The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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- Definition

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+ References

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Segment Reporting - Revenue and Income from Vessel Operations by Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	May 31, 2017	Aug. 31, 2014
Segment Reporting Information [Line Items]
Revenues	$ 500,781	$ 547,639	$ 1,558,209	$ 1,776,366
Income (Loss) from Vessel Operations	(189,846)	89,765	(59,955)	301,068
Eliminations and other
Segment Reporting Information [Line Items]
Revenues	(22,545)	(26,703)	(71,266)	(82,785)
Teekay Offshore \| Operating Segments
Segment Reporting Information [Line Items]
Revenues	255,781	286,298	796,711	877,470
Income (Loss) from Vessel Operations	40,384	61,739	147,060	174,309
Teekay LNG \| Operating Segments
Segment Reporting Information [Line Items]
Revenues	104,285	100,658	306,369	295,670
Income (Loss) from Vessel Operations	10,322	50,634	86,271	115,171
Teekay LNG \| Liquefied Gas Carriers \| Operating Segments
Segment Reporting Information [Line Items]
Revenues	92,700	87,260	271,078	250,342
Income (Loss) from Vessel Operations	44,902	48,009	128,281	130,682
Teekay LNG \| Conventional Tankers \| Operating Segments
Segment Reporting Information [Line Items]
Revenues	11,585	13,398	35,291	45,328
Income (Loss) from Vessel Operations	(34,580)	2,625	(42,010)	(15,511)
Teekay Tankers
Segment Reporting Information [Line Items]
Ownership percentage					50.00%
Initial ownership percentage						50.00%
Teekay Tankers \| Conventional Tankers \| Operating Segments
Segment Reporting Information [Line Items]
Revenues	91,238	109,554	330,512	427,349
Income (Loss) from Vessel Operations	(13,734)	(3,207)	(1,406)	86,565
Teekay Parent
Segment Reporting Information [Line Items]
Revenues	72,022	77,832	195,883	258,662
Income (Loss) from Vessel Operations	(226,818)	(19,401)	(291,880)	(74,977)
Teekay Parent \| Other
Segment Reporting Information [Line Items]
Revenues	19,727	17,258	47,149	60,698
Income (Loss) from Vessel Operations	216	(5,922)	(20,370)	(22,174)
Teekay Parent \| Offshore Production \| Operating Segments
Segment Reporting Information [Line Items]
Revenues	51,254	53,592	143,769	167,398
Income (Loss) from Vessel Operations	(223,957)	(13,116)	(262,986)	(39,159)
Teekay Parent \| Conventional Tankers \| Operating Segments
Segment Reporting Information [Line Items]
Revenues	1,041	6,982	4,965	30,566
Income (Loss) from Vessel Operations	$ (3,077)	$ (363)	$ (8,524)	$ (13,644)