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Partners' Capital and Distributions - Noncontrolling Interest in Subsidiaries (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Noncontrolling Interest
Distributions paid	$ 336	$ 274	$ 982	$ 775
Permian JV
Noncontrolling Interest
Noncontrolling interests in subsidiaries (as a percent)	35.00%		35.00%
Cactus II
Noncontrolling Interest
Noncontrolling interests in subsidiaries (as a percent)	30.00%		30.00%
Red River
Noncontrolling Interest
Noncontrolling interests in subsidiaries (as a percent)	33.00%		33.00%
Noncontrolling Interests
Noncontrolling Interest
Distributions paid	$ 86	73	$ 237	194
Noncontrolling Interests | Cash Distribution | Consolidated Joint Venture Entities
Noncontrolling Interest
Distributions paid	86	73	237	194
Permian JV | Noncontrolling Interests | Cash Distribution
Noncontrolling Interest
Distributions paid	67	68	178	179
Cactus II | Noncontrolling Interests | Cash Distribution
Noncontrolling Interest
Distributions paid	14		43
Red River | Noncontrolling Interests | Cash Distribution
Noncontrolling Interest
Distributions paid	$ 5	$ 5	$ 16	$ 15

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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

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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
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