Long-Term Debt - Additional Information - Other (Detail)	12 Months Ended
Dec. 31, 2016 USD ($) SecurityLoan	Dec. 31, 2015 USD ($)
Debt Instrument [Line Items]
Interest at a weighted-average fixed rate	4.00%	3.40%
Long term debt principal repayments in 2017	$ 1,000,000,000
Long term debt principal repayments in 2018	1,700,000,000
Long term debt principal repayments in 2019	1,000,000,000
Long term debt principal repayments in 2020	1,100,000,000
Long term debt principal repayments in 2021	900,000,000
Long term debt principal repayments thereafter	$ 1,000,000,000
Number of loan agreement \| SecurityLoan	11
Minimum level of free cash be maintained as per loan agreements	$ 50,000,000	$ 100,000,000
Asset restrictions	$ 209,000,000
Minimum [Member]
Debt Instrument [Line Items]
Vessel market value to loan ratio	116.60%
Vessel market value to loan minimum required ratio	105.00%
Revolving credit lines maturity period	6 months
Free liquidity and undrawn revolving credit line as percentage of debt	5.00%
Maximum [Member]
Debt Instrument [Line Items]
Vessel market value to loan ratio	433.20%
Vessel market value to loan minimum required ratio	125.00%
Teekay Tankers [Member]
Debt Instrument [Line Items]
Amount of free liquidity and undrawn revolving credit line	$ 46,700,000
Teekay Tankers [Member] \| Long-term Debt [Member]
Debt Instrument [Line Items]
Debt guaranteed	150,000,000
Teekay Offshore [Member]
Debt Instrument [Line Items]
Amount of free liquidity and undrawn revolving credit line	159,100,000
Teekay Offshore [Member] \| Long-term Debt [Member]
Debt Instrument [Line Items]
Debt guaranteed	364,000,000
Teekay Parent [Member]
Debt Instrument [Line Items]
Amount of free liquidity and undrawn revolving credit line	$ 63,800,000

Amount of free liquidity and undrawn revolving credit line.

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- Definition

The amount guaranteed by the Company.

+ References

No definition available.

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- Definition

Free liquidity and undrawn revolving credit line as percentage of debt.

+ References

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- Definition

Minimum level of free cash maintained per loan agreements.

+ References

No definition available.

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- Definition

Number Of Loan Agreements

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No definition available.

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- Definition

Undrawn Revolving Credit Facilities Time To Maturity

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No definition available.

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- Definition

Vessel Market Value To Loan Ratio

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No definition available.

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- Definition

Vessel Market Value to Loan Required Ratio

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No definition available.

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- Definition

Amount of restricted net assets of consolidated and unconsolidated subsidiaries as of the end of the most recently completed fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(e)(3)(ii))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04.(a))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04.(a))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Weighted average interest rate of long-term debt outstanding.

+ References

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