Amount of cash distribution paid to unit-holder of limited partnership (LP).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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=120397183&loc=d3e187085-122770

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- Definition

Per unit of ownership amount of cash distributions paid to unit-holder of a limited partnership (LP).

+ References

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- Definition

Amount of incentive obligation paid in cash or stock during the period to a limited liability corporation managing member or limited partnership general partner.

+ References

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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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Partners' Capital (Cash Distributions) (Details) - USD ($) $ / shares in Units, $ in Millions				3 Months Ended		6 Months Ended
	Aug. 19, 2020	May 19, 2020	Feb. 19, 2020	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Distribution Made To Managing Member Or General Partner [Line Items]
Per Unit Distribution (in dollars per share)		$ 0.8255	$ 0.8255
Total Cash Distribution		$ 69	$ 69			$ 176	$ 175
Distribution to IDR Holders		$ 18	$ 18	$ 17	$ 17	$ 35	$ 35
Subsequent Event [Member]
Distribution Made To Managing Member Or General Partner [Line Items]
Per Unit Distribution (in dollars per share)	$ 0.8255
Total Cash Distribution	$ 69
Distribution to IDR Holders	$ 18