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Partners' Capital and Distributions - Noncontrolling Interest (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Noncontrolling Interest
Distributions paid	$ 431	$ 399	$ 1,304	$ 1,168
Noncontrolling Interests
Noncontrolling Interest
Distributions paid	110	113	339	310
Cash Distribution | Noncontrolling Interests | Consolidated Joint Venture Entities
Noncontrolling Interest
Distributions paid	110	113	339	310
Cash Distribution | Noncontrolling Interests | Permian JV
Noncontrolling Interest
Distributions paid	85	87	268	235
Cash Distribution | Noncontrolling Interests | Cactus II
Noncontrolling Interest
Distributions paid	21	20	59	56
Cash Distribution | Noncontrolling Interests | Red River
Noncontrolling Interest
Distributions paid	$ 4	$ 6	$ 12	$ 19

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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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- Definition

Total distributions to each class of partners (i.e., general, limited and preferred partners).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 5
-Subparagraph (SAB Topic 4.F)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-5

Reference 2: 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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