common shares or units issued related to the exercise of share based compensation during the period |  |  |  |  | 32,723 | 10,447 | 9,521
Non-management directors [Member] | Teekay Offshore Teekay Lng And Teekay Tankers [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Common units aggregate value, granted |  |  |  |  | $ 0.7 | $ 1.0 | $ 0.8
Phantom unit awards [Member] | Teekay Offshore [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Number of shares or units granted equity based compensation awards | 601,368 | 102,843 |  | 67,569 |  |  |
Phantom unit awards [Member] | Teekay LNG [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Number of shares or units granted equity based compensation awards | 132,582 | 32,054 |  | 31,961 |  |  |
Restricted stock units [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Number of shares or units granted equity based compensation awards |  |  |  |  | 238,609 | 63,912 | 81,388
Vesting period |  |  |  |  | 3 years |  |
Restricted stock and phantom share units [Member] | Teekay Offshore Teekay Lng And Teekay Tankers [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Common units aggregate value, granted | $ 4.9 | $ 4.2 |  | $ 5.7 |  |  |
Vesting period |  |  |  |  | 3 years |  |
Stock Option [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Stock options granted (in shares) |  |  |  |  | 916,015 | 265,135 | 15,243
Stock option, term |  |  |  |  | 10 years |  |
Vesting period |  |  |  |  | 3 years |  |
Stock Option [Member] | Officer [Member] | Teekay Tankers [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Stock options granted (in shares) | 216,043 | 58,434 | 110,829 |  |  |  |
Stock option per share value (dollars per share) | $ 3.74 | $ 5.39 | $ 4.25 |  |  |  |
Stock option, term | 10 years |  | 10 years |  |  |  |
Vesting period | 3 years |  | 3 years |  |  |  |
Stock Option [Member] | Non-management directors [Member] | Teekay Tankers [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Stock options granted (in shares) | 284,693 |  |  | 152,346 |  |  |
Stock option per share value (dollars per share) | $ 3.74 |  |  | $ 4.10 |  |  |
Stock option, term | 10 years | 10 years |  | 10 years |  |  |
Vesting period |  | 3 years |  |  |  |  |
Class A [Member] | Non-management directors [Member] | Teekay Tankers [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Number of common shares or units issued related to the exercise of share based compensation during the period |  |  |  |  | 9,358 | 51,948 | 17,073
Class A [Member] | Restricted stock units [Member] | Teekay Tankers [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Number of shares or units granted equity based compensation awards | 279,980 | 192,387 |  | 586,014 |  |  |

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