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Financial Instruments Narrative (Detail) - $ / shares | May 08, 2019 | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Derivative [Line Items] |  |  |
Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest | 49.00% |  |
Common stock, par value (in usd per share) |  | $ 0.001 | $ 0.001
Teekay Offshore [Member] | Stock purchase warrants | Brookfield Business Partners L.P. [Member] |  |  |
Derivative [Line Items] |  |  |
Number of shares available through exercise of stock purchase warrant (in shares) | 15,500,000 |  |
Teekay Offshore [Member] | Series D Warrant |  |  |
Derivative [Line Items] |  |  |
Number of shares available through exercise of stock purchase warrant (in shares) | 1,755,000 |  |

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- Definition Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055 + Details
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