Represents the number of assets relating to a particular asset category used in an operating segment.

No definition available.

Name:	tllp_NumberOfAssets
Namespace Prefix:	tllp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The term of the agreement. Agreement could be a lease, debt, arrangement, services agreement or other arrangement.

+ References

No definition available.

+ Details

Name:	tllp_TermOfAgreement
Namespace Prefix:	tllp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of cash paid to acquire the entity.

+ References

+ Details

Name:	us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7659399&loc=d3e1392-128463

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 25

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=21917927&loc=d3e845-128460

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Acquisition Date

-URI http://asc.fasb.org/extlink&oid=6919109

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 25

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=21917927&loc=d3e848-128460

+ Details

Name:	us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 Emerging Issues Task Force (EITF)

-Number 99-12

-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.

+ Details

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

- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_BusinessAcquisitionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

This element represents the acquisition-date fair value of the total consideration transferred which consists of the sum of the acquisition-date fair values of the assets transferred by the acquirer, the liabilities incurred by the acquirer to former owners of the acquiree, and the equity interests issued by the acquirer.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph f

-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 Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 39, 40

-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 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 30

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 30

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479

+ Details

Name:	us-gaap_BusinessCombinationConsiderationTransferred
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The number of units or percentage investment held by one or more members or limited partners of the LLC or LP.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 272

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

+ Details

Name:	us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Acquisitions, Narrative (Details) (USD $) In Millions, except Share data, unless otherwise specified				12 Months Ended		0 Months Ended			12 Months Ended		0 Months Ended							12 Months Ended		0 Months Ended
	Dec. 31, 2012	Dec. 06, 2012 Common carrier products pipeline pipelines	Dec. 06, 2012 Jet fuel pipeline pipelines	Dec. 31, 2012 Martinez Marine Terminal Acquisition	Apr. 02, 2012 Martinez Marine Terminal Acquisition	Apr. 02, 2012 Martinez Marine Terminal Acquisition Common	Apr. 02, 2012 Martinez Marine Terminal Acquisition General Partner	Apr. 02, 2012 Martinez Marine Terminal Acquisition Single-berth dock dock	Dec. 31, 2012 Long Beach Assets Acquisition	Sep. 14, 2012 Long Beach Assets Acquisition	Sep. 14, 2012 Long Beach Assets Acquisition Common	Sep. 14, 2012 Long Beach Assets Acquisition General Partner	Sep. 14, 2012 Long Beach Assets Acquisition Storage tanks tanks	Sep. 14, 2012 Long Beach Assets Acquisition Two-vessel berth dock dock	Sep. 14, 2012 Long Beach Assets Acquisition Short-haul pipelines pipelines	Sep. 14, 2012 Long Beach Assets Acquisition Refined products pipelines from Wilmington Refinery pipelines	Sep. 14, 2012 Long Beach Assets Acquisition Pipeline leased to third party pipelines	Dec. 31, 2012 Anacortes Rail Facility Acquisition	Nov. 15, 2012 Anacortes Rail Facility Acquisition	Nov. 15, 2012 Anacortes Rail Facility Acquisition Anacortes Rail Facility land lease	Nov. 15, 2012 Anacortes Rail Facility Acquisition Common	Nov. 15, 2012 Anacortes Rail Facility Acquisition General Partner	Nov. 15, 2012 Anacortes Rail Facility Acquisition Tracks for unloading platform tracks	Nov. 15, 2012 Anacortes Rail Facility Acquisition Receiving and departing tracks tracks	Nov. 15, 2012 Anacortes Rail Facility Acquisition Cars in unit train unit_train_cars	Nov. 15, 2012 Anacortes Rail Facility Acquisition Additional short track spurs tracks
Acquisition
Effective date of Acquisition				Apr. 01, 2012					Sep. 14, 2012									Nov. 15, 2012
Total consideration					$ 75.0					$ 210.0									$ 180.0
Cash consideration	418.5				67.5					189.0									162.0
Equity consideration, value					$ 7.5					$ 21.0									$ 18.0
Equity consideration, number of units (units)						206,362	4,212				462,825	9,446									309,838	93,289
Limited partnership interest						1.00%					1.00%										1.00%
Number of assets (assets)		1	1					1					6	1	3	2	1						4	2	100	2
Term of agreement (years)																				99 years