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Commitments and Contingencies - Joint Ventures (Detail) - USD ($) | Dec. 31, 2019 | Dec. 11, 2017
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Long-term Purchase Commitment [Line Items] |  |
Equity method investment, ownership interest | 100.00% |
Minimum |  |
Long-term Purchase Commitment [Line Items] |  |
Equity method investment, ownership interest | 20.00% |
Maximum |  |
Long-term Purchase Commitment [Line Items] |  |
Equity method investment, ownership interest | 52.00% |
Yamal LNG Joint Venture |  |
Long-term Purchase Commitment [Line Items] |  |
Equity method investment, ownership interest | 50.00% |
Teekay LNG | Bahrain LNG Joint Venture |  |
Long-term Purchase Commitment [Line Items] |  |
Equity method investment, ownership interest | 30.00% |
Teekay LNG | Yamal LNG Joint Venture |  |
Long-term Purchase Commitment [Line Items] |  |
Equity method investment, ownership interest |  | 50.00%
Teekay LNG | Bahrain LNG Joint Venture |  |
Long-term Purchase Commitment [Line Items] |  |
Equity method investment, ownership interest | 30.00% |
Teekay LNG | Bahrain LNG Joint Venture | LNG receiving and regasification terminal |  |
Long-term Purchase Commitment [Line Items] |  |
Secured financing | $ 34,000,000 |
Undrawn amount | $ 10,000,000 |

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