XML 46 R50.htm IDEA: XBRL DOCUMENT v2.4.0.6

Segment Reporting (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Ras Laffan Liquefied Natural Gas Company Ltd. [Member]
Revenues and percentage of consolidated voyage revenues from customers
Voyage revenues from major customers	$ 68.8	$ 68.7	$ 68.7
Percentage of Voyage revenues from major customers	18.00%	18.00%	20.00%
Repsol YPF, S.A. [Member]
Revenues and percentage of consolidated voyage revenues from customers
Voyage revenues from major customers	53.9	51.9	51.5
Percentage of Voyage revenues from major customers	14.00%	14.00%	15.00%
Compania Espanola de Petroleos [Member]
Revenues and percentage of consolidated voyage revenues from customers
Voyage revenues from major customers	44.4	44.0	44.5
Percentage of Voyage revenues from major customers	12.00%	12.00%	13.00%
The Tangguh Production Sharing Contractors [Member]
Revenues and percentage of consolidated voyage revenues from customers
Voyage revenues from major customers	43.7	44.0
Percentage of Voyage revenues from major customers	12.00%	11.00%
Percentage of Voyage revenues from major customers			less than 10%
Teekay Corporation [Member]
Revenues and percentage of consolidated voyage revenues from customers
Voyage revenues from major customers		$ 36.5	$ 38.9
Percentage of Voyage revenues from major customers		10.00%	11.00%
Percentage of Voyage revenues from major customers	less than 10%

X

- Definition

Entity wide revenue major customer percentage one.

+ References

No definition available.

+ Details

Name:	tgp_EntityWideRevenueMajorCustomerPercentageOne
Namespace Prefix:	tgp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Entity wide revenue major customers percentage.

+ References

No definition available.

+ Details

Name:	tgp_EntityWideRevenueMajorCustomersPercentage
Namespace Prefix:	tgp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	tgp_RevenuesAndPercentageOfConsolidatedVoyageRevenuesFromCustomersAbstract
Namespace Prefix:	tgp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 39

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 42

-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9054-108599

+ Details

Name:	us-gaap_EntityWideRevenueMajorCustomerAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration