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Commitments and Contingencies - Additional Information (Detail) | 12 Months Ended |  | 12 Months Ended |  |  | 12 Months Ended |  | 12 Months Ended | 1 Months Ended | 12 Months Ended |  | 12 Months Ended |  |  | 12 Months Ended |  | 12 Months Ended |  | 1 Months Ended |
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Dec. 31, 2012 USD ($) | Dec. 31, 2010 USD ($) | Dec. 31, 2011 | Dec. 31, 2012 Voyageur Spirit [Member] USD ($) | Dec. 31, 2012 Vessels [Member] USD ($) | Dec. 31, 2012 Insurance Claims [Member] USD ($) | Nov. 30, 2011 Minimum [Member] Voyageur Spirit [Member] USD ($) | Nov. 30, 2011 Maximum [Member] Voyageur Spirit [Member] USD ($) | Dec. 31, 2012 Letter of Credit [Member] Vessel | Dec. 31, 2012 RasGas II LNG Carriers [Member] | Dec. 31, 2012 RasGas II LNG Carriers [Member] Letter of Credit [Member] USD ($) | Sep. 30, 2010 Wah Kwong [Member] | Dec. 31, 2012 Shuttle tankers [Member] Vessel | Dec. 31, 2012 FPSO [Member] Vessel | Dec. 31, 2012 LNG carriers [Member] Vessel | Nov. 30, 2012 Teekay Offshore [Member] USD ($) | Dec. 31, 2012 Teekay Offshore [Member] USD ($) | Dec. 31, 2012 Teekay Offshore [Member] NOK | Dec. 31, 2010 Teekay Offshore [Member] USD ($) | Dec. 31, 2011 Teekay Offshore [Member] USD ($) | Dec. 31, 2011 Teekay Offshore [Member] NOK | Dec. 31, 2012 Teekay Offshore [Member] Voyageur Spirit [Member] USD ($) | Dec. 31, 2012 Teekay Tankers [Member] USD ($) | Dec. 31, 2011 Teekay Tankers [Member] | Sep. 30, 2010 Teekay Tankers [Member] | Dec. 31, 2012 Teekay Tankers [Member] Wah Kwong [Member] USD ($) Installment | Sep. 30, 2010 Teekay Tankers [Member] Wah Kwong [Member] USD ($) | Sep. 30, 2010 Teekay Tankers [Member] VLCC [Member] USD ($) | Sep. 30, 2010 Teekay Tankers [Member] VLCC [Member] Wah Kwong [Member] USD ($) | Dec. 31, 2012 Voyageur Spirit [Member] USD ($) | Dec. 31, 2012 Voyageur Spirit [Member] Minimum [Member] USD ($) | Dec. 31, 2012 Voyageur Spirit [Member] Maximum [Member] USD ($) | Feb. 28, 2012 Teekay LNG [Member] Carriers | Dec. 31, 2012 Teekay LNG [Member] RasGas II LNG Carriers [Member] USD ($) | Dec. 31, 2012 Teekay LNG [Member] RasGas II LNG Carriers [Member] Letter of Credit [Member] USD ($)
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of vessels |  |  |  |  |  |  |  |  | 3 |  |  |  | 4 | 1 | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 |  |
Estimated purchase price |  |  |  |  | $ 1,800,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 49,000,000 | $ 98,000,000 |  |  |  |  |  |
Payment made towards commitments for construction of certain carriers and tankers |  |  |  |  | 686,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capitalized interest and other miscellaneous construction costs |  |  |  |  | 26,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Remaining payments required to be made under new building contract in 2013 |  |  |  |  | 379,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 53,900,000 |  |  |  |  |  |  |  |
Remaining payments required to be made under new building contract in 2014 |  |  |  |  | 361,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Remaining payments required to be made under new building contract in 2015 |  |  |  |  | 57,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Remaining payments required to be made under new building contract in 2016 |  |  |  |  | 270,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership in joint venture arrangement |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% | 50.00% |  |  |  |  |  |  |  |  |
Portion in future payments to be made by joint venture towards commitment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 68,600,000 |  |  |  |  |  |  |  |  |
Due from joint venture |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,800,000 |  |  |  |  |  |  |  |  |  |  |  |
Number of Quarterly installments loans payable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 32 |  |  |  |  |  |  |  |  |
Quarterly installments amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,400,000 |  |  |  |  |  |  |  |  |
Balloon payment on maturity of loan | 442,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 22,600,000 |  |  |  |  |  |  |  |  |
Investment by partner on equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,200,000 |  |  |  |  |  |  |  |  |  |  |  |
Loan amount drawn |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 19,600,000 |  |  |  |  |  |  |  |  |
Percentage of debt secured guaranteed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |  |  |  |  |
Charter period | five years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price of acquisition |  |  |  |  |  |  | 140,000,000 | 150,000,000 |  |  |  |  |  |  |  | 55,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 140,000,000 | 150,000,000 |  |  |
Payments made for the acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 129,600,000 |  |  |  |  |
Remaining payments required |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,000,000 | 20,000,000 |  |  |
Prepayments for acquisition |  |  |  | 92,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agreement to sell business |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 540,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Period of charter contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cost of acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 49.90% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Claim sought for damages |  |  |  |  |  |  |  |  |  |  | 12,000,000 |  |  |  |  |  | 38,300,000 | 213,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Liability recognized in legal proceedings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13,900,000 | 76,000,000 |  | 13,900,000 | 76,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term of capital leases |  |  |  |  |  |  |  |  |  | 30 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated shares of lease rental increase claim |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 29,000,000 | 10,000,000
Share of potential exposure |  |  |  |  |  |  |  |  |  | 70.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Recovery from deductible insurance coverage |  |  |  |  |  | 750,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum recovery of capital lease | 90,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Value of shuttle tanker contributed by unrelated party in exchange of equity interest in subsidiary |  | $ 35,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 35,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of Joint venture interests |  |  | 49.00% |  |  |  |  |  |  |  |  |  |  |  |  |  | 29.40% | 29.40% | 67.00% | 33.00% | 33.00% |  | 25.10% | 26.00% |  |  |  |  |  |  |  |  |  |  |
Additional interest acquired by subsidiary |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 33.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of noncontrolling interest owner's interest |  | 33.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 33.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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