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Partners' Capital (Cash Distributions) (Details) - USD ($) $ / shares in Units, $ in Millions														12 Months Ended
	Feb. 19, 2025	Nov. 19, 2024	Aug. 19, 2024	May 20, 2024	Feb. 20, 2024	Nov. 20, 2023	Aug. 22, 2023	May 22, 2023	Feb. 21, 2023	Nov. 18, 2022	Aug. 19, 2022	May 19, 2022	Feb. 18, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Distribution Made To Limited Partner [Line Items]
Per Unit Distribution (in dollars per unit)		$ 0.8756	$ 0.8756	$ 0.8756	$ 0.8420	$ 0.8420	$ 0.8420	$ 0.8420	$ 0.8255	$ 0.8255	$ 0.8255	$ 0.8255	$ 0.8255
Cash distributions to unitholders, including incentive distributions		$ 119	$ 119	$ 119	$ 71	$ 71	$ 71	$ 71	$ 69	$ 69	$ 69	$ 69	$ 69	$ 566	$ 371	$ 359
Subsequent Event [Member]
Distribution Made To Limited Partner [Line Items]
Per Unit Distribution (in dollars per unit)	$ 0.8865
Cash distributions to unitholders, including incentive distributions	$ 121
General Partner [Member]
Distribution Made To Limited Partner [Line Items]
Cash distributions to unitholders, including incentive distributions		$ 36	$ 36	$ 36	$ 19	$ 19	$ 19	$ 19	$ 18	$ 18	$ 18	$ 18	$ 18
General Partner [Member] | Subsequent Event [Member]
Distribution Made To Limited Partner [Line Items]
Cash distributions to unitholders, including incentive distributions	$ 37

X

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
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+ References

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