Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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Discussion of whether the debt instrument is secured or unsecured, and, if secured, a description of the collateral and guarantees required or provided.

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Face (par) amount of debt instrument at time of issuance.

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Description of the frequency of periodic payments (monthly, quarterly, annual).

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Contractual interest rate for funds borrowed, under the debt agreement.

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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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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

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Long-Term Debt - Additional Information - Senior unsecured bonds (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2015	Feb. 28, 2015	Dec. 31, 2014	May. 31, 2014	Nov. 30, 2013	Sep. 30, 2013
Debt Instrument [Line Items]
Carrying amount of long-term debt	$ 7,480,374,000		$ 6,741,625,000
Teekay Offshore [Member] \| Logitel Offshore Holdings [Member] \| Guaranteed By Partnership And Subsidiaries [Member]
Debt Instrument [Line Items]
Debt instrument, principal amount	20,000,000
Debt instrument, carrying amount	$ 18,800,000
Teekay Offshore [Member] \| Senior Unsecured Bonds Mature in June 2024 [Member]
Debt Instrument [Line Items]
Debt instrument, principal amount		$ 30,000,000
Debt instrument interest rate	4.27%
Debt instrument collateral, description	The bonds are collateralized by a first-priority mortgage on the Dampier Spirit FSO unit to which the bonds relate, together with other related security and are guaranteed by two subsidiaries of Teekay Offshore.
Carrying amount of long-term debt	$ 27,100,000
Teekay Offshore [Member] \| Five-year senior unsecured bonds [Member]
Debt Instrument [Line Items]
Debt instrument, principal amount				$ 300,000,000
Debt instrument, carrying amount	$ 300,000,000
Debt instrument interest rate				6.00%
Teekay Offshore [Member] \| Ten-year senior unsecured bonds [Member]
Debt Instrument [Line Items]
Debt instrument, principal amount					$ 174,200,000	$ 174,200,000
Debt instrument interest rate					4.96%	4.96%
Debt instrument collateral, description	The bonds are collateralized by first-priority mortgages on the two vessels to which the bonds relate, together with other related security.
Debt instrument, carrying amount	$ 155,300,000
Frequency of periodic payments	Semi-annual repayments