Unaudited Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (86,304)	$ 215,236	$ (125,504)	$ 259,088
Other comprehensive (loss) income before reclassifications
Unrealized (loss) gain on marketable securities	(25)	(217)	10	(429)
Unrealized (loss) gain on qualifying cash flow hedging instruments	(12,547)	328	(38,193)	(644)
Pension adjustments, net of taxes	209	(96)	431	(188)
Foreign exchange (loss) gain on currency translation	(44)	(174)	87	(653)
Amounts reclassified from accumulated other comprehensive (loss) income to equity income:
Realized loss on qualifying cash flow hedging instruments	892	591	1,821	953
Other comprehensive (loss) income	(11,515)	432	(35,844)	(961)
Comprehensive (loss) income	(97,819)	215,668	(161,348)	258,127
Less: Comprehensive loss (income) attributable to non-controlling interests	16,947	(149,934)	23,914	(203,144)
Comprehensive (loss) income attributable to shareholders of Teekay Corporation	$ (80,872)	$ 65,734	$ (137,434)	$ 54,983

Other Comprehensive Income (Loss) Before Reclassifications [Abstract]

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Other comprehensive income reclassifications to equity income [Abstract]

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.

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The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount after tax, before reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement benefit plans.

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Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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