Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20, 22
-Article 5

Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Long-Term Debt - Additional Information - Term Loans (Detail) $ in Thousands, € in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2016 USD ($) Term_loan Vessel	Dec. 31, 2015 USD ($)	Jun. 30, 2016 EUR (€)	Dec. 31, 2015 EUR (€)
Debt Instrument [Line Items]
Carrying amount of long-term debt \| $	$ 7,000,637	$ 7,384,086
Teekay LNG [Member] \| Euro-denominated Term Loans due through 2023 [Member]
Debt Instrument [Line Items]
Number of debt instruments \| Term_loan	2
Carrying amount of long-term debt	$ 239,800	$ 241,800	€ 215.9	€ 222.7
Number of vessels \| Vessel	2
Teekay LNG [Member] \| Minimum [Member] \| Euro-denominated Term Loans due through 2023 [Member] \| One-month EURIBOR [Member]
Debt Instrument [Line Items]
Debt instrument spread on variable rate	0.60%	0.60%
Teekay LNG [Member] \| Maximum [Member] \| Euro-denominated Term Loans due through 2023 [Member] \| One-month EURIBOR [Member]
Debt Instrument [Line Items]
Debt instrument spread on variable rate	2.25%	2.25%