v3.5.0.2

Related-Party Transactions Alaska Asset Dropdown (Details) bbl in Millions, $ in Millions			6 Months Ended
	Jul. 20, 2016	Jul. 01, 2016 USD ($) bbl	Jun. 30, 2016
Distribution Made to Limited Partner, Declaration Date			Oct. 18, 2016
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		$ 240
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned		26
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

X

- Definition

Capacity Ratio: The maximum amount of barrels or other product that can be stored in a tank, distributed through a pipeline or produced/processed through other business operations expressed as a ratio.

+ References

No definition available.

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- Definition

Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(4)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

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-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
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-Section 30
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- Definition

Date of declaration for distribution of cash or unit to limited partner of limited partnership (LP), in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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-Paragraph 3
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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

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