v3.5.0.2

Equity Equity, ATM Program (Details) - 2015 ATM Program - USD ($) $ in Millions			3 Months Ended	6 Months Ended
	Aug. 24, 2015	Aug. 06, 2015	Jun. 30, 2016	Jun. 30, 2016
Supplemental prospectus, filing date	Aug. 24, 2015
Registration Filing Date		Aug. 06, 2015
Common Units Aggregate Value	$ 750
Issuance of units			732,949	792,647
Equity offering, net of issuance costs			$ 36	$ 38

X

- Definition

Aggregate amount of equity authorized to be issued under a continuous offering program.

+ References

No definition available.

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Data Type:	xbrli:monetaryItemType
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X

- Definition

Date prospectus supplement was filed with the securities and exchange commission.

+ References

No definition available.

+ Details

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X

- Definition

Registration Filing Date

+ References

No definition available.

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X

- Definition

Monetary value of the issuance of new units of limited partnership interest in a public offering, net of offering costs. This is a parenthetical disclosure.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

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X

- Definition

Total units issued during the year due to the sale of units. All partners include general, limited and preferred partners.

+ 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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

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