Additional equity method ownership interest acquired in Merey Sweeny Limited Partnership.

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- Definition

The equity percentage held by other companies in investments in which the entity also holds an interest.

+ References

No definition available.

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- Definition

Amount of contribution obligation by co-venturer in a business venture.

+ References

No definition available.

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- Definition

Equity Method Investment, Maximum Borrowing Capacity

+ References

No definition available.

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- Definition

Number of joint ventures

+ References

No definition available.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35755396&loc=d3e33749-111570

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(e))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Investments, Loans and Long-Term Receivables (Narrative) (Details) $ in Millions	Jun. 30, 2016 USD ($) joint_venture	May 31, 2016 USD ($)	Aug. 31, 2009	Aug. 28, 2009	Aug. 27, 2009
Dakota Access LLC [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of ownership interest	25.00%
Loan agreement, maximum borrowing capacity		$ 2,256
Contribution obligation by co-venturer	$ 95
Equity Method Investments	$ 391
Energy Transfer Crude Oil Company, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of ownership interest	25.00%
Loan agreement, maximum borrowing capacity		$ 227
Contribution obligation by co-venturer	$ 12
Equity Method Investments	$ 129
Merey Sweeny [Member]
Schedule of Equity Method Investments [Line Items]
Additional ownership interest acquired			50.00%	50.00%
Petroleos De Venezuela S.A. (PDVSA) [Member] \| Merey Sweeny [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of equity interest of others					50.00%
Energy Transfer [Member]
Schedule of Equity Method Investments [Line Items]
Number of joint ventures \| joint_venture	2
Conocophillips [Member] \| Merey Sweeny [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of ownership interest					50.00%
Corporate Joint Venture [Member] \| Dakota Access LLC [Member]
Schedule of Equity Method Investments [Line Items]
Loans and leases receivable, related parties	$ 382
Corporate Joint Venture [Member] \| Energy Transfer Crude Oil Company, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Loans and leases receivable, related parties	$ 46