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Related-Party Transactions (Tables) | 12 Months Ended
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Dec. 31, 2015
Related Party Transactions [Abstract] |
Commercial arrangements | These commercial agreements with Tesoro include:
| Initiation Date |  | Term |  | Renewals |  | Termination Provisions
|  |  | Refinery Shutdown Notice Period (a) |  | Force Majeure
Transportation Services Agreement (High Plains System) | April 2011 |  | 10 years |  | 2 x 5 years |  | 12 months |  | TLLP can declare (unilateral)
Second Amended and Restated Trucking Transportation Services Agreement (High Plains System) | April 2011 |  | 5 years |  | 1 x 5 years |
Second Amended and Restated Master Terminalling Services Agreement | April 2011 |  | 10 years |  | 2 x 5 years |
Amended Salt Lake City Storage and Transportation Services Agreement | April 2011 |  | 10 years |  | 2 x 5 years |
Amorco Terminal Use and Throughput Agreement (Martinez Marine) | April 2012 |  | 10 years |  | 2 x 5 years |
Amended Anacortes Track Use and Throughput Agreement | November 2012 |  | 10 years |  | 2 x 5 years |  | N/A |
Carson Storage Services Agreement | June 2013 |  | 10 years |  | 2 x 5 years |  |
Amended and Restated Master Terminalling Services Agreement - Southern California | June 2013 |  | 10 years |  | 2 x 5 years |  |
Long Beach Storage Services Agreement | December 2013 |  | 10 years |  | 2 x 5 years |  |
Amended Transportation Services Agreement (SoCal Pipelines) | December 2013 |  | 10 years |  | 2 x 5 years |  |
Carson Coke Handling Services Agreement | December 2013 |  | 10 years |  | 2 x 5 years |  |
Amended and Restated Long Beach Berth Access Use and Throughput Agreement (b) | December 2013 |  | 10 years |  | 2 x 5 years |  |
Long Beach Berth Throughput Agreement (b) | December 2013 |  | 10 years |  | 2 x 5 years |  |
Long Beach Pipeline Throughput Agreement | December 2013 |  | 10 years |  | 2 x 5 years |  |
Terminalling Services Agreement - Nikiski | July 2014 |  | 10 years |  | 2 x 5 years |  |
Terminalling Services Agreement - Anacortes | July 2014 |  | 10 years |  | 2 x 5 years |  |
Terminalling Services Agreement - Martinez | July 2014 |  | 10 years |  | 2 x 5 years |  |
Storage Services Agreement - Anacortes | July 2014 |  | 10 years |  | 2 x 5 years |  |
Martinez Dedicated LPG Storage Agreement | July 2014 |  | 10 years |  | 2 x 5 years |  |
Tesoro Alaska Pipeline Throughput Agreement | September 2014 |  | 10 years |  | 2 x 5 years |  |
Carson II Storage Services Agreement | November 2015 |  | 10 years |  | 2 x 5 years |  |
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(a) | Fixed minimum volumes remain in effect during routine turnarounds.
(b) | Agreement gives Tesoro the option to renew for two five-year terms, or Tesoro may modify the term of the agreements to a twenty-year term by providing notice in accordance with each agreement.
Schedule of Related Party Transactions | A summary of revenue and expense transactions with Tesoro, including expenses directly charged and allocated to our Predecessors, are as follows (in millions):
| Years Ended December 31,
| 2015 |  | 2014 |  | 2013
Revenues | $ | 615 |  |  | $ | 497 |  |  | $ | 273 |
Operating and maintenance expenses | 118 |  |  | 95 |  |  | 81 |
Imbalance settlement gains, net and reimbursements from Tesoro (a) | (42 | ) |  | (43 | ) |  | (12 | )
General and administrative expenses | 71 |  |  | 39 |  |  | 20 |
_______________
(a) | Includes net imbalance settlement gains of $8 million, $17 million and $8 million in the years ended December 31, 2015, 2014 and 2013, respectively. Also includes reimbursements primarily related to pressure testing and repairs and maintenance costs pursuant to the Amended Omnibus Agreement and the Carson Assets Indemnity Agreement of $34 million, $26 million and $4 million in the years ended December 31, 2015, 2014 and 2013, respectively.

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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
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