v3.5.0.2

Related-Party Transactions Alaska Asset Dropdown (Details) bbl in Millions, $ in Millions | Jul. 20, 2016 | Jul. 01, 2016 USD ($) bbl
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Alaska Logistics Assets [Domain] |  |
Business Combination, Consideration Transferred |  | $ 444
Phase One [Member] | Alaska Logistics Assets [Domain] |  |
Business Combination, Consideration Transferred |  | $ 266
Capacity ratio | bbl |  | 3.5
Payments to Acquire Businesses, Gross |  | $ 239
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned |  | 27
Phase Two [Member] | Alaska Logistics Assets [Domain] |  |
Business Combination, Consideration Transferred |  | 178
Payments to Acquire Businesses, Gross |  | 160
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned |  | $ 18
Subsequent Event |  |
Distribution Made to Limited Partner, Declaration Date | Jul. 20, 2016 |

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