Redeemable Noncontrolling Interests (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Redeemable noncontrolling interests	$ 256	$ 250
Noncontrolling interest holders in a Partnership consolidated subsidiary
Redeemable noncontrolling interests	31	25
Crestwood Niobra Preferred Units
Redeemable noncontrolling interests	$ 225	$ 225

Amount of noncontrolling interests which are redeemable by the parent entity, classified as other equity.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 480
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479857/480-10-S50-3

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 480
-SubTopic 10
-Name Accounting Standards Codification
-Section S45
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479887/480-10-S45-3

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 480
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3A
-Subparagraph (24)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480244/480-10-S99-3A

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant