v3.3.1.900

Related-Party Transactions, Summary of Affiliate Transactions (Details) - USD ($) $ / shares in Units, $ in Millions |  | 12 Months Ended
--- | --- | ---
Jan. 20, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Subsequent Event |  |  |  |  |
Imbalance settlement gains |  |  | $ (8) | $ (17) | $ (8)
Revenues | [1] |  | 615 | 497 | 273
Operating and maintenance expenses |  |  | 118 | 95 | 81
Imbalance settlement gains and reimbursements from Tesoro | [2] |  | (42) | (43) | (12)
General and administrative expenses |  |  | 71 | 39 | 20
Reimbursements from Tesoro |  |  | 34 | 26 | 4
Quarterly cash distributions, including IDRs |  |  | $ 148 | $ 87 | $ 44
Quarterly cash distribution |  |  |  |  |
Subsequent Event |  |  |  |  |
Cash distributions paid per unit |  | $ 0.7800 |  |  |
Cash distribution to Tesoro |  | $ 50 |  |  |
Date of distribution |  | Feb. 12, 2016 |  |  |
[1] | All periods include the historical results of the Predecessors. See Notes 1 and 2 for further discussion.
[2] | 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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