v3.5.0.2

Note 2 - Acquisitions Predecessor expenses (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Changes to Balance Sheet due to Predecessor | $ 17 |  |
Other Expense [Member] |  |  |
Changes to Income Statement due to Predecessor | 1 |  | $ 2
Operating Expense [Member] |  |  |
Changes to Income Statement due to Predecessor | $ 4 | $ 5 | $ 4

X
- Definition Changes to Balance Sheet due to Predecessor + References No definition available. + Details
Name: | tllp_ChangestoBalanceSheetduetoPredecessor
Namespace Prefix: | tllp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Changes to Income Statement due to Predecessor + References No definition available. + Details
Name: | tllp_ChangestoIncomeStatementduetoPredecessor
Namespace Prefix: | tllp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_OtherExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_OperatingExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |