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Derivative, Brokerage Fee, Percent

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Derivative, Term of Contract Extension, Counterparty Option

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Number Of Tranches

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Exercise price per share or per unit of warrants or rights outstanding.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instruments must exceed threshold percentage for a specified number of trading days to trigger conversion feature, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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The cap rate on a price risk derivative such as a cap or collar. A payment or receipt is triggered if the market rate exceeds the cap rate on the contract.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Carrying amount as of the balance sheet date of the assets arising from derivative contracts and hedging activities, which are expected to be converted into cash or otherwise disposed of after a year or beyond the normal operating cycle, if longer.

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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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The percentage of expected requirements covered by the aggregate notional amount of derivative contracts expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract as a percentage of expected need.

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Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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This element represents the aggregate cost of investments accounted for under the equity method of accounting.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Sum of the amount of expected guaranteed benefits in excess of the projected account balances for minimum guaranteed benefit contracts, as of the balance sheet date, net of reinsurance recoverables, for all guaranteed benefit types.

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The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.

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The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element.

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Derivative Instruments and Hedging Activities - Additional Information (Detail)		1 Months Ended	12 Months Ended
	Jun. 01, 2016 USD ($) vessel	Jan. 31, 2014 USD ($) $ / shares NOK / Derivative shares	Dec. 31, 2016 USD ($) tranche	Dec. 31, 2015 USD ($)	Jan. 31, 2014 NOK / shares
Derivative [Line Items]
Equity method investment, ownership interest			100.00%	17.62%
Time-charter Swap [Member]
Derivative [Line Items]
Term of contract	11 months
Term of contract extension	2 months
Interest Rate Swaps, Cross Currency Swaps Agreement and Foreign Currency Forward Contracts [Member]
Derivative [Line Items]
Fair value liability of interest rate swaps, cross currency swaps and foreign currency forward contracts having master agreements providing for net settlement			$ 398,700,000	$ 588,100,000
Fair value asset of interest rate swaps, cross currency swaps and foreign currency forward contracts having master agreements providing for net settlement			7,200,000	0
Restricted cash			68,000,000	105,300,000
Interest Rate Swap Agreements [Member]
Derivative [Line Items]
Loss reclassified from accumulated OCI into earnings			$ 700,000
Maximum [Member]
Derivative [Line Items]
Equity method investment, ownership interest			52.00%
Minimum [Member]
Derivative [Line Items]
Equity method investment, ownership interest			18.00%
Teekay Offshore [Member] \| Interest Rate Swaps And Cross Currency Swaps Agreement [Member]
Derivative [Line Items]
Guaranteed obligations			$ 387,000,000
Fair value liability of interest rate swaps, cross currency swaps and foreign currency forward contracts having master agreements providing for net settlement			$ 241,300,000
Teekay Tankers [Member] \| Time-charter Swap [Member]
Derivative [Line Items]
Percent of required need	55.00%
Number of vessel-equivalents in swap agreement \| vessel	2
Daily payments received	$ 27,776
Brokerage fee percentage	1.25%
Deduction from daily payments made	$ 500
Teekay Tankers [Member] \| Tanker Investments Limited [Member]
Derivative [Line Items]
Purchase of common stock (in shares) \| shares		5,000,000
Equity method investment, ownership interest			20.00%
Issuance of equity private placement			$ 250,000,000
Equity method investment			$ 50,000,000
Teekay Tankers [Member] \| Tanker Investments Limited [Member] \| Warrant [Member]
Derivative [Line Items]
Fixed price of stock purchase warrants, per share \| (per share)		$ 10.00			NOK 61.67
Number of tranches \| tranche			4
Number of tranches vested \| tranche			2
Consecutive trading days		10 days
Teekay Tankers [Member] \| Tanker Investments Limited [Member] \| Warrant [Member] \| Derivatives Not Designated as a Cash Flow Hedge [Member]
Derivative [Line Items]
Derivatives not designated as a cash flow hedge		$ 6,800,000	$ 600,000
Teekay Tankers [Member] \| Tanker Investments Limited [Member] \| Maximum [Member] \| Warrant [Member]
Derivative [Line Items]
Number of shares available through exercise of stock purchase warrant \| shares		1,500,000
Teekay Tankers [Member] \| Tanker Investments Limited [Member] \| Minimum [Member] \| Warrant [Member] \| Tranche One [Member]
Derivative [Line Items]
Fair market value of the shares \| NOK / Derivative		77.08
Teekay Tankers [Member] \| Tanker Investments Limited [Member] \| Minimum [Member] \| Warrant [Member] \| Tranche Two [Member]
Derivative [Line Items]
Fair market value of the shares \| NOK / Derivative		92.50
Teekay Tankers [Member] \| Tanker Investments Limited [Member] \| Minimum [Member] \| Warrant [Member] \| Tranche Three [Member]
Derivative [Line Items]
Fair market value of the shares \| NOK / Derivative		107.91
Teekay Tankers [Member] \| Tanker Investments Limited [Member] \| Minimum [Member] \| Warrant [Member] \| Tranche Four [Member]
Derivative [Line Items]
Fair market value of the shares \| NOK / Derivative		123.33
Reported Value Measurement [Member] \| Recurring [Member] \| Level 3 [Member] \| Time-charter Swap [Member]
Derivative [Line Items]
Time-charter swap agreement			208,000	0
Reported Value Measurement [Member] \| Recurring [Member] \| Level 3 [Member] \| Warrant [Member] \| Derivatives Not Designated as a Cash Flow Hedge [Member]
Derivative [Line Items]
Derivatives not designated as a cash flow hedge			$ 575,000	$ 10,328,000