v3.5.0.2

Equity Equity, ATM Program (Details) - 2015 ATM Program - USD ($) $ in Millions			3 Months Ended
	Aug. 21, 2015	Aug. 06, 2015	Mar. 31, 2016
Supplemental prospectus, filing date	Aug. 24, 2015
Registration Filing Date		Aug. 06, 2015
Common Units Aggregate Value	$ 750
Partners' Capital Account, Units, Sale of Units			1,492,637
Equity offering, net of issuance costs			$ 72

X

- Definition

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

+ References

No definition available.

+ Details

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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.

+ Details

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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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