v3.5.0.2
Related-Party Transactions, Summary of Affiliate Transactions (Details) - USD ($)
$ in Millions
 3 Months Ended
May 13, 2016
Sep. 30, 2016
 [3]
Mar. 31, 2016
Dec. 31, 2015
Jun. 30, 2015
Mar. 31, 2015
Related Party Transactions            
Cost of Reimbursable Expense     $ 6     $ 6
Distribution Made to Limited Partner, Distribution Date       Feb. 12, 2016 Aug. 12, 2016  
Revenues [1]     169     148
Operating and maintenance expenses     38     30
Imbalance settlement gains and reimbursements from Tesoro [2]     7     8
General and administrative expenses     $ 17     $ 17
Subsequent Event            
Related Party Transactions            
Distribution Made to Limited Partner, Distribution Date May 13, 2016 Nov. 14, 2016        
[1] Tesoro accounted for 56% of our total revenues for both the three months ended March 31, 2016 and 2015.
[2] Includes imbalance settlement gains of $1 million and $2 million for the three months ended March 31, 2016 and 2015, respectively. Also includes reimbursements from Tesoro pursuant predominantly to the Amended Omnibus Agreement and the Carson Assets Indemnity Agreement of $6 million for both the three months ended March 31, 2016 and 2015.
[3] This distribution was declared on October 18, 2016 and will be paid on the date of distribution.