v3.5.0.2
Related-Party Transactions Alaska Asset Dropdown (Details)
bbl in Millions, $ in Millions
Jul. 20, 2016
Jul. 01, 2016
USD ($)
bbl
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