Number of terminals

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Number of terminals contributed to equity investment

+ References

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Number of terminals wholly owned

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The proportionate share of interest (percent) in a jointly owned utility plant.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 980
-SubTopic 360
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 10.C)
-URI http://asc.fasb.org/extlink&oid=6500719&loc=d3e659983-123033

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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
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

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Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585

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Acquisitions and Divestitures (1) BP Products North America Inc. (BP) Terminal Assets (Details) $ in Millions		12 Months Ended
	Feb. 01, 2016 USD ($) Terminals	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($) Terminals	Dec. 31, 2015 USD ($)
Business Acquisition [Line Items]
Proceeds from noncontrolling interests \| $		$ 12	$ 117	$ 11
BP Terminal Assets [Member]
Business Acquisition [Line Items]
Number of terminals	15
Payments to Acquire Businesses, Gross \| $	$ 349
Number of terminals wholly owned	1
New Joint Venture with BP [Member] \| BP Terminal Assets [Member]
Business Acquisition [Line Items]
Jointly Owned Utility Plant, Proportionate Ownership Share	75.00%
Number of terminals contributed to equity investment	14
BP [Member] \| New Joint Venture with BP [Member] \| BP Terminal Assets [Member]
Business Acquisition [Line Items]
Jointly Owned Utility Plant, Proportionate Ownership Share	25.00%
Proceeds from noncontrolling interests \| $			$ 84
Terminals
Business Acquisition [Line Items]
Number of terminals			20
Terminals \| New Joint Venture with BP [Member] \| BP Terminal Assets [Member]
Business Acquisition [Line Items]
Number of terminals	10
Products Pipelines \| New Joint Venture with BP [Member] \| BP Terminal Assets [Member]
Business Acquisition [Line Items]
Number of terminals	5